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Research

Publications: Dr Nikolaos Malliaropoulos

Sasaki E, Ikumi A, Sakuyama N, Malliaropoulos N, Mikami Y, Nagahiro S ( 2022 ) . High-rate settlement and unconsciousness with shime-waza in young judo athletes from a video analytic study in Judo World Championships . Journal of Science and Medicine in Sport vol. 25 , ( 11 ) 942 - 947 .
Lambert C, Ritzmann R, Lambert S, Lachmann D, Malliaropoulos NG, Gesslein M, Peters N, Shafizadeh S ( 2022 ) . Prevalence of sport injuries in Olympic combat sports: a cross-sectional study examining one Olympic period . Journal of Sports Medicine and Physical Fitness vol. 62 , ( 11 ) 1496 - 1504 .
Lockhart R, Błach W, Angioi M, Ambroży T, Rydzik Ł, Malliaropoulos N ( 2022 ) . A Systematic Review on the Biomechanics of Breakfall Technique (Ukemi) in Relation to Injury in Judo within the Adult Judoka Population . International Journal of Environmental Research and Public Health vol. 19 , ( 7 )
Lota KS, Błach W, Rydzik Ł, Ambroży T, Angioi M, Malliaropoulos N ( 2022 ) . Video Biomechanical Analysis of Shoulder Impact Kinematics in Tai-Otoshi and Morote-Seoi-Nage Judo Throws: A Cross-Sectional Study . Applied Sciences (Switzerland) vol. 12 , ( 7 )
Lota KS, Malliaropoulos N, Blach W, Kamitani T, Ikumi A, Korakakis V, Maffulli N ( 2022 ) . Rotational head acceleration and traumatic brain injury in combat sports: A systematic review . British Medical Bulletin vol. 141 , ( 1 ) 33 - 46 .
Malliaropoulos N, Bikos G, Tsifountoudis I, Alaseirlis D, Christodoulou D, Padhiar N, Maffulli N ( 2022 ) . Therapeutic ultrasound related pain threshold in elite track & field athletes with tibial bone stress injuries . Surgeon
Kakavas G, Malliaropoulos N, Blach W, Bikos G, Migliorini F, Maffulli N ( 2021 ) . Ball heading and subclinical concussion in soccer as a risk factor for anterior cruciate ligament injury . Journal of Orthopaedic Surgery and Research vol. 16 , ( 1 )
Kakavas G, Malliaropoulos N, Gabbett T, Mitrotasios M, Van Dyk N, Bikos G, Maffulli N ( 2021 ) . A 90 minute soccer match induces eccentric hamstring muscles fatigue . Muscles, Ligaments and Tendons Journal vol. 11 , ( 2 ) 318 - 323 .
Malliaropoulos N, Bikos G, Pyne D, Kakavas G, Maffulli N, Tsaklis P ( 2021 ) . Estimating the dynamic ratio of the lateral/medial hamstrings. A case control study . Muscles, Ligaments and Tendons Journal vol. 11 , ( 2 ) 311 - 317 .
Kakavas G, Malliaropoulos N, Bikos G, Pruna R, Valle X, Tsaklis P, Maffulli N ( 2021 ) . Periodization in Anterior Cruciate Ligament Rehabilitation: A Novel Framework . Medical Principles and Practice vol. 30 , ( 2 ) 101 - 108 .
Błach W, Smolders P, Rydzik Ł, Bikos G, Maffulli N, Malliaropoulos N, Jagiełło W, Maćkała K et al. ( 2021 ) . Judo injuries frequency in Europe’s top-level competitions in the period 2005–2020 . Journal of Clinical Medicine vol. 10 , ( 4 ) 1 - 8 .
Kitridis D, Alaseirlis D, Malliaropoulos N, Chalidis B, McMahon P, Debski R, Givissis P ( 2021 ) . Assessing the accuracy of arthroscopic and open measurements of the size of rotator cuff tears: A simulation-based study . World Journal of Orthopedics vol. 12 , ( 12 ) 983 - 990 .
Blach W, Malliaropoulos N, Rydzik Ł, Bikos G, Litwiniuk A, Grants J, Ambroży T, Maffulli N ( 2021 ) . Injuries at world and european judo tournaments in 2010-2012 . Archives of Budo vol. 17 , 127 - 133 .
Stamos A, Mills S, Malliaropoulos N, Cantamessa S, Dartevelle JL, Gündüz E, Laubmeier J, Hoy J et al. ( 2020 ) . The European Association for Sports Dentistry, Academy for Sports Dentistry, European College of Sports and Exercise Physicians consensus statement on sports dentistry integration in sports medicine . Dental Traumatology vol. 36 , ( 6 ) 680 - 684 .
Kakavas G, Malliaropoulos N, Kaliakmanis A, Georgios B, Maffulli N ( 2020 ) . A ninety-minute football match increases hamstring flexibility in professional players . Journal of Biological Regulators and Homeostatic Agents vol. 34 , ( 5 ) 87 - 92 .
Kakavas G, Malliaropoulos N, Pruna R, Maffulli N ( 2020 ) . Artificial intelligence: A tool for sports trauma prediction . Injury vol. 51 , S63 - S65 .
Kakavas G, Malliaropoulos N, Pruna R, Traster D, Bikos G, Maffulli N ( 2020 ) . Neuroplasticity and Anterior Cruciate Ligament Injury . Indian Journal of Orthopaedics vol. 54 , ( 3 ) 275 - 280 .
Malliaropoulos N, Kaux JF, Le Garrec S, Lohrer H ( 2019 ) . Sports and exercise medicine coming together . British Journal of Sports Medicine vol. 53 , ( 24 ) 1505 - 1506 .
Ikumi A, Sakuyama N, Takatori N, Kamitani T, Miyazaki S, Nimura Y, Maffulli N, Malliaropoulos NG et al. ( 2019 ) . Matside medical aid during judo competition in japan . Muscles, Ligaments and Tendons Journal vol. 9 , ( 4 ) 627 - 634 .
Korakakis V, Saretsky M, Whiteley R, Azzopardi MC, Klauznicer J, Itani A, Sayrafi OA, Giakas G et al. ( 2019 ) . Translation into modern standard Arabic, cross-cultural adaptation and psychometric properties' evaluation of the Lower Extremity Functional Scale (LEFS) in Arabic-speaking athletes with Anterior Cruciate Ligament (ACL) injury . PLoS ONE vol. 14 , ( 6 )
Hernández-Sanchez S, Korakakis V, Malliaropoulos N, Moreno-Perez V ( 2019 ) . Validation study of the Functional Assessment Scale for Acute Hamstring injuries in Spanish professional soccer players . Clinical Rehabilitation vol. 33 , ( 4 ) 711 - 723 .
Lohrer H, Malliaropoulos N, Korakakis V, Padhiar N ( 2019 ) . Exercise-induced leg pain in athletes: diagnostic, assessment, and management strategies . Physician and Sportsmedicine vol. 47 , ( 1 ) 47 - 59 .
Daoukas S, Malliaropoulos N, Maffulli N ( 2019 ) . ACL biomechanical risk factors on single-leg drop-jump: A cohort study comparing football players with and without history of lower limb injury . Muscles, Ligaments and Tendons Journal vol. 9 , ( 1 ) 70 - 75 .
Malliaropoulos N, Kaux JF, Frey A, Lohrer H ( 2018 ) . "from the Lab to the Pitch": The 6th ECOSEP congress with INSEP . British Journal of Sports Medicine vol. 52 , ( 23 ) 1479 - 1480 .
Valle X, Malliaropoulos N, Párraga Botero JD, Bikos G, Pruna R, Mónaco M, Maffulli N ( 2018 ) . Hamstring and other thigh injuries in children and young athletes . Scandinavian Journal of Medicine and Science in Sports vol. 28 , ( 12 ) 2630 - 2637 .
Tsifountoudis I, Kalaitzoglou I, Papacostas E, Malliaropoulos N ( 2018 ) . Tensor Fasciae Suralis Muscle: Report of a Symptomatic Case With Emphasis on Imaging Findings . Clinical Journal of Sport Medicine vol. 28 , ( 4 ) E79 - E81 .
Leung R, Malliaropoulos N, Korakakis V, Padhiar N ( 2018 ) . What are patients' knowledge, expectation and experience of radial extracorporeal shockwave therapy for the treatment of their tendinopathies? A qualitative study . Journal of Foot and Ankle Research vol. 11 , ( 1 )
Korakakis V, Whiteley R, Tzavara A, Malliaropoulos N ( 2018 ) . The effectiveness of extracorporeal shockwave therapy in common lower limb conditions: a systematic review including quantification of patient-rated pain reduction . British Journal of Sports Medicine vol. 52 , ( 6 )
Malliaropoulos N, Bikos G, Meke M, Vasileios K, Valle X, Lohrer H, Maffulli N, Padhiar N ( 2018 ) . Higher frequency of hamstring injuries in elite track and field athletes who had a previous injury to the ankle - a 17 years observational cohort study . Journal of Foot and Ankle Research vol. 11 , ( 1 )
Pruna R, Valle X, Iqbal Z, Maffulli N, Malliaropoulos N ( 2018 ) . Sport specific rehabilitation: The Barcelona football club vision . Muscles, Ligaments and Tendons Journal vol. 8 , ( 3 ) 308 - 309 .
Malliaropoulos N, Thompson D, Meke M, Pyne D, Alaseirlis D, Atkinson H, Korakakis V, Lohrer H ( 2017 ) . Individualised radial extracorporeal shock wave therapy (rESWT) for symptomatic calcific shoulder tendinopathy: A retrospective clinical study . BMC Musculoskeletal Disorders vol. 18 , ( 1 )
Kamitani T, Malliaropoulos NG, Omiya M, Otaka Y, Inoue K, Onidani N ( 2017 ) . On the way to the Tokyo Summer Olympic Games (2020). Prevention of severe head and neck injuries in judo: It's time for action . British Journal of Sports Medicine vol. 51 , ( 22 ) 1581 - 1582 .
Alaseirlis D, Tsifountoudis I, Konstantinidis G, Miliaras D, Malliaropoulos N, Givissis P ( 2017 ) . Para-articular extraskeletal chondroma mimicking first metatarsophalangeal synovitis . Radiology Case Reports vol. 12 , ( 3 ) 564 - 570 .
Valle X, Alentorn-Geli E, Tol JL, Hamilton B, Garrett WE, Pruna R, Til L, Gutierrez JA et al. ( 2017 ) . Muscle Injuries in Sports: A New Evidence-Informed and Expert Consensus-Based Classification with Clinical Application . Sports Medicine vol. 47 , ( 7 ) 1241 - 1253 .
Malliaropoulos N, Rachid S, Korakakis V, Fraser SA, Bikos G, Maffulli N, Angioi M ( 2017 ) . Prevalence, techniques and knowledge of rapid weight loss amongst adult british judo athletes: A questionnaire based study . Muscles, Ligaments and Tendons Journal vol. 7 , ( 3 ) 459 - 466 .
Malliaropoulos N, Alaseirlis D, Konstantinidis G, Papalada A, Tsifountoudis I, Petras K, Maffulli N ( 2017 ) . Therapeutic ultrasound in navicular stress injuries in elite track and field athletes . Clinical Journal of Sport Medicine vol. 27 , ( 3 ) 278 - 282 .
Perdikakis E, Tsifountoudis I, Kalaitzoglou I, Rountas C, Malliaropoulos N, Maffulli N ( 2017 ) . Soft tissue pseudotumours: A pictorial review with emphasis on MRI . Muscles, Ligaments and Tendons Journal vol. 7 , ( 2 ) 353 - 357 .
Malliaropoulos N, Bikos G, Meke M, Tsifountoudis I, Pyne D, Korakakis V ( 2017 ) . Mechanical Low Back Pain in Elite Track and Field Athletes: An observational cohort study . Journal of Back and Musculoskeletal Rehabilitation vol. 30 , ( 4 ) 681 - 689 .
Thompson D, Malliaropoulos N, Padhiar N ( 2017 ) . Sesamoid osteonecrosis treated with radial extracorporeal shock wave therapy . BMJ Case Reports vol. 2017 ,
Malliaropoulos N, Ghrairi M, Zerguini Y, Padhiar N ( 2016 ) . Soft tissue injuries are still a challenge in musculoskeletal sports and exercise medicine . British journal of sports medicine vol. 50 , ( 24 )
Lohrer H, Nauck T, Korakakis V, Malliaropoulos N ( 2016 ) . Validation of the FASH (Functional Assessment Scale for Acute Hamstring Injuries) questionnaire for German-speaking football players . Journal of Orthopaedic Surgery and Research vol. 11 , ( 1 )
Chatterjee R, Malliaropoulos N, Padhiar N ( 2016 ) . Diagnosis and management of plantar plate tear in an elite 400m hurdler . Journal of Musculoskeletal Research vol. 19 , ( 2 )
Lohrer H, Nauck T, Korakakis V, Malliaropoulos N ( 2016 ) . Historical ESWT Paradigms Are Overcome: A Narrative Review . BioMed Research International vol. 2016 ,
Malliaropoulos N, Crate G, Meke M, Korakakis V, Nauck T, Lohrer H, Padhiar N ( 2016 ) . Success and Recurrence Rate after Radial Extracorporeal Shock Wave Therapy for Plantar Fasciopathy: A Retrospective Study . BioMed Research International vol. 2016 ,
Malliaropoulos N, Lohrer H, Pakravan A, Padhiar N ( 2015 ) . 4th Congress of the European College of Sports & Exercise Physicians (ECOSEP) scores goals! Opportunities for specialists, trainees, and students in many countries . British Journal of Sports Medicine vol. 49 , ( 24 )
Padhiar N, Malliaropoulos N, Lohrer H ( 2015 ) . Exercise-induced leg pain in sport . British Journal of Sports Medicine vol. 49 , ( 24 ) 1546 - 1547 .
Valle X, Tol JL, Hamilton B, Rodas G, Malliaras P, Malliaropoulos N, Rizo V, Moreno M et al. ( 2015 ) . Hamstring muscle injuries, a rehabilitation protocol purpose . Asian Journal of Sports Medicine vol. 6 , ( 4 )
Malliaropoulos N, Kakoura L, Tsitas K, Christodoulou D, Siozos A, Malliaras P, Maffulli N ( 2015 ) . Active knee range of motion assessment in elite track and field athletes: Normative values . Muscles, Ligaments and Tendons Journal vol. 5 , ( 3 ) 203 - 207 .
Korakakis V, Malliaropoulos N, Baliotis K, Papadopoulou S, Padhiar N, Nauck T, Lohrer H ( 2015 ) . Cross-cultural adaptation and validation of the exercise-induced leg pain questionnaire for English-and Greek-speaking individuals . Journal of Orthopaedic and Sports Physical Therapy vol. 45 , ( 6 ) 485 - 496 .
Malliaropoulos N, Mertyri D, Tsaklis P ( 2015 ) . Prevalence of Injury in Ultra Trail Running . Human Movement vol. 16 , ( 2 ) 52 - 59 .
Malliaropoulos N, Valle X, Rodas G, Til L ( 2014 ) . Anterior cruciate ligament and hamstrings: New research to guide clinical management . British Journal of Sports Medicine vol. 48 , ( 22 )
Korakakis V, Patsiaouras A, Malliaropoulos N ( 2014 ) . Cross-cultural adaptation of the VISA-P questionnaire for Greek-speaking patients with patellar tendinopathy . British Journal of Sports Medicine vol. 48 , ( 22 ) 1647 - 1652 .
Malliaropoulos N, Korakakis V, Christodoulou D, Padhiar N, Pyne D, Giakas G, Nauck T, Malliaras P et al. ( 2014 ) . Development and validation of a questionnaire (FASH - Functional Assessment Scale for Acute Hamstring Injuries): To measure the severity and impact of symptoms on function and sports ability in patients with acute hamstring injuries . British Journal of Sports Medicine vol. 48 , ( 22 ) 1607 - 1612 .
West L, Malliaropoulos N, de Jonge S ( 2014 ) . ECOSEP: bringing the European SEM family together . British journal of sports medicine vol. 48 , ( 22 )
Altarriba-Bartes A, Drobnic F, Til L, Malliaropoulos N, Montoro JB, Irurtia A ( 2014 ) . Epidemiology of injuries in elite taekwondo athletes: Two Olympic periods cross-sectional retrospective study . BMJ Open vol. 4 , ( 2 )
Malliaropoulos NG, Callan M, Johnson J ( 2014 ) . Comprehensive training programme for judo players nine plus 9+: Possible lower limb primary injury prevention . Muscles, Ligaments and Tendons Journal vol. 4 , ( 2 ) 262 - 268 .
Ghrairi M, Hammouda O, Malliaropoulos N ( 2014 ) . Muscular strength profile in Tunisian male national judo team . Muscles, Ligaments and Tendons Journal vol. 4 , ( 2 ) 149 - 153 .
Malliaropoulos N ( 2014 ) . Why judo . Muscles, Ligaments and Tendons Journal vol. 4 , ( 2 )
Pocecco E, Ruedl G, Stankovic N, Sterkowicz S, Del Vecchio FB, Gutiérrez-García C, Rousseau R, Wolf M et al. ( 2013 ) . Injuries in judo: A systematic literature review including suggestions for prevention . British Journal of Sports Medicine vol. 47 , ( 18 ) 1139 - 1143 .
Malliaropoulos N, Callan M, Pluim B ( 2013 ) . Judo, the gentle way . British Journal of Sports Medicine vol. 47 , ( 18 )
Malliaropoulos N, Kiritsi O, Tsitas K, Christodoulou D, Akritidou A, Del Buono A, Maffulli N ( 2013 ) . Low-level laser therapy in meniscal pathology: A double-blinded placebo-controlled trial . Lasers in Medical Science vol. 28 , ( 4 ) 1183 - 1188 .
Mendiguchia J, Garrues MA, Cronin JB, Contreras B, Los Arcos A, Malliaropoulos N, Maffulli N, Idoate F ( 2013 ) . Nonuniform changes in MRI measurements of the thigh muscles after two hamstring strengthening exercises . Journal of Strength and Conditioning Research vol. 27 , ( 3 ) 574 - 581 .
Malliaropoulos N, Tsitas K, Porfiriadou A, Papalada A, Ames P, Del Buono A, Lippi G, Maffulli N ( 2013 ) . Blood phosphorus and magnesium levels in 130 elite track and field athletes . Asian Journal of Sports Medicine vol. 4 , ( 1 ) 49 - 53 .
Mendiguchia J, Garrues MA, Cronin JB, Contreras B, Malliaropoulos N, Maffulli N, Idoate F ( 2013 ) . In response . Journal of Strength and Conditioning Research vol. 27 , ( 10 ) 1 - 2 .
Lohrer H, Malliaropoulos N ( 2012 ) . On-field sports medicine emergencies: What's new! . British Journal of Sports Medicine vol. 46 , ( 16 ) 1089 - 1090 .
Lohrer H, Nauck T, Schöll J, Zwerver J, Malliaropoulos N ( 2012 ) . Extracorporeal shock wave therapy for patients suffering from recalcitrant osgood-schlatter disease . Sportverletzung-Sportschaden vol. 26 , ( 4 ) 218 - 222 .
Alaseirlis DA, Konstantinidis GA, Malliaropoulos N, Nakou LS, Korompilias A, Maffulli N ( 2012 ) . Arthroscopic treatment of chronic patellar tendinopathy in high-level athletes . Muscles, Ligaments and Tendons Journal vol. 2 , ( 4 ) 267 - 272 .
Heron N, Malliaropoulos NG ( 2012 ) . International differences in sport medicine access and clinical management . Muscles, Ligaments and Tendons Journal vol. 2 , ( 4 ) 248 - 252 .
Malliaropoulos NG ( 2012 ) . Non contact Hamstring injuries in sports . Muscles, Ligaments and Tendons Journal vol. 2 , ( 4 ) 309 - 311 .
Malliaropoulos N, Mendiguchia J, Pehlivanidis H, Papadopoulou S, Valle X, Malliaras P, Maffulli N ( 2012 ) . Hamstring exercises for track and field athletes: Injury and exercise biomechanics, and possible implications for exercise selection and primary prevention . British Journal of Sports Medicine vol. 46 , ( 12 ) 846 - 851 .
Malliaropoulos N, Maffulli N ( 2012 ) . Is therapeutic ultrasound a reliable tool for the diagnosis of bone stress injuries?: Response . American Journal of Sports Medicine vol. 40 , ( 9 )
Papalada A, Malliaropoulos N, Tsitas K, Kiritsi O, Padhiar N, Del Buono A, Maffulli N ( 2012 ) . Ultrasound as a primary evaluation tool of bone stress injuries in elite track and field athletes . American Journal of Sports Medicine vol. 40 , ( 4 ) 915 - 919 .
Malliaropoulos N, Maffulli N ( 2012 ) . Hamstring issues in sports: Still a major clinical and research challenge . British Journal of Sports Medicine vol. 46 , ( 2 ) 79 - 80 .
Askling CM, Malliaropoulos N, Karlsson J ( 2012 ) . High-speed running type or stretching-type of hamstring injuries makes a difference to treatment and prognosis . British Journal of Sports Medicine vol. 46 , ( 2 ) 86 - 87 .
Papadopoulou SK, Gouvianaki A, Grammatikopoulou MG, Maraki Z, Pagkalos IG, Malliaropoulos N, Hassapidou MN, Maffulli N ( 2012 ) . Body composition and dietary intake of elite cross-country skiers members of the greek national team . Asian Journal of Sports Medicine vol. 3 , ( 4 ) 257 - 266 .
Pedret C, Balius R, Barceló P, Miguel M, Lluís A, Valle X, Gougoulias N, Malliaropoulos N et al. ( 2011 ) . Isolated tears of the gracilis muscle . American Journal of Sports Medicine vol. 39 , ( 5 ) 1077 - 1080 .
Malliaropoulos N, Isinkaye T, Tsitas K, Maffulli N ( 2011 ) . Erratum: Reinjury after acute posterior thigh muscle injuries in elite track and field athletes. Am J Sports Med. (2011) 39:2 (304-310) DOI: 10.1177/0363546510382857) . American Journal of Sports Medicine vol. 39 , ( 4 )
Malliaropoulos N, Isinkaye T, Tsitas K, Maffulli N ( 2011 ) . Reinjury after acute posterior thigh muscle injuries in elite track and field athletes . American Journal of Sports Medicine vol. 39 , ( 2 ) 304 - 310 .
Malliaropoulos N, Papacostas E, Kiritsi O, Papalada A, Gougoulias N, Maffulli N ( 2010 ) . Posterior thigh muscle injuries in elite track and field athletes . American Journal of Sports Medicine vol. 38 , ( 9 ) 1813 - 1819 .
Kiritsi O, Tsitas K, Malliaropoulos N, Mikroulis G ( 2010 ) . Ultrasonographic evaluation of plantar fasciitis after low-level laser therapy: Results of a double-blind, randomized, placebo-controlled trial . Lasers in Medical Science vol. 25 , ( 2 ) 275 - 281 .
Malliaropoulos N, Ntessalen M, Papacostas E, Longo UG, Maffulli N ( 2009 ) . Reinjury after acute Lateral ankle sprains in elite track and field athletes . American Journal of Sports Medicine vol. 37 , ( 9 ) 1755 - 1761 .
Malliaropoulos N, Papacostas E, Papalada A, Maffulli N ( 2006 ) . Acute Lateral Ankle Sprains in Track and Field Athletes: An Expanded Classification . Foot and Ankle Clinics vol. 11 , ( 3 ) 497 - 507 .
Malliaropoulos N, Papalexandris S, Papalada A, Papacostas E ( 2004 ) . The Role of Stretching in Rehabilitation of Hamstring Injuries: 80 Athletes Follow-Up . Medicine and Science in Sports and Exercise vol. 36 , ( 5 ) 756 - 759 .
Sykaras E, Mylonas A, Malliaropoulos N, Zakas A, Papacostas ET ( 2003 ) . Manual massage effect in knee extensors peak torque during short-term intense continuous concentric-eccentric isokinetic exercise in female elite athletes . Isokinetics and Exercise Science vol. 11 , ( 3 ) 153 - 157 .
Papacostas E, Malliaropoulos N, Papadopoulos A, Liouliakis C ( 2001 ) . Validation of Ottawa ankle rules protocol in Greek athletes: Study in the emergency departments of a district general hospital and a sports injuries clinic . British Journal of Sports Medicine vol. 35 , ( 6 ) 445 - 447 .
Kotzamanidis C, Fachantidou A, Sitzoglou K, Fotiou F, Patikas D, Bassa H, Malliaropoulos N, Mylonas A ( 1999 ) . Neurophysiological examination of elite oarsmen . Medical Science Research vol. 27 , ( 4 ) 241 - 243 .
Liolios N, Anagnostopoulos D, Sfougaris D, Valioulis I, Kasselas V, Malliaropoulos N ( 1997 ) . Abdominoscrotal hydrocele . European Journal of Pediatric Surgery vol. 7 , ( 6 ) 371 - 372 .