Publications:  Prof Daniel Sifrim

Lorentzen J, Medhus AW, Hertel JK, Borgeraas H, Karlsen T-I, Kolotkin RL, Sandbu R, Sifrim D et al.(2020). Erosive Esophagitis and Symptoms of Gastroesophageal Reflux Disease in Patients with Morbid Obesity with and without Type 2 Diabetes: a Cross-sectional Study. Obes Surg vol. 30, (7) 2667-2675.

Sifrim D, Gyawali CP(2020). Prolonged Wireless pH Monitoring or 24-Hour Catheter-Based pH Impedance Monitoring: Who, When, and Why?. Am J Gastroenterol

Hoshikawa Y, Fitzke H, Sweis R, Fikree A, Saverymuttu S, Kadirkamanathan S, Iwakiri K, Yazaki E et al.(2020). Rumination syndrome: Assessment of vagal tone during and after meals and during diaphragmatic breathing. Neurogastroenterol Motil

Sales TMAL, Nicolau LAD, Rodrigues RLM, Nascimento RR, Paula SM, da Costa-Filho HB, Bezerra FF, Santos GRC et al.(2020). Polysaccharide from Gracilaria caudata protects the human esophageal mucosal barrier: A differential topical effect and structural dependence. International Journal of Biological Macromolecules vol. 150, 354-361.

Hoshikawa Y, Sawada A, Sonmez S, Nikaki K, Woodland P, Yazaki E, Sifrim D(2020). Measurement of Esophageal Nocturnal Baseline Impedance: A Simplified Method. J Neurogastroenterol Motil vol. 26, (2) 241-247.

Sawada A, Guzman M, Nikaki K, Sonmez S, Yazaki E, Aziz Q, Woodland P, Rogers B et al.(2020). Identification of Different Phenotypes of Esophageal Reflux Hypersensitivity and Implications for Treatment. Clin Gastroenterol Hepatol

Figueiredo AA, Sales TMAL, Nicolau LAD, Nunes AAA, Costa-Filho HB, Moreira RLR, Nascimento RR, Sousa MKA et al.(2020). Laryngeal Mucosa Alterations in Mice Model of Gastroesophageal Reflux: Effects of Topical Protection. Laryngoscope

Nakagawa K, Hara K, Fikree A, Siddiqi S, Woodland P, Masamune A, Aziz Q, Sifrim D et al.(2020). Patients with dyspepsia have impaired mucosal integrity both in the duodenum and jejunum: in vivo assessment of small bowel mucosal integrity using baseline impedance. J Gastroenterol vol. 55, (3) 273-280.

Ustaoglu A, Woodland P, Peiris M, Sifrim D (2020). Patients with heartburn express transient receptor potential vanilloid subfamily member-1 (TRPV1) on superficial afferent oesophageal nerve fibres. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 32,

Nikaki K, Rybak A, Nakagawa K, Rawat D, Yazaki E, Woodland P, Borrelli O, Sifrim D(2020). Rumination Syndrome in Children Presenting With Refractory Gastroesophageal Reflux Symptoms. J Pediatr Gastroenterol Nutr vol. 70, (3) 330-335.

Nikaki K, Rybak A, Nakagawa K, Rawat D, Yazaki E, Woodland P, Borrelli O, Sifrim D(2020). Rumination Syndrome in Children Presenting with Refractory Gastroesophageal Reflux Symptoms. Journal of Pediatric Gastroenterology and Nutrition vol. 70, (3) 330-335.

Hoshikawa Y, Nikaki K, Sonmez S, Nakagawa K, Yazaki E, Sifrim D, Woodland P(2020). Exacerbation of gastroesophageal reflux symptoms after discontinuation of proton pump inhibitors is not associated with increased esophageal acid exposure. Neurogastroenterology and Motility vol. 32, (1)

Nicolau LAD, Batista-Lima FJ, Santana APM, Sales TMAL, Carmo-Neto JP, Freitas GB, Oliveira TM, Medeiros JVR et al.(2019). Cashew gum, a biopolymer, topically protects oesophageal mucosa in non erosive reflux disease: A promising translational study. Carbohydrate Polymers vol. 226,

Pauwels A, Boecxstaens V, Andrews CN, Attwood SE, Berrisford R, Bisschops R, Boeckxstaens GE, Bor S et al.(2019). How to select patients for antireflux surgery? The ICARUS guidelines (international consensus regarding preoperative examinations and clinical characteristics assessment to select adult patients for antireflux surgery). Gut vol. 68, (11) 1928-1941.

Nikaki K, Sawada A, Ustaoglu A, Sifrim D(2019). Neuronal Control of Esophageal Peristalsis and Its Role in Esophageal Disease. Current Gastroenterology Reports vol. 21, (11)

Trudgill NJ, Sifrim D, Sweis R, Fullard M, Basu K, McCord M, Booth M, Hayman J et al.(2019). British Society of Gastroenterology guidelines for oesophageal manometry and oesophageal reflux monitoring. Gut vol. 68, (10) 1731-1750.

Sawada A, Anastasi N, Green A, Glasinovic E, Wynter E, Albusoda A, Hajek P, Sifrim D(2019). Management of supragastric belching with cognitive behavioural therapy: factors determining success and follow-up outcomes at 6-12 months post-therapy. Alimentary Pharmacology and Therapeutics vol. 50, (5) 530-537.

Nakagawa K, Sawada A, Hoshikawa Y, Nikaki K, Sonmez S, Woodland P, Yazaki E, Sifrim D(2019). Persistent Postprandial Regurgitation vs Rumination in Patients With Refractory Gastroesophageal Reflux Disease Symptoms: Identification of a Distinct Rumination Pattern Using Ambulatory Impedance-pH Monitoring. Am J Gastroenterol

Gyawali CP, Sifrim D, Carlson DA, Hawn M, Katzka DA, Pandolfino JE, Penagini R, Roman S et al.(2019). Ineffective esophageal motility: Concepts, future directions, and conclusions from the Stanford 2018 symposium. Neurogastroenterol Motile13584-e13584.

Gadelha KKL, Batista-Lima FJ, de Oliveira DMN, Carvalho EFD, Sifrim D, Santos AAD, Magalhães PJC(2019). Impairment of rat oesophageal muscle contractility associated with experimental non-erosive oesophageal mucosal damage. Exp Physiol vol. 104, (2) 199-208.

Woodland P, Singendonk MMJ, Ooi J, Nikaki K, Wong T, Lee C, Glasinovic E, Koning R et al.(2019). Measurement of Salivary Pepsin to Detect Gastroesophageal Reflux Disease Is Not Ready for Clinical Application. Clinical Gastroenterology and Hepatology vol. 17, (3) 563-565.

Nikaki K, Woodland P, Lee C, Ghisa M, Marinelli C, Savarino E, Sifrim D(2019). Esophageal mucosal innervation in functional heartburn: Closer to healthy asymptomatic subjects than to non-erosive reflux disease patients. Neurogastroenterology and Motility vol. 31, (9)

Zaninotto G, Bennett C, Boeckxstaens G, Costantini M, Ferguson MK, Pandolfino JE, Patti MG, Ribeiro U et al.(2018). The 2018 ISDE Achalasia guidelines. Diseases of the Esophagus vol. 31, (9)

Gyawali CP, Kahrilas PJ, Savarino E, Zerbib F, Mion F, Smout AJPM, Vaezi M, Sifrim D et al.(2018). Modern diagnosis of GERD: the Lyon Consensus. Gut vol. 67, (7) 1351-1362.

Figueiredo AA, Santana APM, Nicolau LAD, Batista-Lima FJ, Wong DVT, Lucetti LT, Batista GLP, Caminha NA et al.(2018). Topical protection of mice laryngeal mucosa using the natural product cashew gum. Laryngoscope vol. 128, (5) 1157-1162.

Glasinovic E, Wynter E, Arguero J, Ooi J, Nakagawa K, Yazaki E, Hajek P, Woodland P et al.(2018). Treatment of supragastric belching with cognitive behavioral therapy improves quality of life and reduces acid gastroesophageal reflux. American Journal of Gastroenterology vol. 113, (4) 539-547.

Silva RO, Bingana RD, Sales TMAL, Moreira RLR, Costa DVS, Sales KMO, Brito GAC, Santos AA et al.(2018). Role of TRPV1 receptor in inflammation and impairment of esophageal mucosal integrity in a murine model of nonerosive reflux disease. Neurogastroenterol Motil

Woodland P, Gabieta-Sonmez S, Arguero J, Ooi J, Nakagawa K, Glasinovic E, Yazaki E, Sifrim D(2018). 200 ml rapid drink challenge during highresolution manometry best predicts objective esophagogastric junction obstruction and correlates with symptom severity. Journal of Neurogastroenterology and Motility vol. 24, (3) 410-414.

Herregods TVK, Pauwels A, Jafari J, Sifrim D, Smout AJPM, Bredenoord AJ, Tack J(2018). Ambulatory pH-impedance-pressure monitoring as a diagnostic tool for the reflux-cough syndrome. Dis Esophagus vol. 31, (1) 1-7.

Vaezi MF, Sifrim D(2018). Assessing Old and New Diagnostic Tests for Gastroesophageal Reflux Disease. Gastroenterology vol. 154, (2) 289-301.

Xie C, Sifrim D, Li Y, Chen M, Xiao Y(2018). Esophageal Baseline Impedance Reflects Mucosal Integrity and Predicts Symptomatic Outcome With Proton Pump Inhibitor Treatment. J Neurogastroenterol Motil vol. 24, (1) 43-50.

Gyawali CP, Roman S, Bredenoord AJ, Fox M, Keller J, Pandolfino JE, Sifrim D, Tatum R et al.(2017). Classification of esophageal motor findings in gastro-esophageal reflux disease: Conclusions from an international consensus group. Neurogastroenterol Motil vol. 29, (12)

Herregods TVK, Pauwels A, Jafari J, Sifrim D, Bredenoord AJ, Tack J, Smout AJPM(2017). Determinants of reflux-induced chronic cough. Gut vol. 66, (12) 2057-2062.

Woodland P, Shen Ooi JL, Grassi F, Nikaki K, Lee C, Evans JA, Koukias N, Triantos C et al.(2017). Superficial Esophageal Mucosal Afferent Nerves May Contribute to Reflux Hypersensitivity in Nonerosive Reflux Disease. Gastroenterology vol. 153, (5) 1230-1239.

Li Y-W, Sifrim D, Xie C, Chen M, Xiao Y-L(2017). Relationship Between Salivary Pepsin Concentration and Esophageal Mucosal Integrity in Patients With Gastroesophageal Reflux Disease. J Neurogastroenterol Motil vol. 23, (4) 517-525.

Xiao Y, Carlson DA, Lin Z, Rinella N, Sifrim D, Pandolfino JE(2017). Assessing the pre- and postpeak phases in a swallow using esophageal pressure topography. Neurogastroenterol Motil vol. 29, (9)

Herregods T, Pauwels A, Jafari J, Sifrim D, Smout A, Bredenoord A, Tack J (2017). Acid and weakly acidic reflux as a cause of chronic unexplained cough. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 29, 94-94.

Nakagawa K, Yazaki E, Aziz Q, Sifrim D (2017). Assessment of duodeno/jejunal baseline impedance as a surrogate of evaluation of mucosal integrity in patients with functional dyspepsia: Importance of timing of measurement relative to Phase III of the MMC. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 29, 15-15.

Woodland P, Grassi F, Evans J, McDonald S, Peiris M, Aktar R, Ooi J, Lee C et al. (2017). Innervation pattern of the distal mucosal squamous epithelium may underlie hyposensitivity to acid reflux in patients with Barrett's oesophagus. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 29, 75-76.

Fikree A, Aziz Q, Sifrim D(2017). Mechanisms underlying reflux symptoms and dysphagia in patients with joint hypermobility syndrome, with and without postural tachycardia syndrome. Neurogastroenterol Motil vol. 29, (6)

Gabieta-Sonmez S, Arguero J, Ooi JL, Nakagawa K, Glasinovic E, Woodland PJ, Yazaki E, Nikaki K et al. (2017). 200ML RAPID DRINK CHALLENGE DURING HIGH RESOLUTION MANOMETRY PREDICTS OESOPHAGO-GASTRIC-JUNCTION OBSTRUCTION DETECTED BY TIMED BARIUM OESOPHAGOGRAM WITH HIGH SENSITIVITY AND SPECIFICITY. GASTROENTEROLOGY. vol. 152, S692-S692.

Nakagawa K, Yazaki E, Aziz Q, Sifrim D (2017). ASSESSMENT OF DUODENO/JEJUNAL BASELINE IMPEDANCE AS A SURROGATE OF EVALUATION OF MUCOSAL INTEGRITY IN PATIENTS WITH FUNCTIONAL DYSPEPSIA. IMPORTANCE OF TIMING OF MEASUREMENT RELATIVE TO PHASE 3 OF THE MMC. GASTROENTEROLOGY. vol. 152, S936-S936.

Glasinovic E, Ooi EWJL, Nikaki K, Amarasinghe G, Hajek P, Sifrim D (2017). EFFECT OF COGNITIVE BEHAVIOURAL THERAPY ON SUPRAGASTRIC BELCHING AND ACID REFLUX. GASTROENTEROLOGY. vol. 152, S465-S466.

Rengarajan A, Arguero MJ, Kadirkamanathan SS, Siriwardana P, Brunt LM, Sifrim D, Gyawali CP (2017). IMPACT OF PARAESOPHAGEAL HERNIA ON ESOPHAGEAL AND ESOPHAGOGASTRIC JUNCTION (EGJ) MOTOR PHYSIOLOGY. GASTROENTEROLOGY. vol. 152, S705-S706.

Woodland PJ, Gabieta-Sonmez S, Arguero J, Glasinovic E, Ooi JL, Nakagawa K, Yazaki E, Sifrim D (2017). IN PATIENTS WITH ACHALASIA, THE IRP MEASURED DURING 200ML RAPID DRINK CHALLENGE IS THE PARAMETER MOST ASSOCIATED WITH SYMPTOM SEVERITY. GASTROENTEROLOGY. vol. 152, S325-S326.

Borsaro AA, Santana APM, Batista GL, Nicolau LD, Wong DV, Santos AA, Sifrim D, Souza M (2017). IN VITRO ASSESSMENT OF MICE LARYNGEAL MUCOSAL INTEGRITY. EVALUATION OF TOPICAL PROTECTIVE EFFECT OF CASHEW GUM, A NATURAL POLYMER OBTAINED FROM A BRAZILIAN NORTHEASTERN TREE (ANACARDIUM OCCIDENTALE). GASTROENTEROLOGY. vol. 152, S234-S234.

Herregods TVK, Smout AJPM, Ooi JLS, Sifrim D, Bredenoord AJ(2017). Jackhammer esophagus: Observations on a European cohort. Neurogastroenterology and Motility vol. 29, (4)

Arguero J, Glasinovic E, Hayat JO, Yazaki E, Sifrim D (2017). PHARYNGEAL BASELINE IMPEDANCE IN PATIENTS WITH HOARSENESS AND ENDOSCOPIC SIGNS OF LARYNGEAL INFLAMMATION. GASTROENTEROLOGY. vol. 152, S242-S242.

Silva RO, Bingana RD, Moreira RLR, Sales TM, Oliveira FFB, Souza MAN, Santos AA, Soares PMG et al. (2017). ROLE OF TRPV1 RECEPTORS IN ACID INDUCED IMPAIRMENT OF ESOPHAGEAL MUCOSAL INTEGRITY IN A MURINE MODEL OF NERD. GASTROENTEROLOGY. vol. 152, S234-S235.

Ooi JL, Woodland PJ, Glasinovic E, Koh J, Nikaki K, Gabieta-Sonmez S, Yazaki E, Sifrim D (2017). THE DIAGNOSTIC YIELD OF GASTRIC PH-METRY DURING AMBULATORY GASTRO-OESOPHAGEAL REFLUX MONITORING. GASTROENTEROLOGY. vol. 152, S657-S657.

Nicolau LD, de Lima FB, Santana APM, Woodland PJ, Lee C, Medeiros JVR, Silva DA, Vale ML et al. (2017). TOPICAL PROTECTION OF HUMAN OESOPHAGEAL MUCOSAL INTEGRITY BY THE CASHEW GUM, A NATURAL POLYMER OBTAINED FROM A BRAZILIAN NORTHEASTERN TREE (ANACARDIUM OCCIDENTALE L.). GASTROENTEROLOGY. vol. 152, S460-S461.

Roman S, Gyawali CP, Savarino E, Yadlapati R, Zerbib F, Wu J, Vela M, Tutuian R et al.(2017). Ambulatory reflux monitoring for diagnosis of gastro-esophageal reflux disease: Update of the Porto consensus and recommendations from an international consensus group. Neurogastroenterol Motil vol. 29, (10) 1-15.

Silva RO, Oliveira FFB, Bingana RD, Arruda MO, Woodland P, Lee C, Nobre E Souza MA, Soares PMG et al.(2017). A novel murine model of esophageal non-erosive reflux disease (NERD): From inflammation to impairment in mucosal integrity. American Journal of Physiology - Gastrointestinal and Liver Physiologyajpgi.00327.2016-ajpgi.00327.2016.

Nikaki K, Ooi JLS, Sifrim D(2016). Chicago Classification of Esophageal Motility Disorders: Applications and Limits in Adults and Pediatric Patients with Esophageal Symptoms. Current Gastroenterology Reports vol. 18, (11)

Nikaki K, Woodland P, Sifrim D(2016). Adult and paediatric GERD: Diagnosis, phenotypes and avoidance of excess treatments. Nature Reviews Gastroenterology and Hepatology vol. 13, (9) 529-542.

Yazaki E, Ooi JLS, Nikaki K, Sifrim D, Woodland P(2016). Ambulatory high resolution oesophageal manometry: a novel tool to investigate noncardiac chest pain. NEUROGASTROENTEROLOGY AND MOTILITY vol. 28, 74-74.

Ooi JLS, Nikaki K, Yazaki E, Sifrim D, Woodland P (2016). Oesophageal physiology findings in 98 patients with recurrent dysphagia post-achalasia treatment: retest before re-treating. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 28, 75-75.

Ooi JLS, Amarasinghe G, Nikaki K, Gabieta-Sonmez S, Yazaki E, Sifrim D, Woodland P (2016). Postprandial intragastric pH levels are elevated for significantly longer on reflux monitoring in patients with confirmed gastroparesis. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 28, 84-84.

Roman S, Holloway R, Keller J, Herbella F, Zerbib F, Xiao Y, Bernard L, Bredenoord AJ et al.(2016). Validation of criteria for the definition of transient lower esophageal sphincter relaxations using high-resolution manometry. Neurogastroenterol Motil

de Bortoli N, Ottonello A, Zerbib F, Sifrim D, Gyawali CP, Savarino E(2016). Between GERD and NERD: the relevance of weakly acidic reflux. Ann N Y Acad Sci

e Souza M, Nobre RA, Bezerra PC, dos Santos AA, Sifrim D(2016). Anatomical and functional deficiencies of the crural diaphragm in patients with esophagitis. Neurogastroenterology & Motility

Ooi JLS, Vardar R, Sifrim D(2016). Supragastric belching. Current Opinion in Gastroenterology vol. 32, (4) 302-309.

Ooi J, Yazaki E, Nikaki K, Sifrim D, Woodland P (2016). AMBULATORY HIGH RESOLUTION OESOPHAGEAL MANOMETRY: A NOVEL TOOL TO INVESTIGATE NON-CARDIAC CHEST PAIN. GUT. vol. 65, A120-A121.

Nikaki K, Ooi J, Soozandehfar YS, Woodland P, Sifrim D (2016). DYSPHAGIA IN PATIENTS WITH NON-EROSIVE GATRO-OESOPHAGEAL REFLUX DISEASE. GUT. vol. 65, A179-A179.

Ooi JLS, Amarasinghe G, Nikaki K, Gabieta-Sonmez S, Yazaki E, Sifrim D, Woodland P (2016). POSTPRANDIAL INTRAGASTRIC PH LEVELS ARE ELEVATED FOR SIGNIFICANTLY LONGER ON REFLUX MONITORING IN PATIENTS WITH CONFIRMED GASTROPARESIS. GUT. vol. 65, A48-A48.

Boeckxstaens G, Camilleri M, Sifrim D, Houghton LA, Elsenbruch S, Lindberg G, Azpiroz F, Parkman HP(2016). Fundamentals of neurogastroenterology: Physiology/motility - Sensation. Gastroenterology vol. 150, (6) 1292-1304.e2.

Nikaki K, Ooi JL, Soozandehfar Y, Woodland P, Sifrim D (2016). Dysphagia in patients with Non-Erosive Gastro-Esophageal Reflux Disease (NERD). GASTROENTEROLOGY. vol. 150, S472-S472.

Souza MAN, Nobre R, Sifrim D, Bezerra P, Coutinho TA, Gomes TN, Santos AA (2016). Functional and Anatomical Deficiency of the Crural Diaphragm in GERD Patients With Esophagitis. GASTROENTEROLOGY. vol. 150, S128-S128.

de Lima FB, Nicolau L, Woodland P, Lee C, Santana APM, Silva D, Leite JR, Melo I et al. (2016). In Vitro Topical Protection of Human Esophageal Mucosal Integrity by Natural Products From the Northeast Region of Brazil. GASTROENTEROLOGY. vol. 150, S477-S477.

Farmer AD, Amarasinghe G, Juel J, Moller M, Silva G, Brock C, Sifrim D, Drewes A et al. (2016). Randomized Controlled Trial: Transcutaneous Electrical Vagal Nerve Stimulation Prevents the Development of Acid Induced Esophageal Hyperalgesia. GASTROENTEROLOGY. vol. 150, S107-S107.

Silva RO, Bingana RD, Arruda MO, Souza MAN, Santos AA, Soares PG, Sifrim D, Souza MH (2016). TRPV1 Receptors Modulate Acid Induced Esophageal Inflammation in Surgical Murine Model of Gastro-Esophageal Reflux Disease. GASTROENTEROLOGY. vol. 150, S469-S470.

Ooi JL, Nikaki K, Cooper BE, Lee C, Sifrim D, Woodland P (2016). Topical Alginate Solution Can Protect Against Acid-Induced Impairment of Esophageal Mucosa: An In Vivo, Double-Blind, Placebo-Controlled Study. GASTROENTEROLOGY. vol. 150, S476-S476.

Wang YT, Tai LF, Yazaki E, Jafari J, Sweis R, Tucker E, Knowles K, Wright J et al.(2015). Investigation of Dysphagia After Antireflux Surgery by High-resolution Manometry: Impact of Multiple Water Swallows and a Solid Test Meal on Diagnosis, Management, and Clinical Outcome. Clinical Gastroenterology and Hepatology vol. 13, (9) 1575-1583.

Koukias N, Woodland P, Yazaki E, Sifrim D(2015). Supragastric Belching: Prevalence and Association With Gastroesophageal Reflux Disease and Esophageal Hypomotility. J Neurogastroenterol Motil vol. 21, (3) 398-403.

Sifrim D, Jafari J, Woodland P, Anggiansah A, Wong T(2015). Effect of azithromycin on esophageal hypomotility (EH) and prediction of response by esophageal stimulations tests during high resolution manometry. NEUROGASTROENTEROLOGY AND MOTILITY vol. 27, 35-35.

Batista-Lima F, Lee C, Sifrim D, Woodland P (2015). IN VITRO AND EX VIVO MODELS OF TOPICAL ALGINATE PROTECTION OF HUMAN OESOPHAGEAL EPITHELIUM IN GASTRO-OESOPHAGEAL REFLUX DISEASE. GUT. vol. 64, A487-A487.

Sifrim D (2015). Mucosa and noxious agents. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 27, 4-4.

Ooi JLS, Hewett R, Yazaki E, Sifrim D, Woodland P (2015). OESOPHAGEAL PHYSIOLOGY FINDINGS IN 80 PATIENTS WITH RECURRENT DYSPHAGIA POST-ACHALASIA TREATMENT: RETEST BEFORE RETREATING. GUT. vol. 64, A36-A36.

Sifrim D(2015). The Role of Salivary Pepsin in the Diagnosis of Reflux. Gastroenterol Hepatol (N Y) vol. 11, (6) 417-419.

Sifrim D, Woordland P, Gabrieta-Somnez JL, Woodcock A, Dettmar P (2015). Three days multiple salivary pepsin measurements may increase diagnostic yield in gastroesophageal reflux disease. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 27, 101-101.

Malagelada J-R, Bazzoli F, Boeckxstaens G, De Looze D, Fried M, Kahrilas P, Lindberg G, Malfertheiner P et al.(2015). World gastroenterology organisation global guidelines: dysphagia--global guidelines and cascades update September 2014. J Clin Gastroenterol vol. 49, (5) 370-378.

Jafari J, Yazaki E, Woodland P, Wong T, Anggiansah A, Sifrim D (2015). Effect of Azithromycin on Esophageal Hypomotility (EH) and Prediction of Response by Esophageal Stimulations Tests During High Resolution Manometry. GASTROENTEROLOGY. vol. 148, S75-S75.

Woodland P, Batista-Lima F, Lee C-Y, Sifrim D (2015). Topical Alginate Protection of Human Esophageal Epithelium for Gastro-Esophageal Reflux Disease. A Study Using Human Cell Culture and Biopsy Models. GASTROENTEROLOGY. vol. 148, S134-S134.

Penagini R, Sweis R, Mauro A, Domingues G, Vales A, Sifrim D(2015). Inconsistency in the Diagnosis of Functional Heartburn: Usefulness of Prolonged Wireless pH Monitoring in Patients With Proton Pump Inhibitor Refractory Gastroesophageal Reflux Disease. J Neurogastroenterol Motil vol. 21, (2) 265-272.

Hayat JO, Gabieta-Somnez S, Yazaki E, Kang J-Y, Woodcock A, Dettmar P, Mabary J, Knowles CH et al.(2015). Pepsin in saliva for the diagnosis of gastro-oesophageal reflux disease. Gut vol. 64, (3) 373-380.

do Carmo GC, Jafari J, Sifrim D, de Oliveira RB(2015). Normal esophageal pressure topography metrics for data derived from the Sandhill-Unisensor high-resolution manometry assembly in supine and sitting positions. Neurogastroenterol Motil vol. 27, (2) 285-292.

Woodland P, Aktar R, Mthunzi E, Lee C, Peiris M, Preston SL, Blackshaw LA, Sifrim D(2015). Distinct afferent innervation patterns within the human proximal and distal esophageal mucosa. American Journal of Physiology - Gastrointestinal and Liver Physiology vol. 308, (6) G525-G531.

Woodland P, Batista-Lima F, Lee C, Preston SL, Dettmar P, Sifrim D(2015). Topical protection of human esophageal mucosal integrity. American Journal of Physiology - Gastrointestinal and Liver Physiology vol. 308, (12) 975-980.

Yazaki E, Woodland P, Sifrim D(2014). Uses of esophageal function testing: dysphagia. Gastrointest Endosc Clin N Am vol. 24, (4) 643-654.

Broad J, Hughes F, Chin-Aleong J, Sifrim D, Sanger GJ(2014). Regionally dependent neuromuscular functions of motilin and 5-HT₄ receptors in human isolated esophageal body and gastric fundus. Neurogastroenterol Motil vol. 26, (9) 1311-1322.

Amarasinghe G, Sifrim D(2014). Functional esophageal disorders: pharmacological options. Drugs vol. 74, (12) 1335-1344.

Woodland P, Sifrim D(2014). GERD: body position affects infant GER but not symptoms. Nat Rev Gastroenterol Hepatol vol. 11, (7) 397-398.

Reeves JW, Al-Zinaty M, Woodland P, Sifrim D, Aziz Q, Birch MJ(2014). Sensiprobe--a miniature thermal device incorporating Peltier technology as a diagnostic tool for studying human oesophageal sensitivity. Physiol Meas vol. 35, (7) 1265-1277.

Woodland P, Lee C, Aktar R, Mthunzi E, Blackshaw L, Preston S, Sifrim D(2014). OC-067 Enhanced Perception Of Proximal Gastro-oesophageal Reflux: Impaired Mucosal Integrity Or Distinct Sensory Innervation?. Gut vol. 63, (Suppl 1)

Hayat J, Gabieta-Somnez S, Yazaki E, Kang JY, Woodcock A, Dettmar P, Mabary J, Knowles C et al.(2014). PTU-152 Pepsin In Saliva For The Diagnosis Of Gastro-esophageal Reflux Disease. Gut vol. 63 Suppl 1,

Woodland P, Lee C, Dettmar P, Preston S, Sifrim D(2014). PTU-169 Long-lasting Oesophageal Mucosal Protction With Alginates: A Potential For Topical Mucosal Therapy In Gastro-oesophageal Reflux. Gut vol. 63 Suppl 1, A112-A113.

Hayat JO, Gabieta S, Woodcock A, Dettmar PW, Mabary J, Yazaki E, Kang J-Y, Aziz Q et al. (2014). Detection of Pepsin in Saliva As a Biomarker of Esophageal Sensitivity to Reflux. GASTROENTEROLOGY. vol. 146, S859-S859.

Woodland P, Lee C-Y, Aktar R, Mthunzi E, Peiris M, Preston SL, Blackshaw A, Sifrim D (2014). Enhanced Perception of Proximal Gastro-Esophageal Reflux in Patients With GERD: Impaired Mucosal Integrity or Distinct Sensory Innervation?. GASTROENTEROLOGY. vol. 146, S4-S5.

Schaub N, Ng K, Kuo P, Aziz Q, Sifrim D(2014). Gastric and lower esophageal sphincter pressures during nausea: a study using visual motion-induced nausea and high-resolution manometry. Am J Physiol Gastrointest Liver Physiol vol. 306, (9) G741-G747.

Roman S, Xiao Y, Zerbib F, Pandolfino JE, Holloway RH, Bredenoord AJ, Varannes SBD, Chen M et al. (2014). Identification of Transient Lower Esophageal Sphincter Relaxation (TLESR) in High Resolution Manometry Combined With Impedance (HRM-Z): Toward a Consensus Definition. GASTROENTEROLOGY. vol. 146, S5-S5.

Woodland P, Aktar R, Lee C-Y, Mthunzi E, Peiris M, Preston SL, Blackshaw A, Sifrim D (2014). Long-Lasting "In Vitro" Esophageal Mucosal Protection With Alginates: A Potential for Topical Mucosal Therapy in Gastroesophageal Reflux Disease. GASTROENTEROLOGY. vol. 146, S757-S758.

Woodland P, Sifrim D(2014). Oesophageal mucosal barrier: a key factor in the pathophysiology of non-erosive reflux disease (NERD) and a potential target for treatment. Gut vol. 63, (5) 705-706.

Hayat JO, Gabieta S, Woodcock A, Dettmar PW, Mabary J, Yazaki E, Kang J-Y, Sifrim D (2014). Postprandial Pepsin in Saliva in Healthy Subjects and Patients With GERD. Relationship With Postprandial Reflux. GASTROENTEROLOGY. vol. 146, S751-S751.

Jafari J, Yazaki E, Sifrim D (2014). Stimulation Tests to Assess Esophageal Neuromuscular Reserve During High Resolution Manometry. Analysis of Effectiveness and Reproducibility in Healthy Subjects. GASTROENTEROLOGY. vol. 146, S889-S889.

Tenca A, Campagnola P, Bravi I, Benini L, Sifrim D, Penagini R(2014). Impedance pH Monitoring: Intra-observer and Inter-observer Agreement and Usefulness of a Rapid Analysis of Symptom Reflux Association. JOURNAL OF NEUROGASTROENTEROLOGY AND MOTILITY vol. 20, (2) 205-211.

Hayat JO, Yazaki E, Moore AT, Hicklin L, Dettmar P, Kang J-Y, Sifrim D(2014). Objective Detection of Esophagopharyngeal Reflux in Patients With Hoarseness and Endoscopic Signs of Laryngeal Inflammation. JOURNAL OF CLINICAL GASTROENTEROLOGY vol. 48, (4) 318-327.

Hayat JO, Yazaki E, Moore AT, Hicklin L, Dettmar P, Kang J-Y, Sifrim D(2014). Objective detection of esophagopharyngeal reflux in patients with hoarseness and endoscopic signs of laryngeal inflammation. J Clin Gastroenterol vol. 48, (4) 318-327.

Mauro A, Sweis R, Domingues G, Sifrim D, Penagini R (2014). FUNCTIONAL HEARTBURN REVISITED WITH PROLONGED WIRELESS PH MONITORING. DIGESTIVE AND LIVER DISEASE. vol. 46, S8-S9.

Woodland P, Sifrim D(2014). Esophageal mucosal integrity in nonerosive reflux disease. J Clin Gastroenterol vol. 48, (1) 6-12.

Kahrilas PJ, McColl K, Fox M, O'Rourke L, Sifrim D, Smout AJPM, Boeckxstaens G(2014). Response to Drs Trang and Graham. Am J Gastroenterol vol. 109, (1)

Sifrim D, Penagini R(2013). Capping the gastric acid pocket to reduce postprandial acid gastroesophageal reflux. Clin Gastroenterol Hepatol vol. 11, (12) 1592-1594.

Pauwels A, Verleden S, Farre R, Vanaudenaerde BM, Van Raemdonck D, Verleden G, Sifrim D, Dupont LJ(2013). The effect of gastric juice on interleukin-8 production by cystic fibrosis primary bronchial epithelial cells. J Cyst Fibros vol. 12, (6) 700-705.

Kuo P, Bravi I, Marreddy U, Aziz Q, Sifrim D(2013). Postprandial cardiac vagal tone and transient lower esophageal sphincter relaxation (TLESR). Neurogastroenterol Motil vol. 25, (10) 841-e639.

Woodland P, Sifrim D, Krarup AL, Brock C, Frøkjaer JB, Lottrup C, Drewes AM, Swanstrom LL et al.(2013). The neurophysiology of the esophagus. Ann N Y Acad Sci vol. 1300, 53-70.

Wang YT, Sifrim D(2013). Use of Solid Boluses in High-resolution Manometry. J Neurogastroenterol Motil vol. 19, (4) 422-423.

Woodland P, Al-Zinaty M, Yazaki E, Sifrim D(2013). In vivo evaluation of acid-induced changes in oesophageal mucosa integrity and sensitivity in non-erosive reflux disease. Gut vol. 62, (9) 1256-1261.

Woodland P, Lee C, Duraysami Y, Farre R, Dettmar P, Sifrim D(2013). Assessment and Protection of Esophageal Mucosal Integrity in Patients With Heartburn Without Esophagitis (vol 108, pg 535, 2013). AMERICAN JOURNAL OF GASTROENTEROLOGY vol. 108, (8) 1377-1377.

Woodland P, Lee C, Duraysami Y, Farré R, Dettmar P, Sifrim D(2013). Corrigendum: assessment and protection of esophageal mucosal integrity in patients with heartburn without esophagitis. Am J Gastroenterol vol. 108, (8)

Bravi I, Woodland P, Gill RS, Al-Zinaty M, Bredenoord AJ, Sifrim D(2013). Increased prandial air swallowing and postprandial gas-liquid reflux among patients refractory to proton pump inhibitor therapy. Clin Gastroenterol Hepatol vol. 11, (7) 784-789.

Woodland P, Sifrim D(2013). Management of gastro-oesophageal reflux disease symptoms that do not respond to proton pump inhibitors. Curr Opin Gastroenterol vol. 29, (4) 431-436.

Kahrilas PJ, McColl K, Fox M, O'Rourke L, Sifrim D, Smout AJPM, Boeckxstaens G(2013). The acid pocket: a target for treatment in reflux disease?. Am J Gastroenterol vol. 108, (7) 1058-1064.

Jafari J, Mebarek L, Yerragorla P, Allen RMH, Sifrim D (2013). DOES CHRONIC COUGH PROVOKE INCREASED GASTRO-ESOPHAGEAL REFLUX?. GUT. vol. 62, A99-A100.

Hayat JO, Mansour S, Wan A, Poullis AP, Yazaki E, Sifrim D, Kang J-Y (2013). EFFECTS OF SLEEVE GASTRECTOMY ON GASTRO-OESOPHAGEAL REFLUX AND OESOPHAGO-GASTRIC MOTILITY. GUT. vol. 62, A19-A19.

Woodland P, Amarasinghe G, Sifrim D(2013). Emerging therapeutic options in GERD. Best Pract Res Clin Gastroenterol vol. 27, (3) 455-467.

Hayat JO, Woodcock A, Dettmar P, Yazaki E, Kang J-Y, Sifrim D (2013). IS PEPSIN DETECTED IN THE SALIVA OF HEALTHY INDIVIDUALS?. GUT. vol. 62, A108-A109.

Fikree A, Annan D, Woo E, Balendran P, Choy J, Jafari J, Yazaki E, Aziz Q et al. (2013). JOINT HYPERMOBILITY IS A RISK FACTOR FOR OESOPHAGEAL HYPERSENSITIVITY. GUT. vol. 62, A97-A98.

Woodland P, Lee C, Sifrim D (2013). OESOPHAGEAL MUCOSAL DILATED INTERCELLULAR SPACES (DIS), TRANSEPITHELIAL ELECTRICAL RESISTANCE AND PERCEPTION OF HEARTBURN. GUT. vol. 62, A114-A115.

Al-Zinaty M, Woodland P, Reeves J, Birch M, Aziz Q, Sifrim D (2013). OESOPHAGEAL THERMAL SENSITIVITY AND MUCOSAL INTEGRITY IN HEALTHY SUBJECTS. A STUDY USING A NOVEL PELTIER-BASED HEATING DEVICE AND IMPEDANCE. GUT. vol. 62, A100-A101.

Woodland P, Al-Zinaty M, Yazaki E, Jafari J, Sifrim D (2013). PROXIMAL OESOPHAGEAL FUNCTIONAL MUCOSAL INTEGRITY DURING DISTAL OESOPHAGEAL ACIDIFICATION IN PATIENTS WITH NERD AND FH. GUT. vol. 62, A115-A115.

Mebarek L, Jafari J, Yazaki E, Mabary J, Sifrim D (2013). Comparing Objective Methods of Cough Detection for Assessment of Gastro Esophageal Reflux-Associated Cough. GASTROENTEROLOGY. vol. 144, S839-S839.

Wang YT, Yazaki E, Jafari J, Fikree A, Schaub N, Sweis R, Tucker E, Knowles KR et al. (2013). Comparison of Post-Operative Physiology Parameters Between Asymptomatic and Symptomatic Patients After Anti-Reflux Surgery. GASTROENTEROLOGY. vol. 144, S845-S845.

Schaub N, Ng KS, Kuo P, Aziz Q, Sifrim D (2013). Distinct Pattern of Fundus and Gastro-Esophageal Junction Pressure Changes During Nausea. A Study Using Motion-Video Induced Nausea and High-Resolution Manometry. GASTROENTEROLOGY. vol. 144, S193-S194.

Jafari J, Mebarek L, Allen RM, Yerragorla P, Sifrim D (2013). Does Chronic Cough Provoke Increased Gastro-Esophageal Reflux?. GASTROENTEROLOGY. vol. 144, S841-S841.

Yazaki E, Wang YT, Jafari J, Fikree A, Schaub N, Sweis R, Tucker E, Knowles KR et al. (2013). Dysphagia Post-Fundoplication Evaluated With High-Resolution Manometry (HRM). The Relevance of a Dual High-Pressure Zone. GASTROENTEROLOGY. vol. 144, S850-S850.

Woodland P, Lee C-Y, Preston SL, Sifrim D (2013). Esophageal Mucosa Dilated Intercellular Spaces (DIS), Transepithelial Electrical Resistance and Perception of Heartburn. GASTROENTEROLOGY. vol. 144, S862-S862.

Al Zinaty M, Woodland P, Reeves J, Birch M, Aziz Q, Sifrim D (2013). Esophageal Thermal Sensitivity and Mucosal Integrity in Healthy Subjects. A Study Using a Novel Peltier-Based Heating Device and Impedance. GASTROENTEROLOGY. vol. 144, S177-S177.

Hayat JO, Mansour S, Wan A, Poullis AP, Yazaki E, Sifrim D, Kang J-Y (2013). Gastro-Esophageal Reflux Disease, Esophageal Dysmotility and Gastric Emptying in Patients Before and After Laparoscopic Sleeve Gastrectomy. GASTROENTEROLOGY. vol. 144, S860-S860.

Hayat JO, Yazaki E, Kang J-Y, Woodcock A, Dettmar PW, Mabary J, Sifrim D (2013). Pepsin in Saliva and Gastroesophageal Reflux Monitoring in 100 Healthy Asymptomatic Subjects. GASTROENTEROLOGY. vol. 144, S118-S118.

Woodland P, Al Zinaty M, Yazaki E, Jafari J, Sifrim D (2013). Proximal Esophageal Functional Mucosal Integrity During Distal Esophageal Acidification in Patients With NERD and Functional Heartburn. GASTROENTEROLOGY. vol. 144, S861-S861.

Woodland P, Lee C, Duraisamy Y, Farré R, Dettmar P, Sifrim D(2013). Assessment and protection of esophageal mucosal integrity in patients with heartburn without esophagitis. Am J Gastroenterol vol. 108, (4) 535-543.

Sifrim D(2013). Management of bile reflux. Gastroenterol Hepatol (N Y) vol. 9, (3) 179-180.

Zerbib F, Sifrim D, Tutuian R, Attwood S, Lundell L(2013). Modern medical and surgical management of difficult-to-treat GORD. United European Gastroenterol J vol. 1, (1) 21-31.

Tsoukali E, Sifrim D(2013). Investigation of extraesophageal gastroesophageal reflux disease. Ann Gastroenterol vol. 26, (4) 290-295.

Karamanolis GP, Sifrim D(2013). Patients with refractory gastroesophageal reflux disease: diagnostic tools. Ann Gastroenterol vol. 26, (1) 6-10.

Wang YT, Yazaki E, Sifrim D(2012). High-resolution Manometry: Esophageal Disorders Not Addressed by the "Chicago Classification". J Neurogastroenterol Motil vol. 18, (4) 365-372.

Sifrim D, Zerbib F(2012). Diagnosis and management of patients with reflux symptoms refractory to proton pump inhibitors. Gut vol. 61, (9) 1340-1354.

Fikree A, O'Brien C, Aktar R, Jafari J, Schaub N, Kuo P, Sifrim D, Aziz Q(2012). Gastroparesis in the joint hypermobility syndrome. NEUROGASTROENTEROLOGY AND MOTILITY vol. 24, 168-168.

Pauwels A, Blondeau K, Dupont LJ, Sifrim D(2012). Mechanisms of increased gastroesophageal reflux in patients with cystic fibrosis. Am J Gastroenterol vol. 107, (9) 1346-1353.

Kuo P, Bravi I, Marreddy U, Aziz Q, Sifrim D(2012). Postprandial changes in autonomic nervous system and frequency of transient lower oesophageal sphincter relaxation (TLOSR). NEUROGASTROENTEROLOGY AND MOTILITY vol. 24, 157-158.

Yazaki E, Jafari J, Aziz Q, Sifrim D(2012). Use of ambulatory simultaneous measurements of small bowel intra-luminal impedance and pressure to predict the efficacy of migration motor complex phase III. NEUROGASTROENTEROLOGY AND MOTILITY vol. 24, 172-172.

Woodland P, Bravi I, Gill RS, Bredenoord AJ, Jafari J, Sifrim D(2012). AEROPHAGIA DURING MEALS AND POSTPRANDIAL GAS-CONTAINING REFLUX IN PATIENTS WITH GORD NOT RESPONDING TO PPI. GUT vol. 61, A40-A41.

Woodland P, Al-Zinaty M, Bravi I, Jafari J, Sifrim D(2012). CLINICAL EVALUATION OF OESOPHAGEAL MUCOSAL INTEGRITY AND ACID SENSITIVITY IN PATIENTS WITH NERD. A STUDY USING BASAL IMPEDANCE AND ASSESSMENT OF MUCOSAL RECOVERY AFTER ACID CHALLENGE. GUT vol. 61, A38-A38.

Hayat JO, Yazaki E, Moore AT, Hicklin LAC, Dettmar PW, Kang J-Y, Sifrim D(2012). NOVEL TECHNIQUES FOR ASSESSING OESOPHAGO-PHARYNGEAL REFLUX IN PATIENTS WITH HOARSENESS AND SUSPECTED LARYNGOPHARYNGEAL REFLUX. GUT vol. 61, A260-A261.

Pauwels A, Decraene A, Blondeau K, Mertens V, Farre R, Proesmans M, Van Bleyenbergh P, Sifrim D et al.(2012). Bile acids in sputum and increased airway inflammation in patients with cystic fibrosis. Chest vol. 141, (6) 1568-1574.

Bravi I, Woodland P, Gill RS, Bredenoord AJ, Jafari J, Sifrim D (2012). Aerophagia During Meals and Postprandial Gas-Containing Reflux in Patients With GERD Not Responding to PPI. GASTROENTEROLOGY. vol. 142, S283-S284.

Yazaki E, Jafari J, Aziz Q, Sifrim D (2012). Ambulatory Small Bowel Intra-Luminal Impedance-Manometry to Evaluate Transport Efficacy of Phase III of the MMC in Patients With Suspected Enteric Neuropathy. GASTROENTEROLOGY. vol. 142, S307-S307.

Yazaki E, Sifrim D(2012). Anatomy and physiology of the esophageal body. Dis Esophagus vol. 25, (4) 292-298.

Woodland P, Al Zinaty M, Fikree A, Bravi I, Jafari J, Sifrim D (2012). Clinical Evaluation of Esophageal Mucosal Integrity and Acid Sensitivity in Patients With NERD. a Study Using Baseline Impedance and Assessment of Mucosal Recovery After Acid Challenge. GASTROENTEROLOGY. vol. 142, S203-S203.

Jafari J, Kuo P, Yazaki E, Schaub N, Mabary JE, Sifrim D (2012). Comparing Objective Methods of Cough Detection for Assessment of Gastroesophageal Reflux-Associated Cough. GASTROENTEROLOGY. vol. 142, S412-S413.

Hayat JO, Kang J-Y, Dettmar PW, Moore AT, Hicklin LC, Yazaki E, Sifrim D (2012). Do Patients With Hoarseness and Endoscopic Signs of LPR Have Abnormal Esophago-Pharyngeal Reflux? a Study Using Simultaneous Impedance-Phmetry, Oro-Pharyngeal pH Monitoring (Restech) and Pepsin Measurements in Saliva. GASTROENTEROLOGY. vol. 142, S411-S412.

Woodland P, Lee C-Y, Duraisamy Y, Dettmar PW, Sifrim D (2012). Evaluation of Functional Esophageal Mucosal Integrity in Patients With NERD. Effect of Topical Mucosal Protection. GASTROENTEROLOGY. vol. 142, S753-S753.

Pauwels A, Blondeau K, Dupont L, Sifrim D (2012). Gastro-Esophageal Reflux in Adult Cystic Fibrosis: A Primary Phenomenon or Secondary to Respiratory Dysfunction? Revisited With Analysis of Thoraco-Abdominal Pressure Gradients With High Resolution Manometry-Impedance. GASTROENTEROLOGY. vol. 142, S414-S414.

Schaub N, Woodland P, Bravi I, Yazaki E, Kuo P, Jafari J, Sifrim D (2012). Hiatal Hernia, Belching and Gas-Liquid Gastroesophageal Reflux. GASTROENTEROLOGY. vol. 142, S285-S286.

Pauwels A, Verleden S, Farre R, Vanaudenaerde BM, Dupont L, Sifrim D (2012). Risks of PPI Treatment in Patients With Cystic Fibrosis. Effect of Gastric Juice of Patients "on" PPI on IL-8 Production by CF Primary Bronchial Epithelial Cells. GASTROENTEROLOGY. vol. 142, S414-S414.

Pandolfino JE, Sifrim D(2012). Evaluation of esophageal contractile propagation using esophageal pressure topography. Neurogastroenterol Motil vol. 24 Suppl 1, 20-26.

Sifrim D, Jafari J(2012). Deglutitive inhibition, latency between swallow and esophageal contractions and primary esophageal motor disorders. J Neurogastroenterol Motil vol. 18, (1) 6-12.

Armstrong D, Sifrim D(2011). New pharmacologic approaches in gastroesophageal reflux disease. Thorac Surg Clin vol. 21, (4) 557-574.

Pauwels A, Blondeau K, Mertens V, Farre R, Verbeke K, Dupont LJ, Sifrim D(2011). Gastric emptying and different types of reflux in adult patients with cystic fibrosis. Aliment Pharmacol Ther vol. 34, (7) 799-807.

Triadafilopoulos G, Taddei A, Bechi P, Freschi G, Ringressi MN, Degli'Innocenti DR, Castiglione F, Masini E et al.(2011). Barrett's esophagus: proton pump inhibitors and chemoprevention I. Ann N Y Acad Sci vol. 1232, 93-113.

Roman S, Pandolfino JE, Woodland P, Sifrim D, Lenglinger J(2011). Testing for gastroesophageal reflux in the 21st century. Ann N Y Acad Sci vol. 1232, 358-364.

Farré R, Blondeau K, Clement D, Vicario M, Cardozo L, Vieth M, Mertens V, Pauwels A et al.(2011). Evaluation of oesophageal mucosa integrity by the intraluminal impedance technique. Gut vol. 60, (7) 885-892.

Pauwels A, Blondeau K, Mertens V, Farre R, Dupont L, Sifrim D (2011). A Distinct Mechanism for Reflux in Patients With Cystic Fibrosis: A Study Using High Resolution Manometry-Impedance. GASTROENTEROLOGY. vol. 140, S43-S43.

Sifrim D, Duraisamy Y, Woodland P, Gill RS, Farre R, Preston SL (2011). Assessment of Functional Esophageal Mucosal Integrity in Biopsies of Patients With Refractory NERD. GASTROENTEROLOGY. vol. 140, S620-S620.

Pardon NA, Vicario M, Vieth M, Vanheel H, Vanuytsel T, Blondeau K, Sifrim D, Jimenez M et al. (2011). Deoxycholic Acid Impairs Esophageal Mucosa Integrity via Apoptosis Induction. GASTROENTEROLOGY. vol. 140, S155-S155.

Bravi I, Jafari J, Woodland P, Hayat J, Shimono R, Fikree A, Marunda T, Yazaki E et al. (2011). Intermittent Esophageal Hypotensive Peristalsis Re-Assessed With Multiple Rapid Swallowing. GASTROENTEROLOGY. vol. 140, S871-S871.

Mertens V, Blundeau K, Pauwels A, Farre R, Vanaudenaerde BM, Vos R, Van Raetndonck DE, Verleden GM et al. (2011). LTx Patients With Increased Gastroesophageal Reflux Have Increased CD8+Effector T Cells in BAL. GASTROENTEROLOGY. vol. 140, S255-S255.

Shimono R, Bravi I, Marunda T, Grahame R, Sifrim D (2011). Mechanisms of Dysphagia in Patients With the Joint Hypermobility Syndrome. GASTROENTEROLOGY. vol. 140, S231-S232.

Woodland P, Gill RS, Jafari J, Bravi I, Shimono R, Fikree A, Hayat J, Marunda T et al. (2011). Objective Assessment of Aerophagia During Meals in Normal Subjects and Patients With Post-Prandial Bloating and Belching. GASTROENTEROLOGY. vol. 140, S704-S704.

Woodland P, Duraisamy Y, Gill RS, Farre R, Preston S, Sifrim D (2011). ASSESSMENT OF FUNCTIONAL OESOPHAGEAL MUCOSAL INTEGRITY IN BIOPSIES OF PATIENTS WITH REFRACTORY GORD. GUT. vol. 60,

Fikree A, Aziz Q, Jafari J, Grahame R, Sifrim D (2011). DYSPHAGIA IN PATIENTS WITH THE JOINT HYPERMOBILITY SYNDROME. GUT. vol. 60, A181-A181.

Mertens V, Blondeau K, Vanaudenaerde B, Vos R, Verleden SE, Van Raemdonck DE, Verleden GM, Sifrim D et al. (2011). LTx Patients with Increased Gastroesophageal Reflux Have Increased CD8+Effector T Cells in BAL. JOURNAL OF HEART AND LUNG TRANSPLANTATION. vol. 30, S116-S117.

Fornari F, Blondeau K, Mertens V, Tack J, Sifrim D(2011). Nocturnal gastroesophageal reflux revisited by impedance-pH monitoring. J Neurogastroenterol Motil vol. 17, (2) 148-157.

Woodland P, Gill RS, Jafari J, Bravi I, Shimono R, Fikree A, Hayat J, Yazaki E et al. (2011). OBJECTIVE ASSESSMENT OF AEROPHAGIA DURING MEALS IN NORMAL CONTROLS AND PATIENTS WITH POST-PRANDIAL BLOATING AND BELCHING. GUT. vol. 60, A27-A27.

Fikree A, Aziz Q, Jafari J, Grahame R, Sifrim D (2011). OESOPHAGEAL DYSMOTILITY IN PATIENTS WITH EHLERS-DANLOS SYNDROME TYPE III AND DYSPHAGIA. RHEUMATOLOGY. vol. 50, 105-105.

Shimono R, Yazaki E, Jafari J, Woodland P, Hayat J, Fikree A, Bravi I, Tsourali E et al. (2011). PERSISTENT DUAL HIGH PRESSURE ZONE, OESOPHAGEAL BODY HYPOMOTILITY AND ABNORMAL RESPONSE TO MULTIPLE RAPID SWALLOWS ARE ASSOCIATED WITH REFLUX SYMPTOMS AFTER FUNDOPLICATION. GUT. vol. 60, A164-A164.

Blondeau K, Mertens V, Dupont L, Pauwels A, Farré R, Malfroot A, De Wachter E, De Schutter I et al.(2011). The relationship between gastroesophageal reflux and cough in children with chronic unexplained cough using combined impedance-pH-manometry recordings. Pediatr Pulmonol vol. 46, (3) 286-294.

Mertens V, Blondeau K, Van Oudenhove L, Vanaudenaerde B, Vos R, Farre R, Pauwels A, Verleden G et al.(2011). Bile acids aspiration reduces survival in lung transplant recipients with BOS despite azithromycin. Am J Transplant vol. 11, (2) 329-335.

Bredenoord AJ, Jafari J, Kadri S, Simcock DE, Sifrim D, Preston SL(2011). Case report: achalasia-like dysmotility secondary to oesophageal involvement of sarcoidosis. Gut vol. 60, (2) 153-155.

Sifrim D, Lundell L, Zerbib F(2010). Gastro-oesophageal reflux disease. Best Pract Res Clin Gastroenterol vol. 24, (6) 757-758.

Lazarescu A, Karamanolis G, Aprile L, De Oliveira RB, Dantas R, Sifrim D(2010). Perception of dysphagia: lack of correlation with objective measurements of esophageal function. Neurogastroenterol Motil vol. 22, (12) 1292-e337.

Woodland P, Sifrim D(2010). The refluxate: The impact of its magnitude, composition and distribution. Best Pract Res Clin Gastroenterol vol. 24, (6) 861-871.

Mertens V, Blondeau K, Vanaudenaerde B, Vos R, Farre R, Pauwels A, Verleden G, Van Raemdonck D et al.(2010). Gastric juice from patients "on" acid suppressive therapy can still provoke a significant inflammatory reaction by human bronchial epithelial cells. J Clin Gastroenterol vol. 44, (10) e230-e235.

Ng KS, Marreddy U, Sifrim D, Aziz Q(2010). Effect of gastric emptying on pressure-flow dynamics of gastro-oesophageal junction (GOJ). J GASTROEN HEPATOL vol. 25, A118-A118.

Armstrong D, Sifrim D(2010). New pharmacologic approaches in gastroesophageal reflux disease. Gastroenterol Clin North Am vol. 39, (3) 393-418.

Boeckxstaens GE, Beaumont H, Mertens V, Denison H, Ruth M, Adler J, Silberg DG, Sifrim D(2010). Effects of lesogaberan on reflux and lower esophageal sphincter function in patients with gastroesophageal reflux disease. Gastroenterology vol. 139, (2) 409-417.

Farre R, Vicario M, Perdon N, Vanheel H, Blondeau K, Jimenez M, Sifrim D, Tack J (2010). Oesophageal perfusion of low concentrations of deoxycholic acid impairs mucosa integrity in rabbits. NEUROGASTROENTEROLOGY AND MOTILITY. vol. 22, 44-44.

Tsoukali E, Sifrim D(2010). The role of weakly acidic reflux in proton pump inhibitor failure, has dust settled?. J Neurogastroenterol Motil vol. 16, (3) 258-264.

Hauser BRFE, Blondeau K, Malfroot A, De Schutter I, De Wachter E, Sifrim D, Devreker T, Vandenplas Y(2010). GASTRO-OESOPHAGEAL REFLUX AND GASTRIC EMPTYING IN CHILDREN WITH CYSTIC FIBROSIS. J PEDIATR GASTR NUTR vol. 50, E134-E134.

Mertens V, Dupont L, Sifrim D(2010). Relevance of GERD in lung transplant patients. Curr Gastroenterol Rep vol. 12, (3) 160-166.

Nguyen NQ, Bryant LK, Burgstad CM, Fraser R-J, Sifrim D, Holloway RH(2010). Impact of bolus volume on small intestinal intra-luminal impedance in healthy subjects. World J Gastroenterol vol. 16, (17) 2151-2157.

Jafari J, Yazaki E, Shimono H, Ariz Q, Sifrim D (2010). GASTRO-OESOPHAGEAL MECHANISMS OF RECURRENT POSTPRANDIAL VOMITING IN YOUNG PATIENTS WITH JOINT HYPERMOBILITY SYNDROME AND AUTONOMIC DYSFUNCTION. GUT. vol. 59, A142-A143.

Sifrim D, Barnes N(2010). GERD-related chronic cough: how to identify patients who will respond to antireflux therapy?. J Clin Gastroenterol vol. 44, (4) 234-236.

Boesmans W, Vanden Berghe P, Farre R, Sifrim D(2010). Oesophageal shortening: in vivo validation of high-frequency ultrasound measurements of oesophageal muscle wall thickness. Gut vol. 59, (4) 433-440.

Rommel N, Tack J, Arts J, Caenepeel P, Bisschops R, Sifrim D(2010). Rumination or belching-regurgitation? Differential diagnosis using oesophageal impedance-manometry. Neurogastroenterol Motil vol. 22, (4) e97-104.

Farré R, Fornari F, Blondeau K, Vieth M, De Vos R, Bisschops R, Mertens V, Pauwels A et al.(2010). Acid and weakly acidic solutions impair mucosal integrity of distal exposed and proximal non-exposed human oesophagus. Gut vol. 59, (2) 164-169.

Blondeau K, Pauwels A, Dupont L, Mertens V, Proesmans M, Orel R, Brecelj J, López-Alonso M et al.(2010). Characteristics of gastroesophageal reflux and potential risk of gastric content aspiration in children with cystic fibrosis. J Pediatr Gastroenterol Nutr vol. 50, (2) 161-166.

Mertens V, Blondeau K, Vanaudenaerde B, Vos R, Pauwels A, Verleden G, Van Raemdonck DE, Sifrim D et al. (2010). Reduced Survival in Lung Transplant Recipients with Bile Acids Aspiration Despite Azithromycin Therapy. JOURNAL OF HEART AND LUNG TRANSPLANTATION. vol. 29, S141-S141.

Mertens V, Farre R, Blondeau K, Pauwels A, Sifrim D, Dupont L (2010). The Effect of Gastro-Duodenal Contents on Tracheal Mucosa: There Is More to It than Acid. JOURNAL OF HEART AND LUNG TRANSPLANTATION. vol. 29, S127-S127.

Hulselmans M, Vanuytsel T, Degreef T, Sifrim D, Coosemans W, Lerut T, Tack J(2010). Long-term outcome of pneumatic dilation in the treatment of achalasia. Clin Gastroenterol Hepatol vol. 8, (1) 30-35.

van Wijk MP, Sifrim D, Rommel N, Benninga MA, Davidson GP, Omari TI(2009). Characterization of intraluminal impedance patterns associated with gas reflux in healthy volunteers. NEUROGASTROENT MOTIL vol. 21, (8) 825-+.

van Wijk MP, Sifrim D, Rommel N, Benninga MA, Davidson GP, Omari TI(2009). Characterization of intraluminal impedance patterns associated with gas reflux in healthy volunteers. Neurogastroenterol Motil vol. 21, (8) 825-e55.

Fornari F, Bravi I, Penagini R, Tack J, Sifrim D(2009). Multiple rapid swallowing: a complementary test during standard oesophageal manometry. Neurogastroenterol Motil vol. 21, (7) 718-e41.

Van Oudenhove L, Holvoet L, Bisschops R, Caenepeel P, Arts J, De Wulf D, Vos R, Sifrim D et al. (2009). A Double-Blind, Randomized, Placebo-Controlled Study of Mirtazapine in Functional Dyspepsia with Weight Loss. GASTROENTEROLOGY. vol. 136, A46-A46.

Vanuytsel T, Bisschops R, Holvoet L, Mimidis K, De Wulf D, Arts J, Caenepeel P, Sifrim D et al. (2009). A Sham-Controlled Study of Injection of Botulinum Toxin in Non-Achalasia Esophageal Hipermotility Disorder. GASTROENTEROLOGY. vol. 136, A152-A152.

Mertens V, Blondeau K, Pauwels A, Vos R, Vanaudenaerde BM, Van Raemdonck DE, Verleden GM, Dupont L et al. (2009). Aspiration of Gastric Components in Lung Transplant Recipients: Do Bile Acids Account for the Inflammatory Reaction?. GASTROENTEROLOGY. vol. 136, A733-A733.

Mertens V, Blondeau K, Pauwels A, Farre R, Vanaudenaerde B, Vos R, Verleden G, Van Raemdonck DE et al.(2009). Azithromycin reduces gastroesophageal reflux and aspiration in lung transplant recipients. Dig Dis Sci vol. 54, (5) 972-979.

Blondeau K, Sifrim D, Gardner JD (2009). Continuous Distal Esophageal Acidification Reduces Postprandial Gastric Acidity in Healthy Human Subjects. GASTROENTEROLOGY. vol. 136, A432-A432.

Mertens V, Blondeau K, Pauwels A, Vos R, Vanaudenaerde BM, Van Raemdonck DE, Verleden GM, Dupont L et al. (2009). Effect of Gastric Juice from Patients "On" Acid Suppressive Therapy (PPI) On Human Bronchial Epithelial Cells. GASTROENTEROLOGY. vol. 136, A107-A107.

Farre R, Cardozo L, Blondeau K, de Vos R, Vanden Berghe P, Depoortere I, Tack JF, Sifrim D (2009). Esophageal Mucosal Damage Induced By Weakly Acidic Solutions Containing Unconjugated Bile Acids, Similar to Reflux in GERD Patients "On" PPI, Can Be Prevented with Anti-Oxidants. GASTROENTEROLOGY. vol. 136, A16-A16.

Boesmans W, Vanden Berghe P, Sifrim D (2009). Esophageal Shortening: In Vivo Studies to Validate Ultrasound Measurements of Esophageal Wall Thickness As a Method to Assess Esophageal Longitudinal Muscle Contraction. GASTROENTEROLOGY. vol. 136, A152-A152.

Farre R, Blondeau K, Fornari F, de Vos R, Bisschops R, Vieth M, Vanden Berghe P, Depoortere I et al. (2009). Experimental Induction of Esophageal Mucosa Dilated Intercellular Spaces (DIS) in Healthy Subjects. Perfusion of Different Solutions Can Provoke DIS in the Distal "Exposed" and the Proximal "Non-Exposed" Esophagus. GASTROENTEROLOGY. vol. 136, A5-A5.

Blondeau K, Dupont L, Vandenplas Y, Hauser B, Malfroot A, Sifrim D (2009). Gastroesophageal Reflux (Acid and Non-Acid) and Unexplained Chronic Cough in Children. Symptom Association Analysis Using Objective Cough Detection. GASTROENTEROLOGY. vol. 136, A735-A735.

Blondeau K, Mertens V, Dupont L, Pauwels A, Sifrim D (2009). Improved Reflux-Symptom Association Analysis to Predict PPI Treatment Outcome in Patients with Chronic Cough. GASTROENTEROLOGY. vol. 136, A735-A735.

Ang D, Nicolai H, Vos R, Mimidis K, Akyuz F, Kindt S, Vanden Berghe P, Sifrim D et al.(2009). Influence of ghrelin on the gastric accommodation reflex and on meal-induced satiety in man. Neurogastroenterol Motil vol. 21, (5) 528-e9.

Scarpellini E, Vos R, Depoortere I, Ang D, Vanden Berghe P, Sifrim D, Tack JF (2009). Motilin Is a Hunger Hormone in Man. GASTROENTEROLOGY. vol. 136, A328-A328.

Holloway RH, Boeckxstaens GE, Penagini R, Sifrim D, Smout A, Ruth M (2009). Objective Definition and Detection of Transient Lower Esophageal Relaxation Revisited: Is There Room for Improvement?. GASTROENTEROLOGY. vol. 136, A527-A527.

Pauwels A, Blondeau K, Mertens V, Dupont L, Sifrim D (2009). Objective Recording of Cough Associated to Gastroesophageal Reflux. GASTROENTEROLOGY. vol. 136, A733-A733.

Pauwels A, Blondeau K, Dupont L, Sifrim D(2009). Cough and gastroesophageal reflux: from the gastroenterologist end. Pulm Pharmacol Ther vol. 22, (2) 135-138.

Arts J, Caenepeel P, Bisschops R, Dewulf D, Holvoet L, Piessevaux H, Bourgeois S, Sifrim D et al.(2009). Efficacy of the long-acting repeatable formulation of the somatostatin analogue octreotide in postoperative dumping. Clin Gastroenterol Hepatol vol. 7, (4) 432-437.

Arts J, Bisschops R, Caenepeel P, De Wulf D, Holvoet L, Vos R, Degreef A, Sifrim D et al. (2009). Endoluminal Fundoplication (Esophyx (R)) in GERD Patients Refractory to PPI Therapy: Effect On Symptoms, PPI Use and Distensibility. GASTROINTESTINAL ENDOSCOPY. vol. 69, AB382-AB382.

Blondeau K, Sifrim D, Gardner JD(2009). Continuous distal oesophageal acidification decreases postprandial gastric acidity in healthy human subjects. Aliment Pharmacol Ther vol. 29, (5) 561-570.

Emerenziani S, Ribolsi M, Sifrim D, Blondeau K, Cicala M(2009). Regional oesophageal sensitivity to acid and weakly acidic reflux in patients with non-erosive reflux disease. Neurogastroenterol Motil vol. 21, (3) 253-258.

Mertens V, Blondeau K, Pauwels A, Vos R, Vanaudenaerde B, Van Raemdonck DE, Verleden GM, Sifrim D et al. (2009). Effect of Gastric Juice from Patients "on" Acid Supressive Therapy (PPI) on Human Bronchial Epithelial Cells. JOURNAL OF HEART AND LUNG TRANSPLANTATION. vol. 28, S212-S212.

Mertens V, Blondeau K, Van Raemdonck D, Blondeau G, Sifrim D, Dupont LJ (2009). Increased Incidence of Acute Rejection in Patients with Increased GER, 1 Year after LTx. JOURNAL OF HEART AND LUNG TRANSPLANTATION. vol. 28, S283-S283.

Fass R, Sifrim D(2009). Management of heartburn not responding to proton pump inhibitors. Gut vol. 58, (2) 295-309.

Blondeau K, Mertens V, Vanaudenaerde BA, Verleden GM, Van Raemdonck DE, Sifrim D, Dupont LJ(2009). Nocturnal weakly acidic reflux promotes aspiration of bile acids in lung transplant recipients. J Heart Lung Transplant vol. 28, (2) 141-148.

Ang D, Blondeau K, Sifrim D, Tack J(2009). The spectrum of motor function abnormalities in gastroesophageal reflux disease and Barrett's esophagus. Digestion vol. 79, (3) 158-168.

Sifrim D, Blondeau K, Mantillla L(2009). Utility of non-endoscopic investigations in the practical management of oesophageal disorders. Best Pract Res Clin Gastroenterol vol. 23, (3) 369-386.

Lazarescu A, Sifrim D(2008). Ambulatory monitoring of GERD: current technology. Gastroenterol Clin North Am vol. 37, (4) 793-viii.

Aprile LRO, Sifrim D, Dantas RO, Oliveira RB(2008). Rumination syndrome: characterization by esophageal manometry and multichannel intraluminal impedance. Gastroenterol Clin Biol vol. 32, (11)

Farré R, van Malenstein H, De Vos R, Geboes K, Depoortere I, Vanden Berghe P, Fornari F, Blondeau K et al.(2008). Short exposure of oesophageal mucosa to bile acids, both in acidic and weakly acidic conditions, can impair mucosal integrity and provoke dilated intercellular spaces. Gut vol. 57, (10) 1366-1374.

Nasi A, Frare RDC, Brandão JF, Falcão AM, Muchelsohn NH, Sifrim D(2008). [Comparative prospective study of two positioning modes of 24-hour esophageal pH monitoring: by esophageal manometry and by the pH step-up technique]. Arq Gastroenterol vol. 45, (4) 261-267.

Kahrilas PJ, Sifrim D(2008). High-resolution manometry and impedance-pH/manometry: valuable tools in clinical and investigational esophagology. Gastroenterology vol. 135, (3) 756-769.

Karamanolis G, Vanuytsel T, Sifrim D, Bisschops R, Arts J, Caenepeel P, Dewulf D, Tack J(2008). Yield of 24-hour esophageal pH and bilitec monitoring in patients with persisting symptoms on PPI therapy. Dig Dis Sci vol. 53, (9) 2387-2393.

Vos R, Blondeau K, Vanaudenaerde BM, Mertens V, Van Raemdonck DE, Sifrim D, Dupont LJ, Verleden GM(2008). Airway colonization and gastric aspiration after lung transplantation: do birds of a feather flock together?. J Heart Lung Transplant vol. 27, (8) 843-849.

Blondeau K, Dupont LJ, Mertens V, Verleden G, Malfroot A, Vandenplas Y, Hauser B, Sifrim D(2008). Gastro-oesophageal reflux and aspiration of gastric contents in adult patients with cystic fibrosis. Gut vol. 57, (8) 1049-1055.

Koek GH, Sifrim D, Lerut T, Janssens J, Tack J(2008). Multivariate analysis of the association of acid and duodeno-gastro-oesophageal reflux exposure with the presence of oesophagitis, the severity of oesophagitis and Barrett's oesophagus. Gut vol. 57, (8) 1056-1064.

Ang D, Sifrim D, Tack J(2008). Mechanisms of heartburn. Nat Clin Pract Gastroenterol Hepatol vol. 5, (7) 383-392.

Conchillo JM, Schwartz MP, Selimah M, Samsom M, Sifrim D, Smout AJ(2008). Acid and non-acid reflux patterns in patients with erosive esophagitis and non-erosive reflux disease (NERD): a study using intraluminal impedance monitoring. Dig Dis Sci vol. 53, (6) 1506-1512.

Fornari F, Sifrim D(2008). Diagnostic options for patients with refractory GERD. Curr Gastroenterol Rep vol. 10, (3) 283-288.

Blondeau K, Sifrim D, Dupont L, Tack J(2008). Reflux cough. Curr Gastroenterol Rep vol. 10, (3) 235-239.

Vanuytsel T, Bisschops R, Mimidis K, Sifrim D, Holvoet L, Demedts I, Arts J, Caenepeel P et al.(2008). A sham-controlled study of injection of botulinum toxin in diffuse esophageal spasm. GASTROENTEROLOGY vol. 134, (4) A14-A14.

Farre R, van Malenstein H, de Vos R, Vanden Berghe P, Depoortere I, Tack JF, Sifrim D(2008). Dilated Intercellular Spaces (DIS) are associated with released of Substance P after exposure of esophageal mucosa to bile acids. GASTROENTEROLOGY vol. 134, (4) A74-A74.

van Malenstein H, Farré R, Sifrim D(2008). Esophageal dilated intercellular spaces (DIS) and nonerosive reflux disease. Am J Gastroenterol vol. 103, (4) 1021-1028.

Ang DC, Nicolai H, Vos R, Vanden Berghe P, Sifrim D, Depoortere I, Peeters TL, Janssens J et al.(2008). Gastric phase 3 is a hunger signal in the interdigestive state in man. GASTROENTEROLOGY vol. 134, (4) A314-A314.

Blondeau K, Mertens V, Vanaudenaerde BA, Verleden GM, Van Raemdonck DE, Sifrim D, Dupont LJ(2008). Gastro-oesophageal reflux and gastric aspiration in lung transplant patients with or without chronic rejection. Eur Respir J vol. 31, (4) 707-713.

Blondeau K, Dupont L, Mertens V, Verleden GM, Malfroot A, Vandenplas Y, Hauser B, Sifrim D(2008). Gastroesophageal reflux and aspiration of gastric contents in adult patients with cystic fibrosis. GASTROENTEROLOGY vol. 134, (4) A170-A170.

Ang DC, Nicolai H, Vos R, Vanden Berghe P, Sifrim D, Depoortere I, Peeters TL, Janssens J et al.(2008). Hunger scores correlate with the occurrence of pharmacologically induced gastric phase 3 in man. GASTROENTEROLOGY vol. 134, (4) A285-A285.

Ang DC, Nicolai H, Vos R, Vanden Berghe P, Sifrim D, Mimidis K, Akyuz F, Depoortere I et al.(2008). Influence of ghrelin on gastric accommodation and meal-induced satiety in man. GASTROENTEROLOGY vol. 134, (4) A247-A247.

Blondeau K, Mertens V, Vanaudenaerde BM, Vos R, Van Racmdonck DE, Verleden GM, Dupont L, Sifrim D(2008). Nocturnal weakly acidic reflux promotes aspiration of bile acids in lung transplant recipients. GASTROENTEROLOGY vol. 134, (4) A170-A170.

Karamanolis G, Stevens W, Vos R, Tack J, Clave P, Sifrim D(2008). Oesophageal tone and sensation in the transition zone between proximal striated and distal smooth muscle oesophagus. Neurogastroenterol Motil vol. 20, (4) 291-297.

Mertens V, Blondeau K, Vanaudenaerde BM, Vos R, Van Raemdonck DE, Verleden GM, Dupont L, Sifrim D(2008). Pepsin or bile acids: What is the best marker of gastric aspiration in lung transplant recipients?. GASTROENTEROLOGY vol. 134, (4) A170-A170.

Emerenziani S, Sifrim D, Habib FI, Ribolsi M, Guarino MPL, Rizzi M, Caviglia R, Petitti T et al.(2008). Presence of gas in the refluxate enhances reflux perception in non-erosive patients with physiological acid exposure of the oesophagus. Gut vol. 57, (4) 443-447.

Lazarescu A, Bisschops R, Demedts I, Tack JF, Tytgat GN, Sifrim D(2008). Short segment acid reflux: Characterization with 24-hour esophageal impedance-double pH monitoring. GASTROENTEROLOGY vol. 134, (4) A594-A594.

Lazarescu A, Bisschops R, Demedts I, Tack JF, Tytgat GN, Sifrim D(2008). Weakly acidic gastroesophageal reflux: Further characterization with impedance-double pH monitoring. GASTROENTEROLOGY vol. 134, (4) A594-A595.

Fornari F, Bravi I, Penagini R, Tack JF, Sifrim D(2008). Yield of multiple rapid swallowing (MRS) as a complementary test during standard esophageal manometry. GASTROENTEROLOGY vol. 134, (4) A725-A726.

Sifrim D, Fornari F(2008). Esophageal impedance-pH monitoring. Dig Liver Dis vol. 40, (3) 161-166.

Farré R, Sifrim D(2008). Regulation of basal tone, relaxation and contraction of the lower oesophageal sphincter. Relevance to drug discovery for oesophageal disorders. Br J Pharmacol vol. 153, (5) 858-869.

Mertens V, Blondeau K, Vanaudenaerde BM, Vos R, Van Raemdonck DE, Verleden GM, Dupont LJ, Sifrim D (2008). Azithromycin red uces bile acid aspiration in lung transplant recipients. JOURNAL OF HEART AND LUNG TRANSPLANTATION. vol. 27, S124-S124.

Vos R, Blondeau K, Mertens V, Vanaudenaerde BM, Sifrim D, Verleden GM, Dupont LJ (2008). Is airway colonization by P. aeruginosa associated with bile acid aspiration after lung transplantation?. JOURNAL OF HEART AND LUNG TRANSPLANTATION. vol. 27, S124-S125.

Mertens V, Blondeau K, Vanaudenaerde BM, Vos R, Van Raemdonck DE, Verleden GM, Sifrim D, Dupont LJ (2008). Pepsin or bile acids: What is the best marker of gastric aspiration in lung transplant recipients?. JOURNAL OF HEART AND LUNG TRANSPLANTATION. vol. 27, S125-S126.

Lerut T, Blondeau K, Sifrim D, Coosemans W, Decaluwe H, Decker G, De Leyn P, Nafteux P et al. (2008). Lung Transplantation and Gastroesophageal Reflux. PROCEEDINGS OF THE 11TH WORLD CONGRESS OF THE INTERNATIONAL SOCIETY FOR DISEASES OF THE ESOPHAGUS. 47-50.

Fornari F, Blondeau K, Durand L, Rey E, Diaz-Rubio M, De Meyer A, Tack J, Sifrim D(2007). Relevance of mild ineffective oesophageal motility (IOM) and potential pharmacological reversibility of severe IOM in patients with gastro-oesophageal reflux disease. Aliment Pharmacol Ther vol. 26, (10) 1345-1354.

Arts J, Holvoet L, Caenepeel P, Bisschops R, Sifrim D, Verbeke K, Janssens J, Tack J(2007). Clinical trial: a randomized-controlled crossover study of intrapyloric injection of botulinum toxin in gastroparesis. Aliment Pharmacol Ther vol. 26, (9) 1251-1258.

Farré R, De Vos R, Geboes K, Verbecke K, Vanden Berghe P, Depoortere I, Blondeau K, Tack J et al.(2007). Critical role of stress in increased oesophageal mucosa permeability and dilated intercellular spaces. Gut vol. 56, (9) 1191-1197.

Arts J, Sifrim D, Rutgeerts P, Lerut A, Janssens J, Tack J(2007). Influence of radiofrequency energy delivery at the gastroesophageal junction (the Stretta procedure) on symptoms, acid exposure, and esophageal sensitivity to acid perfusion in gastroesophagal reflux disease. Dig Dis Sci vol. 52, (9) 2170-2177.

Karamanolis G, Sifrim D(2007). Developments in pathogenesis and diagnosis of gastroesophageal reflux disease. Curr Opin Gastroenterol vol. 23, (4) 428-433.

Conchillo JM, Schwartz MP, Selimah M, Samsom M, Arts J, Tack J, Sifrim D, Smout AJPM(2007). Role of intra-oesophageal impedance monitoring in the evaluation of endoscopic gastroplication for gastro-oesophageal reflux disease. Aliment Pharmacol Ther vol. 26, (1) 61-68.

Emerenziani S, Cicala M, Zhang X, Ribolsi M, Caviglia R, Guarino MPL, Sifrim D(2007). Effect of oesophagitis on proximal extent of gastro-oesophageal reflux. Neurogastroenterol Motil vol. 19, (6) 459-464.

Sifrim D, Mittal R, Fass R, Smout A, Castell D, Tack J, Gregersen H(2007). Review article: acidity and volume of the refluxate in the genesis of gastro-oesophageal reflux disease symptoms. Aliment Pharmacol Ther vol. 25, (9) 1003-1017.

Arts J, Bisschops R, Caenepeel P, Sifrim D, Holvoet L, Verbeke K, Janssens J, Tack JF (2007). A placebo-controlled cross-over study of intrapyloric injection of botulinurn toxin in diabetic or postsurgical gastroparesis. GASTROENTEROLOGY. vol. 132, A113-A113.

Fornari F, Blondeau K, Durand L, Rey E, Rubio MD, Tack J, Sifrim D (2007). Different degrees of ineffective esophageal motility in patients with GERD: Impact on esophageal acid exposure and pharmacological reversibility. GASTROENTEROLOGY. vol. 132, A281-A281.

Karamanolis G, Fornari F, Vos R, Tack J, Clave P, Sifrim D (2007). Esophageal tone and sensation in the transition zone between proximal striated and distal smooth muscle esophagus. GASTROENTEROLOGY. vol. 132, A583-A583.

Rommel N, Tack J, Sifrim D (2007). Improved diagnosis of rumination using impedance-manometry. GASTROENTEROLOGY. vol. 132, A594-A594.

Fornari F, Blondeau K, Tack J, Sifrim D (2007). Nocturnal gastroesophageal reflux (Nger) revisited with impedance-pH monitoring. GASTROENTEROLOGY. vol. 132, A280-A280.

Kindt S, Imschoot J, Sifrim D, Tack JF (2007). Prevalence of and impact of pantoprazole on nocturnal reflux symptoms in primary and secondary care oesophagitis patients in Belgium. GASTROENTEROLOGY. vol. 132, A485-A485.

De Wulf D, Bisschops R, Sifrim D, Vos R, Tack J (2007). Relationship between postprandial acid and bile pocket at the gastro-esophageal junction and the lower oesophageal sphincter. GASTROENTEROLOGY. vol. 132, A278-A279.

Farre R, Van Malenstein H, Vanden Berghe P, De Vos R, Geboes K, Depoortere I, Tack J, Sifrim D (2007). Short exposure of non-erosioned esophageal mucosa to bile acids is associated with strong increase of esophageal mucosa permeability and dilated intercellular spaces (Dis). GASTROENTEROLOGY. vol. 132, A275-A275.

Blondeau K, Mertens V, Vanaudenaerde B, Verleden G, Van Raemdonck D, Dupont L, Sifrim D (2007). The macrolide antibiotic azithromycin reduces gastroesophageal reflux in lung transplant patients. GASTROENTEROLOGY. vol. 132, A594-A594.

Arts J, Holvoet L, Bisschops R, Caenepeel P, Hubert P, Bourgeois S, Dewulf D, Sifrim D et al. (2007). Treatment of postoperative dumping syndrome with the long-acting somatostatin analogue octreotide L.a.R. GASTROENTEROLOGY. vol. 132, A639-A639.

Blondeau K, Mertens V, Vanaudenaerde B, Verleden G, Van Raemdonck D, Dupont L, Sifrim D (2007). Weakly acidic reflux and gastric aspiration after lung transplant. GASTROENTEROLOGY. vol. 132, A479-A479.

Blondeau K, Mertens V, Dupont L, Hauser B, Malfroot A, Yvan V, Sifrim D (2007). Weakly acidic reflux and gastric aspiration in patients with cystic fibrosis. GASTROENTEROLOGY. vol. 132, A481-A481.

Farre R, Van Malenstein H, De Vos R, Geboes K, Vanden Berghe P, Depoortere I, Tack J, Sifrim D (2007). Weakly acidic solutions containing pepsin and bile acids can increase significantly esophageal mucosa permeability. GASTROENTEROLOGY. vol. 132, A274-A275.

Blondeau K, Dupont LJ, Mertens V, Tack J, Sifrim D(2007). Improved diagnosis of gastro-oesophageal reflux in patients with unexplained chronic cough. Aliment Pharmacol Ther vol. 25, (6) 723-732.

Blondeau K, Mertens V, Vanaudenaerde BM, van Raemdonck DE, Verleden GM, Sifrim D, Dupont LJ(2007). Effect of azithromycin on gastroesophageal reflux (acid-non acid) and pepsin in BALF of lung transplant patients. J HEART LUNG TRANSPL vol. 26, (2) S139-S140.

Blondeau K, Mertens V, Vanaudenaerde BM, Van Raemdonck DE, Verleden GM, Sifrim D, Dupont LJ(2007). Elevated levels of pepsin in ralf of lung transplant recipients with and without allograf dysfunction: Is gastric aspiration important in the development of bos?. J HEART LUNG TRANSPL vol. 26, (2) S102-S103.

Blondeau K, Mertens V, Vanaudenaerde BM, van Raemdonck DE, Verleden GM, Sifrim D, Dupont LJ(2007). Lung transplant recipients with nocturnal reflux have an increased risk of gastric aspiration, irrespective of the presence of BOS. J HEART LUNG TRANSPL vol. 26, (2) S141-S141.

Fornari F, Sifrim D(2007). Gastroesophageal reflux and atypical symptoms: the role of impedance-pH monitoring. Digestion vol. 76, (3-4) 221-222.

Sifrim D, Fornari F(2007). Non-achalasic motor disorders of the oesophagus. Best Pract Res Clin Gastroenterol vol. 21, (4) 575-593.

Mainie I, Tutuian R, Shay S, Vela M, Zhang X, Sifrim D, Castell DO(2006). Acid and non-acid reflux in patients with persistent symptoms despite acid suppressive therapy: a multicentre study using combined ambulatory impedance-pH monitoring. Gut vol. 55, (10) 1398-1402.

Zerbib F, Roman S, Ropert A, des Varannes SB, Pouderoux P, Chaput U, Mion F, Vérin E et al.(2006). Esophageal pH-impedance monitoring and symptom analysis in GERD: a study in patients off and on therapy. Am J Gastroenterol vol. 101, (9) 1956-1963.

López-Alonso M, Moya MJ, Cabo JA, Ribas J, del Carmen Macías M, Silny J, Sifrim D(2006). Twenty-four-hour esophageal impedance-pH monitoring in healthy preterm neonates: rate and characteristics of acid, weakly acidic, and weakly alkaline gastroesophageal reflux. Pediatrics vol. 118, (2) e299-e308.

Arts J, Caenepeel P, Holvoet L, Sifrim D, Dewulf D, Kristien V, Janssens J, Tack J (2006). A sham-controlled study of Intra-PYLORIC injection of botulinum toxin in gastroparesis. GASTROENTEROLOGY. vol. 130, A431-A431.

Arts J, Caenepeel P, Devos R, Holvoet L, Sifrim D, Lerut T, Rutgeerts P, Janssens J et al. (2006). A sham-controlled study of the influence of radiofrequency delivery (the stretta procedure) on symptoms, acid exposure and distensibility of the gastro-oesophageal junction in GORD patients. GASTROENTEROLOGY. vol. 130, A635-A635.

Bisschops R, Sifrim D, De Greef T, Vos R, Janssens J, Tack J (2006). A study of bile exposure immediately above the gastro-oesophageal junction in GERD patients. GASTROENTEROLOGY. vol. 130, A402-A402.

Aprile LR, Bento LA, Dantas RO, Sifrim D, Silni J, de Oliveira RB (2006). Accuracy of esophageal impedance in the evaluation of esophageal function in patients with systemic sclerosis. GASTROENTEROLOGY. vol. 130, A577-A577.

Blondeau K, Dupont L, Tack J, Janssens J, Sifrim D (2006). Acid and non-acid reflux after lung transplantation. Impedance-pH monitoring in patients with and without post-transplant chronic rejection. GASTROENTEROLOGY. vol. 130, A629-A629.

Blondeau K, Dupont L, Tack J, Janssens J, Sifrim D (2006). Acid and weakly acidic reflux in 80 patients with unexplained chronic cough: An update. GASTROENTEROLOGY. vol. 130, A629-A629.

Zerbib F, Roman S, Ropert A, des Varannes SB, Pouderoux P, Chaput U, Mion F, Galmiche JP et al. (2006). Association between non acid reflux and symptoms. Multicenter ambulatory 24-hour pH-impedance study in 150 patients off and on proton pump inhibitors (PPI) therapy. GASTROENTEROLOGY. vol. 130, A164-A164.

Van Wijk MP, Sifrim D, Rommel N, Benninga MA, Davidson GP, Omari T (2006). Characterisation of intraluminal impedance patterns associated with gas reflux (belching) in healthy volunteers. GASTROENTEROLOGY. vol. 130, A116-A116.

Blondeau K, Mertens V, Dupont L, Tack J, Holloway RH, Sifrim D (2006). Characteristics of acid and weakly acidic reflux temporally related to cough. GASTROENTEROLOGY. vol. 130, A634-A634.

Marti RF, Vanden Berghe P, Blondeau K, Tack J, Janssens J, Sifrim D (2006). Critical role of stress in increased esophageal mucosal permeability induced by acid and pepsin. GASTROENTEROLOGY. vol. 130, A56-A57.

Emerenziani S, Cicala M, Zhang X, Ribolsi M, Caviglia R, Guarino MPL, Sifrim D (2006). Determinants of proximal extent of gastroesophageal reflux: Esophagitis, acidity and viscosity of the refluxate. GASTROENTEROLOGY. vol. 130, A399-A399.

Bisschops R, Sifrim D, Vos R, Janssens J, Tack J (2006). Identification of sonic and Indian hedgehog activity during small intestine morphogenesis. GASTROENTEROLOGY. vol. 130, A15-A15.

Kindt S, Vos R, Sifrim D, Janssens J, Tack J (2006). Influence of intra-esophageal capsaicin instillation on heartburn induction and desensitisation in man. GASTROENTEROLOGY. vol. 130, A392-A392.

Bisschops R, Sifrim D, Vos R, Janssens J, Tack J (2006). Is the postprandial acid pocket at the gastro-esophageal junction associated with a bile pocket?. GASTROENTEROLOGY. vol. 130, A400-A400.

Kammanolis G, Lerut T, Silny J, Tack J, Sifrim D (2006). One to one relationship between esophageal contractions, bolus transit and perception of dysphagia in healthy subjects and patients with GERD. GASTROENTEROLOGY. vol. 130, A393-A394.

Dupont L, Blondeau K, Sifrim D(2006). Reflux associated cough is usually not associated with reflux: role of reduced cough threshold - Response. GUT vol. 55, (4) 583-584.

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Sifrim D, Blondeau K, Emerenziani S, Tack J, Gale J, Janssens J, Silny J (2006). Relationship between acidity of gastroesophageal reflux, acidity of gastric content and gastric emptying. effect of erythromycin. GASTROENTEROLOGY. vol. 130, A396-A396.

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Sifrim D, Blondeau K(2006). Technology insight: The role of impedance testing for esophageal disorders. Nat Clin Pract Gastroenterol Hepatol vol. 3, (4) 210-219.

Broekaert D, Fischler B, Sifrim D, Janssens J, Tack J(2006). Influence of citalopram, a selective serotonin reuptake inhibitor, on oesophageal hypersensitivity: a double-blind, placebo-controlled study. Aliment Pharmacol Ther vol. 23, (3) 365-370.

Dupont LJ, Blondeau K, Sifrim D, Van Raemdonck DM, Verleden GM(2006). Is gastro-oesophageal reflux more frequent in lung transplant patients with chronic rejection?. J HEART LUNG TRANSPL vol. 25, (2) S84-S84.

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Sifrim D, Blondeau K(2006). New techniques to evaluate esophageal function. Dig Dis vol. 24, (3-4) 243-251.

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Emerenziani S, Sifrim D(2005). New developments in detection of gastroesophageal reflux. Curr Opin Gastroenterol vol. 21, (4) 450-453.

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Zhang X, Geboes K, Depoortere I, Tack J, Janssens J, Sifrim D(2005). Effect of repeated cycles of acute esophagitis and healing on esophageal peristalsis, tone, and length. Am J Physiol Gastrointest Liver Physiol vol. 288, (6) G1339-G1346.

Emerenziani S, Zhang X, Blondeau K, Silny J, Tack J, Janssens J, Sifrim D(2005). Gastric fullness, physical activity, and proximal extent of gastroesophageal reflux. Am J Gastroenterol vol. 100, (6) 1251-1256.

Emerenziani S, Sifrim D(2005). Gastroesophageal reflux and gastric emptying, revisited. Curr Gastroenterol Rep vol. 7, (3) 190-195.

Alonso ML, Moya MJ, Cabo JA, Ribas J, Macias MD, Silny J, Sifrim D (2005). 24-h esophageal ph-impedance monitoring in healthy preterm neonates. Normal values for acid, weakly acidic and alkaline gastroesophageal reflux. GASTROENTEROLOGY. vol. 128, A395-A395.

Zerbib F, des Varannes SB, Roman S, Pouderoux P, Verin E, Artigue F, Chaput U, Caillol F et al. (2005). 24-hour ambulatory esophageal multichannel intraluminal impedance-pH in healthy European subjects: Normal values for acid, weakly acidic and weakly alkaline gastro-esophageal reflux. GASTROENTEROLOGY. vol. 128, A396-A396.

Sifrim D, Tack J, Arts J, Caenepeel P, Zhang X, Silny J, Rydholm H, Janssens J (2005). Baclofen reduces weakly acidic reflux in ambulant patients with GERD. GASTROENTEROLOGY. vol. 128, A531-A531.

Emerenziani S, Zhang X, Blondeau K, Silny J, Tack J, Janssens J, Sifrim D (2005). Determinants of proximal extent of gastroesophageal reflux: Gastric fullness and physical activity. GASTROENTEROLOGY. vol. 128, A518-A519.

Arts J, Caenepeel P, Sifrim D, Lerut T, Rutgeerts P, Janssens J, Tack J (2005). Long-term follow up of endoluminal anti-reflux procedures for GERD: Single-center experience with 3 procedures. GASTROINTESTINAL ENDOSCOPY. vol. 61, AB127-AB127.

Hulselmans M, Sifrim D, Coosemans W, Lerut T, Janssens J, Tack J (2005). Long-term outcome of achalasia therapy with pneumatic dilation first in a tertiary care center. GASTROENTEROLOGY. vol. 128, A409-A409.

Emerenziani S, Cicala M, Zhang X, Blondeau K, Silny J, Tack J, Janssens J, Sifrim D (2005). Measuring proximal gastroesophageal reflux: Head to head comparison between multiple ph and multiple impedance. GASTROENTEROLOGY. vol. 128, A393-A393.

Koek GH, Vos R, Sifrim D, Cuomo R, Janssens J, Tack J(2005). Mechanisms underlying duodeno-gastric reflux in man. Neurogastroenterol Motil vol. 17, (2) 191-199.

Blondeau K, Dupont L, Zhang X, Tack J, Janssens J, Sifrim D (2005). Patients with chronic cough not responding to standard PPI therapy may have persisting cough associated with weakly acidic reflux. GASTROENTEROLOGY. vol. 128, A389-A389.

Arts J, Vos R, Gebruers K, Sifrim D, Lerut T, Rutgeerts P, Janssens J, Tack J (2005). Radiofrequency delivery (the Stretta procedure) reduces the distensibility of the gastro-esophageal junction in GERD patients. GASTROENTEROLOGY. vol. 128, A46-A46.

Zhang X, Geboes K, Depoortere I, Tack J, Janssens J, Sifrim D (2005). Repeated acute esophagitis, patterns of inflammation and esophageal dysmotility. GASTROENTEROLOGY. vol. 128, A522-A522.

Emerenziani S, Cicala M, Zhang X, Blondeau K, Silny J, Tack J, Janssens J, Sifrim D (2005). Weakly acidic reflux in endoscopy negative reflux disease. GASTROENTEROLOGY. vol. 128, A519-A519.

Sifrim D, Dupont L, Blondeau K, Zhang X, Tack J, Janssens J(2005). Weakly acidic reflux in patients with chronic unexplained cough during 24 hour pressure, pH, and impedance monitoring. Gut vol. 54, (4) 449-454.

Karamanolis G, Vanuytsel T, Arts J, Sifrim D, Caenepeel P, Bisschops R, Janssens J, Tack J (2005). Yield of 24 hour esophageal ph monitoring and bilitec monitoring in patients with persisting symptoms on PPI therapy. GASTROENTEROLOGY. vol. 128, A393-A393.

Nind G, Chen W-H, Protheroe R, Iwakiri K, Fraser R, Young R, Chapman M, Nguyen N et al.(2005). Mechanisms of gastroesophageal reflux in critically ill mechanically ventilated patients. Gastroenterology vol. 128, (3) 600-606.

Sifrim D, Tutuian R(2005). Oesophageal intraluminal impedance can identify subtle bolus transit abnormalities in patients with mild oesophagitis. Eur J Gastroenterol Hepatol vol. 17, (3) 303-305.

Arts J, Lerut T, Rutgeerts P, Sifrim D, Janssens J, Tack J(2005). A one-year follow-up study of endoluminal gastroplication (Endocinch) in GERD patients refractory to proton pump inhibitor therapy. Dig Dis Sci vol. 50, (2) 351-356.

Sifrim D(2005). Relevance of volume and proximal extent of reflux in gastro-oesophageal reflux disease. Gut vol. 54, (2) 175-178.

Sifrim D (2005). Motility of the esophageal body in gastroesophageal reflux disease. Functional Disorders of the Gastrointestinal Tract. Editors: Krause, G, Malagelada, JR, Preuschoff, U, vol. 3, 43-47.

Bredenoord AJ, Weusten BLAM, Sifrim D, Timmer R, Smout AJPM(2004). Aerophagia, gastric, and supragastric belching: a study using intraluminal electrical impedance monitoring. Gut vol. 53, (11) 1561-1565.

Sarnelli G, Sifrim D, Janssens J, Tack J(2004). Influence of sildenafil on gastric sensorimotor function in humans. Am J Physiol Gastrointest Liver Physiol vol. 287, (5) G988-G992.

Sifrim D, Zhang X(2004). Pathophysiology of GERD in China: the same factors at a lower scale. Am J Gastroenterol vol. 99, (11) 2094-2097.

Lee K-J, Demarchi B, Demedts I, Sifrim D, Raeymaekers P, Tack J(2004). A pilot study on duodenal acid exposure and its relationship to symptoms in functional dyspepsia with prominent nausea. Am J Gastroenterol vol. 99, (9) 1765-1773.

Sifrim D(2004). Acid, weakly acidic and non-acid gastro-oesophageal reflux: differences, prevalence and clinical relevance. Eur J Gastroenterol Hepatol vol. 16, (9) 823-830.

Sifrim D, Castell D, Dent J, Kahrilas PJ(2004). Gastro-oesophageal reflux monitoring: review and consensus report on detection and definitions of acid, non-acid, and gas reflux. Gut vol. 53, (7) 1024-1031.

Tack J, Koek G, Demedts I, Sifrim D, Janssens J(2004). Gastroesophageal reflux disease poorly responsive to single-dose proton pump inhibitors in patients without Barrett's esophagus: acid reflux, bile reflux, or both?. Am J Gastroenterol vol. 99, (6) 981-988.

Shay S, Tutuian R, Sifrim D, Vela M, Wise J, Balaji N, Zhang X, Adhami T et al.(2004). Twenty-four hour ambulatory simultaneous impedance and pH monitoring: a multicenter report of normal values from 60 healthy volunteers. Am J Gastroenterol vol. 99, (6) 1037-1043.

Janssen P, Tack J, Sifrim D, Meulemans AL, Lefebvre RA(2004). Influence of 5-HT1 receptor agonists on feline stomach relaxation. Eur J Pharmacol vol. 492, (2-3) 259-267.

Di Stefano M, Vos R, Sifrim D, Janssens J, Tack J (2004). Effect of buspirone, a 5HT1A receptor agonist, on oesophageal peristalsis and lower oesophageal sphincter function in healthy volunteers. GASTROENTEROLOGY. vol. 126, A638-A638.

Zhang X, Tack J, Janssens J, Sifrim D (2004). Effect of repeated induction of experimental esophagitis on esophageal peristalsis, tone and shortening. GASTROENTEROLOGY. vol. 126, A6-A6.

Bredenoord AJ, Weusten BL, Sifrim D, Timmer R, Smout AJPM (2004). Gastric and supragastric belching. A study using intraluminal electrical impedance monitoring. GASTROENTEROLOGY. vol. 126, A26-A27.

Sifrim D, Gardner JD, Zhang X, Tack J, Janssens J (2004). Gastric emptying and postprandial gastric acidity. GASTROENTEROLOGY. vol. 126, A500-A500.

Lee KJ, Demedts I, Caenepeel P, Sifrim D, Janssens J, Tack J (2004). Relationship between increased duodenal acid exposure and dyspeptic symptoms in functional dyspepsia. GASTROENTEROLOGY. vol. 126, A484-A484.

Sifrim D, Verfaillie M, Flamen P, Tack J, Silny J, Janssens J (2004). Simultaneous assessment of gastric emptying, postprandial gastric acid secretion and acid or weakly acidic gastroesophageal reflux. GASTROENTEROLOGY. vol. 126, A497-A497.

Sifrim D, Verfaillie M, Flamen P, Tack J, Silny J, Janssens J (2004). The acidity of postprandial gastroesophageal reflux is determined by the rate of gastric emptying. GASTROENTEROLOGY. vol. 126, A500-A500.

Shay S, Tutuian R, Sifrim D, Vela M, Zhang X, Castell D (2004). Twenty-four hour impedance and pH monitoring (24-hr Imp-pH) in the evaluation of GERD patients with persistent symptoms despite bid proton pump inhibitors (PPI): A multicenter study. GASTROENTEROLOGY. vol. 126, A324-A324.

Blondeau K, Dupont L, Tack J, Janssens J, Sifrim D (2004). Weakly acidic and non-acid gastroesophageal reflux may induce chronic cough. GASTROENTEROLOGY. vol. 126, A99-A99.

Koek GH, Vos R, Flamen P, Sifrim D, Lammert F, Vanbilloen B, Janssens J, Tack J(2004). Oesophageal clearance of acid and bile: a combined radionuclide, pH, and Bilitec study. Gut vol. 53, (1) 21-26.

Koek GH, Sifrim D, Lerut T, Janssens J, Tack J(2003). Effect of the GABA(B) agonist baclofen in patients with symptoms and duodeno-gastro-oesophageal reflux refractory to proton pump inhibitors. Gut vol. 52, (10) 1397-1402.

Tack J, Bisschops R, Koek G, Sifrim D, Lerut T, Janssens J(2003). Dietary restrictions during ambulatory monitoring of duodenogastroesophageal reflux. Dig Dis Sci vol. 48, (7) 1213-1220.

Simrén M, Silny J, Holloway R, Tack J, Janssens J, Sifrim D(2003). Relevance of ineffective oesophageal motility during oesophageal acid clearance. Gut vol. 52, (6) 784-790.

Zerbib F, Sifrim D(2003). Recording intra-esophageal impedance in gastro-esophageal reflux disease: results and perspectives. GASTROEN CLIN BIOL vol. 27, (5) 451-454.

Zerbib F, Sifrim D(2003). [Measurement of esophageal impedance in gastro-esophageal reflux disease: results and perspectives]. Gastroenterol Clin Biol vol. 27, (5) 451-454.

Zhang X, Tack J, Janssens J, Sifrim D (2003). Acid and non-acid gastroesophageal reflux after endoscopic gastroplication. Evaluation of the antireflux barrier function with 24hs-pH-impedance. GASTROENTEROLOGY. vol. 124, A97-A97.

Sifrim D, Tack J, Janssens J (2003). Ambulatory continuous monitoring of esophageal shortening in man preliminary observations in patients with chest pain. GASTROENTEROLOGY. vol. 124, A121-A122.

Vela MF, Tututan RI, Sifrim D, Shay SSS, Zhang X, Castell DO (2003). Comparison of pH-metry versus combined multichannel intraluminal impedance and pH (MII-pH) for symptom association studies in symptomatic acid suppressed GERD patients. GASTROENTEROLOGY. vol. 124, A542-A542.

Zhang X, Silny J, Tack J, Janssens J, Sifrim D (2003). Effect of acute esophagitis on basal esophageal intraluminal electrical impedance. GASTROENTEROLOGY. vol. 124, A534-A534.

Zhang X, Tack J, Janssens J, Sifrim D (2003). Esophageal shortening associated to acid-induced esophagitis is reversible. GASTROENTEROLOGY. vol. 124, A412-A412.

Dantas R, Hara S, Oliveira R, Aprile L, Sifrim D (2003). Esophageal volume clearance can be accurately assessed with intraluminal electrical impedance. GASTROENTEROLOGY. vol. 124, A538-A538.

Nind G, Chen WH, Iwakiri K, Zou DW, Fraser RJ, Young R, Sifrim D, Rigda R et al. (2003). Mechanisms of gastroesophageal reflux in critically ill mechanically-ventilated patients. GASTROENTEROLOGY. vol. 124, A54-A55.

Shay S, Sifrim D, Tutuian R, Zhang X, Vela M, Castell DO (2003). Multichannel intraluminal impedance (MII) in the evaluation of patients with persistent GERD symptoms despite proton pump inhibitors (PPI): A multicenter study. GASTROENTEROLOGY. vol. 124, A537-A537.

Arts J, Van Olmen A, D'Haens G, Sifrim D, Lerut A, Rutgeerts P, Janssens J, Tack J (2003). Radiofrequency delivery at the gastroesophageal junction in GERD improves acid exposure and symptoms and decreases esophageal sensitivity to acid infusion. GASTROENTEROLOGY. vol. 124, A19-A19.

Iwakiri K, Nind G, Zou DW, Sifrim D, Rigda R, Dent J, Holloway RH (2003). Regional variations in postprandial gastric pH and their relationship to acid reflux in healthy volunteers. GASTROENTEROLOGY. vol. 124, A412-A412.

Simren M, Silny J, Holloway RH, Tack J, Janssens J, Sifrim D (2003). Relevance of ineffective esophageal motility (IEM) during esophageal acid clearance. GASTROENTEROLOGY. vol. 124, A54-A54.

Dantas R, Aprile T, Hara S, Oliveira R, Sifrim D (2003). Saliva transport to the distal esophagus: Role of peristalsis and gravity. GASTROENTEROLOGY. vol. 124, A536-A536.

Tack J, Vantrappen G, Huyberechts G, Sifrim D, Janssens J, Van Overstraeten R(2003). Validation of a new method of measuring esophageal acid exposure: comparison with 24-hour pH monitoring. Dig Dis Sci vol. 48, (1) 16-21.

Vantrappen G, Tack J, Huyberechts G, Sifrim D, Geboes K, Janmsens J, Van Overstraeten R(2002). Studies on the relationship between esophageal acid exposure, mucosal lesions and heartburn using an acid exposure sensor. Scand J Gastroenterol vol. 37, (11) 1253-1258.

Sifrim D, Zerbib F(2002). Gastroesophageal reflux disease. Curr Opin Gastroenterol vol. 18, (4) 447-453.

Sifrim D, Tack J, Zhang X, Huysmans W, Janssens J(2002). Continuous monitoring of esophageal shortening in man during swallowing, transient LES relaxations and intraesophageal acid perfusion. GASTROENTEROLOGY vol. 122, (4) A188-A188.

Fierens C, Zhang X, Holloway R, Silny J, Tack J, Janssens J, Sifrim D(2002). Correlation between patterns of postprandial gastro-esophageal reflux (acid and non-acid) and meal-induced neutralization of gastric contents in patients with GERD. GASTROENTEROLOGY vol. 122, (4) A417-A417.

Arts J, Slootmaekers S, Sifrim D, Lerut T, Gevers A, Rutgeerts P, Janssens J, Tack J(2002). Endoluminal gastroplication (Endocinch (R)) in GERD patients refractory to PPI therapy. GASTROENTEROLOGY vol. 122, (4) A47-A48.

Koek G, Vos R, Flamen P, Sifrim D, Janssens J, Tack J(2002). Esophageal clearance of acid and bile: A combined radionuclide, pH and Bilitec study. GASTROENTEROLOGY vol. 122, (4) A420-A420.

Zhang X, Durand L, Geboes K, Tack J, Janssens J, Sifrim D(2002). Failure of the antireflux barrier is not enough to produce reflux esophagitis. GASTROENTEROLOGY vol. 122, (4) A416-A416.

Sifrim D, Tack J, Holloway R, Silny J, Janssens J(2002). Heartburn during ambulatory 24-hs pH-impedance recordings in patients with reflux disease "off" medication. GASTROENTEROLOGY vol. 122, (4) A51-A51.

Durand L, Tack J, Janssens J, Sifrim D(2002). Ineffective esophageal motility in patients with reflux esophagitis is due to impaired cholinergic stimulation. GASTROENTEROLOGY vol. 122, (4) A417-A417.

Sifrim D, Holloway R, Silny J, Zhang X, Tack J, Janssens J(2002). Patients with gastroesophageal reflux disease have a selective increase of acid reflux when they have their habitual meals during 24-hr ambulatory pH-impedance recordings. GASTROENTEROLOGY vol. 122, (4) A417-A418.

Tack J, Lee K, Sifrim D, Janssens J(2002). Prevalence and symptomatic impact of non-erosive reflux disease in functional dyspepsia. GASTROENTEROLOGY vol. 122, (4) A102-A102.

Zhang X, Fierens C, Tack J, Janssens J, Sifrim D(2002). Resting tone in the esophageal body: In vivo assessment of neural excitatory and inhibitory modulation. GASTROENTEROLOGY vol. 122, (4) A190-A190.

Demarchi B, Lee K, Degreef A, Vos R, Sifrim D, Janssens J, Tack J(2002). Role of duodenal acid exposure in functional dyspepsia symptoms. GASTROENTEROLOGY vol. 122, (4) A560-A560.

Tack J, Sifrim D(2002). Anti-relaxation therapy in GORD. Gut vol. 50, (1) 6-7.

Cuomo R, Grasso R, Sarnelli G, Bruzzese D, Bottiglieri ME, Alfieri M, Sifrim D, Budillon G(2001). Role of diaphragmatic crura and lower esophageal sphincter in gastroesophageal reflux disease: manometric and pH-metric study of small hiatal hernia. Dig Dis Sci vol. 46, (12) 2687-2694.

Sifrim D, Holloway R(2001). Transient lower esophageal sphincter relaxations: how many or how harmful?. Am J Gastroenterol vol. 96, (9) 2529-2532.

Koek GH, Tack J, Sifrim D, Lerut T, Janssens J(2001). The role of acid and duodenal gastroesophageal reflux in symptomatic GERD. Am J Gastroenterol vol. 96, (7) 2033-2040.

Sifrim D, Holloway R, Silny J, Xin Z, Tack J, Lerut A, Janssens J(2001). Acid, nonacid, and gas reflux in patients with gastroesophageal reflux disease during ambulatory 24-hour pH-impedance recordings. Gastroenterology vol. 120, (7) 1588-1598.

Sifrim D, Vela MF, Holloway RH, Tack J, Janssens J(2001). Clearance of acid and non-acid gastroesophageal reflux during 24-hr ambulatory pH-impedance recordings. GASTROENTEROLOGY vol. 120, (5) A631-A631.

Sifrim D, Holloway RH, Silny J, Tack J, Janssens J(2001). Do patients with reflux disease have more gastroesophageal reflux episodes than healthy subjects? Acid and non-acid reflux during 24-hr ambulatory pH-impedance recordings. GASTROENTEROLOGY vol. 120, (5) A112-A112.

Zhang X, Meulemans ALG, Tack J, Janssens J, Sifrim D(2001). Effect of baclofen on gastric-distension-induced transient LES relaxations and gastroesophageal reflux in cats. GASTROENTEROLOGY vol. 120, (5) A220-A221.

Sarnelli G, Vos R, Sifrim D, Janssens J, Tack J(2001). Influence of sildenafil on fasting and postprandial gastric tone in man. GASTROENTEROLOGY vol. 120, (5) A285-A286.

Sifrim D, Holloway RH, Silny J, Tack J, Janssens J(2001). Non-acid gastroesophageal reflux. GASTROENTEROLOGY vol. 120, (5) A423-A423.

George C, Caenepeel P, Gevers AM, Rutgeerts P, Sifrim D, Lerut T, Tack J(2001). Pneumatic dilation for severe post-Nissen dysphagia: A prospective follow-up study. GASTROINTEST ENDOSC vol. 53, (5) AB142-AB142.

Sifrim D, Lefebvre R(2001). Role of nitric oxide during swallow-induced esophageal shortening in cats. Dig Dis Sci vol. 46, (4) 822-830.

Koek G, Sifrim D, Degreef T, Janssens J, Tack J(2001). The GABA(B) agonist baclofen reduces duodeno-gastro-esophageal reflux (DGER) and symptoms in patients with reflux disease refractory to proton pump inhibitor therapy. GASTROENTEROLOGY vol. 120, (5) A34-A34.

Broekaert D, Vos R, Sifrim D, Janssens J, Fischler B, Tack J(2001). The influence of citalopram, a selective serotonin reuptake inhibitor, on esophageal sensitivity and motility in man. GASTROENTEROLOGY vol. 120, (5) A629-A629.

Sifrim D, Holloway R, Silny J, Tack J, Lerut A, Janssens J(2001). Composition of the postprandial refluxate in patients with gastroesophageal reflux disease. Am J Gastroenterol vol. 96, (3) 647-655.

Cuomo R, Koek G, Sifrim D, Janssens J, Tack J(2000). Analysis of ambulatory duodenogastroesophageal reflux monitoring. DIGEST DIS SCI vol. 45, (12) 2463-2469.

Tack J, Sifrim D (2000). New techniques for the detection of gastro-oesophageal reflux. DIGESTIVE AND LIVER DISEASE. vol. 32, S245-S248.