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  1. Queen Mary University of London
  2. Research
  3. Publications

Publications: Dr Retesh Bajaj

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Wei H, Broersen A, Erlandsson K, Anderson C, Dijkstra J, Endozo R, Bajaj R, Shortman R et al. ( 2024 ) . Data-driven respiratory motion correction of dual-gated cardiac PET/CT for coronary plaque imaging . Conference: 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD) vol. 00 , 1 - 1 .
Revaiah PC, Bajaj R, Miyashita K, Tobe A, Tsai T, Oshima A, Gurav A, Tu S et al. ( 2024 ) . TCT-526 Comparative Analysis of Optical Flow Ratio (OFR) Derived From Optical Coherence Tomography (OCT) Images and Ultrasonic Flow Ratio Derived From Intravascular Ultrasound (IVUS) at Sequential Side Branches Within the Same Segment of the Coronary Vessel . Journal of the American College of Cardiology vol. 84 , ( 18 )
Bransby KM, Bajaj R, Ramasamy A, Çap M, Yap N, Slabaugh G, Bourantas C, Zhang Q ( 2024 ) . POLYCORE: Polygon-based contour refinement for improved Intravascular Ultrasound Segmentation . Computers in Biology and Medicine vol. 182 , 109162 - 109162 .
Yap NAL, Ramasamy A, Tanboga IH, He X, Cap M, Bajaj R, Karaduman M, Jain A et al. ( 2024 ) . Implications of coronary calcification on the assessment of plaque pathology: a comparison of computed tomography and multimodality intravascular imaging . European Radiology1 - 16 .
He X, Maung S, Ramasamy A, Mohamed MO, Bajaj R, Yap NAL, Karaduman M, Zhang Y et al. ( 2024 ) . Efficacy of Coronary Calcium Score in Predicting Coronary Artery Morphology in Patients With Obstructive Coronary Artery Disease . Journal of the Society for Cardiovascular Angiography & Interventions vol. 3 , ( 3 )
Ramasamy A, Sokooti H, Zhang X, Tzorovili E, Bajaj R, Kitslaar P, Broersen A, Amersey R et al. ( 2023 ) . Novel near-infrared spectroscopy–intravascular ultrasound-based deep-learning methodology for accurate coronary computed tomography plaque quantification and characterization . European Heart Journal Open vol. 3 , ( 5 )
Huang X, Bajaj R, Cui W, Hendricks MJ, Wang Y, Yap NAL, Ramasamy A, Maung S et al. ( 2023 ) . CARDIAN: a novel computational approach for real-time end-diastolic frame detection in intravascular ultrasound using bidirectional attention networks . Frontiers in Cardiovascular Medicine vol. 10 , 1250800 - 1250800 .
Bajaj R, Huang X, Alves-Kotzev N, Weyers J, Levine M, Garg M, Maung S, Bransby K et al. ( 2023 ) . TCT-613 Comparison of Histology-Trained Deep Learning Approach With Human Expert Analysts for Automated Plaque Component Classification in Hybrid Intravascular Ultrasound-Optical Coherence Tomography Images . Journal of the American College of Cardiology vol. 82 , ( 17 ) b246 - b247 .
Bajaj R, Precht H, Gamrah MA, Mohammed A, Grainger S, Raber L, Bransby K, Mathur A et al. ( 2023 ) . TCT-635 Performance of Near-Infrared Spectroscopy-Intravascular Ultrasound and Optical Coherence Tomography for Coronary Artery Plaque Structural Stress Analysis: Validation Against Histology . Journal of the American College of Cardiology vol. 82 , ( 17 ) b255 - b256 .
Parasa R, Bajaj R, Broersen A, Mohil G, Prati F, Çap M, Yap NAL, Grainger S et al. ( 2023 ) . TCT-684 Evaluation of the Performance of Deep Learning-Based Methods in Assessing Plaque Pathology in OCT and NIRS IVUS: A Head-to-Head Comparison With Histology . Journal of the American College of Cardiology vol. 82 , ( 17 ) b275 - b276 .
Huang X, Bajaj R, Li Y, Ye X, Lin J, Pugliese F, Ramasamy A, Gu Y et al. ( 2023 ) . POST-IVUS: A perceptual organisation-aware selective transformer framework for intravascular ultrasound segmentation . Medical Image Analysis vol. 89 ,
Erdogan E, Bajaj R, Lansky A, Mathur A, Baumbach A, Bourantas CV ( 2022 ) . Intravascular Imaging for Guiding In‐Stent Restenosis and Stent Thrombosis Therapy . Journal of the American Heart Association vol. 11 , ( 22 )
Ramasamy A, Hamid A Khan A, Cooper J, Simon J, Maurovich-Horvat P, Bajaj R, Kitslaar P, Amersey R et al. ( 2022 ) . Implications of computed tomography reconstruction algorithms on coronary atheroma quantification: Comparison with intravascular ultrasound . Journal of Cardiovascular Computed Tomography vol. 17 , ( 1 ) 43 - 51 .
Ramasamy A, Sokooti H, Zhang X, Tzorovili E, Bajaj R, Kitslaar P, Broersen A, Amersey R et al. ( 2022 ) . OP1 A novel coronary computed tomography angiography deep-learning methodology for coronary atheroma assessment trained using near-infrared spectroscopy-intravascular ultrasound . Conference: Scientific oral presentationsa1.1 - a1a1 .
Ramasamy A, Sokooti H, Zhang X, Tzorovili E, Bajaj R, Kitslaar P, Amersey R, Jain A et al. ( 2022 ) . TCT-250 A Novel Coronary Computed Tomography Angiography Deep-Learning Methodology for Coronary Atheroma Quantification and Characterization Trained Using Near-Infrared Spectroscopy-Intravascular Ultrasound . Journal of the American College of Cardiology vol. 80 , ( 12 ) b98 - b99 .
Bajaj R, Huang X, Alves N, Weyers J, Levine M, Garg M, Maung S, Bransby K et al. ( 2022 ) . TCT-254 Histology-Trained Deep Learning Methodology for Automated Coronary Plaque Component Classification in Combined Intravascular Ultrasound-Optical Coherence Tomography Images . Journal of the American College of Cardiology vol. 80 , ( 12 )
Bajaj R, Francis R, Hudson SM, Hendry C, Cuthbertson L, Bell M, Das D, Greenwood JP et al. ( 2022 ) . THE CONCEPTION, PLAN AND DELIVERY OF THE BRITISH CARDIOVASCULAR SOCIETY DIGITAL KNOWLEDGE HUB . Cardiovascular Digital Health Journal vol. 3 , ( 4 )
Bajaj R, Jain AK, Knight C ( 2022 ) . Definitions of acute coronary syndromes . Medicine vol. 50 , ( Eur Heart J 37 2016 ) 420 - 423 .
Bajaj R, Ramasamy A, Brown JT, Koganti S, Little C, Rathod KS, Jones DA, Rees P et al. ( 2022 ) . Treatment Strategies and Outcomes of Emergency Left Main Percutaneous Coronary Intervention . The American Journal of Cardiology vol. 177 , 1 - 6 .
Bajaj R, Eggermont J, Grainger SJ, Räber L, Parasa R, Khan AHA, Costa C, Erdogan E et al. ( 2022 ) . Machine learning for atherosclerotic tissue component classification in combined near-infrared spectroscopy intravascular ultrasound imaging: Validation against histology . Atherosclerosis vol. 345 , 15 - 25 .
Erdogan E, Huang X, Cooper J, Jain A, Ramasamy A, Bajaj R, Torii R, Moon J et al. ( 2021 ) . TCT-426 Electrocardiographically Gated Intravascular Image Segmentation Enables More Reproducible Volumetric Analysis of Atheroma Burden . Journal of the American College of Cardiology . vol. 78 ,
Erdogan E, Huang X, Cooper J, Jain A, Ramasamy A, Bajaj R, Torii R, Moon J et al. ( 2021 ) . End‐diastolic segmentation of intravascular ultrasound images enables more reproducible volumetric analysis of atheroma burden . Catheterization and Cardiovascular Interventions vol. 99 , ( 3 ) 706 - 713 .
Bajaj R, Huang X, Kilic Y, Ramasamy A, Jain A, Ozkor M, Tufaro V, Safi H et al. ( 2021 ) . Advanced deep learning methodology for accurate, real-time segmentation of high-resolution intravascular ultrasound images . International Journal of Cardiology vol. 339 , 185 - 191 .
Bajaj R, Parasa R, Ramasamy A, Makariou N, Foin N, Prati F, Lansky A, Mathur A et al. ( 2021 ) . Computerized technologies informing cardiac catheterization and guiding coronary intervention . American Heart Journal vol. 240 , 28 - 45 .
Bajaj R, Garcia-Garcia HM, Courtney BK, Ramasamy A, Tufaro V, Erdogan E, Khan AH, Alves N et al. ( 2021 ) . Multi-modality intravascular imaging for guiding coronary intervention and assessing coronary atheroma: the Novasight Hybrid IVUS-OCT system . Minerva Cardioangiologica vol. 69 , ( 6 ) 655 - 670 .
Tufaro V, Safi H, Torii R, Koo B-K, Kitslaar P, Ramasamy A, Mathur A, Jones DA et al. ( 2021 ) . Wall shear stress estimated by 3D-QCA can predict cardiovascular events in lesions with borderline negative fractional flow reserve . Atherosclerosis vol. 322 , 24 - 30 .
Bajaj R, Sinclair HC, Patel K, Low B, Pericao A, Manisty C, Guttmann O, Zemrak F et al. ( 2021 ) . Delayed-onset myocarditis following COVID-19 . The Lancet Respiratory Medicine vol. 9 , ( 4 ) e32 - e34 .
Bajaj R, Huang X, Kilic Y, Jain A, Ramasamy A, Torii R, Moon J, Koh T et al. ( 2021 ) . A deep learning methodology for the automated detection of end-diastolic frames in intravascular ultrasound images . The International Journal of Cardiovascular Imaging vol. 37 , ( 6 ) 1825 - 1837 .
Liu S, Tyebally S, Ramasamy A, Bajaj R, Bajomo T, Nadarajan N, Menezes L ( 2021 ) . Computed tomography coronary angiogram in left main stem disease: how does it fare against invasive coronary angiography? . European Heart Journal - Cardiovascular Imaging vol. 22 , ( Supplement_1 )
Jin C, Ramasamy A, Safi H, Kilic Y, Tufaro V, Bajaj R, Fu G, Mathur A et al. ( 2021 ) . Diagnostic accuracy of quantitative flow ratio (QFR) and vessel fractional flow reserve (vFFR) estimated retrospectively by conventional radiation saving X-ray angiography . The International Journal of Cardiovascular Imaging vol. 37 , ( 5 ) 1491 - 1501 .
Ramasamy A, Bajaj R, Jones DA, Amersey R, Mathur A, Baumbach A, Bourantas CV, O'Mahony C ( 2020 ) . Iatrogenic catheter‐induced ostial coronary artery dissections: Prevalence, management, and mortality from a cohort of 55,968 patients over 10 years . Catheterization and Cardiovascular Interventions vol. 98 , ( 4 ) 649 - 655 .
Ramasamy A, Safi H, Moon JC, Andiapen M, Rathod KS, Maurovich-Horvat P, Bajaj R, Serruys PW et al. ( 2020 ) . Evaluation of the Efficacy of Computed Tomographic Coronary Angiography in Assessing Coronary Artery Morphology and Physiology: Rationale and Study Design . Cardiology: international journal of cardiovascular medicine, surgery and pathology
Ramasamy A, Jin C, Tufaro V, Bajaj R, Kilic Y, Safi H, Amersey R, Jones D et al. ( 2020 ) . Computerised Methodologies for Non‐Invasive Angiography‐Derived Fractional Flow Reserve Assessment: A Critical Review . Journal of Interventional Cardiology vol. 2020 , ( 1 )
Kilic Y, Safi H, Bajaj R, Serruys PW, Kitslaar P, Ramasamy A, Tufaro V, Onuma Y et al. ( 2020 ) . The Evolution of Data Fusion Methodologies Developed to Reconstruct Coronary Artery Geometry From Intravascular Imaging and Coronary Angiography Data: A Comprehensive Review . Frontiers in Cardiovascular Medicine vol. 7 ,
Ramasamy A, Bajaj R, Choudry FA, Pugliese F, Baumbach A, Bourantas CV ( 2020 ) . Intravascular ultrasound-guided management of ST-elevation myocardial infarction in a patient with lung cancer and myocardial metastasis . European Heart Journal
Jin CY, Ramasamy A, Bourantas CV, Safi H, Kilic Y, Tufaro V, Bajaj R, Jones DA et al. ( 2019 ) . P2720Diagnostic accuracy of Quantitative Flow Ratio (QFR) and Vessel Fractional Flow Reserve (vFFR) compared to Fractional Flow Reserve (FFR) based on 7.5 frames/second coronary angiography . European Heart Journal vol. 40 , ( Supplement_1 )
Bourantas CV, Bajaj R, Tufaro V, Kilic Y, Serruys PW ( 2019 ) . Sex differences in clinical outcomes following bioresorbable scaffold implantation: a paradigm shift? . EuroIntervention vol. 15 , ( 7 ) 574 - 576 .
Jin CY, Ramasamy A, Bourantas CV, Safi H, Kilic Y, Tufaro V, Bajaj R, Jones DA et al. ( 2019 ) . Diagnostic accuracy of Quantitative Flow Ratio (QFR) and Vessel Fractional Flow Reserve (vFFR) compared to Fractional Flow Reserve (FFR) based on 7.5 frames/second coronary angiography . EUROPEAN HEART JOURNAL . vol. 40 , 1671 - 1671 .
Bajaj R, Jain AK, Knight C ( 2018 ) . Definitions of acute coronary syndromes . Medicine vol. 46 , ( Eur Heart J 37 2016 ) 528 - 532 .
Mansell J, Guttmann O, Bajaj R, Rathod KS, Baumbach A, Mohiddin S, Mathur A, Jones DA ( 2018 ) . P4647Long-term outcome in patients with myocardial infarction and unobstructed coronary arteries (MINOCA): ST elevation means worse outcomes . European Heart Journal vol. 39 , ( suppl_1 )
Mansell J, Guttmann O, Bajaj R, Rathod KS, Baumbach A, Mohiddin S, Mathur A, Jones DA ( 2018 ) . Long-term outcome in patients with myocardial infarction and unobstructed coronary arteries (MINOCA): ST elevation means worse outcomes . EUROPEAN HEART JOURNAL . vol. 39 , 959 - 959 .
Lawrence C, Willicombe M, Brookes PA, Santos-Nunez E, Bajaj R, Cook T, Roufosse C, Taube D et al. ( 2013 ) . Preformed Complement-Activating Low-Level Donor-Specific Antibody Predicts Early Antibody-Mediated Rejection in Renal Allografts . Transplantation . vol. 95 , 341 - 346 .
Bajaj R, Brookes P, Warrens A ( 2010 ) . C4D FIXATION ON BEADS AS A MARKER FOR C4D STAINING ON RENAL BIOPSIES . NEPHROLOGY . vol. 15 , 72 - 72 .
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