Personal profile
Research interests
Achalasia and esophageal motility disorders, Pancreaticobiliary disorders, Quality improvement
Clinical interests
Dr. Rengarajan is an interventional gastroenterologist with specialized expertise in complex pancreas and biliary disorders as well as gastrointestinal oncology. He has undergone additional training to perform advanced endoscopic procedures such as endoscopic ultrasound (EUS), ERCP, and stent placement within the GI tract.
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Collaborations and top research areas from the last five years
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The Impact of Endoscopic Ultrasound and Multidisciplinary Team Evaluation on the Management of Pancreatic Cystic Lesions
Dbouk, M., Altayar, O., Hoegger, M., Reyes Genere, J., Rengarajan, A., Mellnick, V. M., Shetty, A., Chu, L., Zaheer, A., Zandieh, G., Kushnir, V., Lang, G., Goggins, M., Hawkins, W., Khan, A., Burns, W., Lafaro, K., Lim, K.-H., Pederson, K. & Afghani, E. & 1 others, , Apr 2026, In: United European Gastroenterology Journal. 14, 3, e70212.Research output: Contribution to journal › Article › peer-review
Open Access -
Integrating multi-omics in bile for biomarker discovery in cholangiocarcinoma
Xia, J. Y., Komanduri, S., Keswani, R. N., Rodrigues, T. R., Sinha, J., Rengarajan, A., Tran, P., Hepler, C., Prindle, A. & Aadam, A. A., Sep 1 2025, In: Hepatology Communications. 9, 9, e0786.Research output: Contribution to journal › Article › peer-review
Open Access -
Pathophysiology of Achalasia
Rengarajan, A., Bazarbashi, A. N. & Gyawali, C. P., 2025, (Accepted/In press) In: Digestion.Research output: Contribution to journal › Review article › peer-review
Open Access4 Link opens in a new tab Scopus citations -
Peroral Endoscopic Myotomy and Functional Lumen Imaging Probe
Rengarajan, A. & Aadam, A., Jul 2025, In: Gastrointestinal Endoscopy Clinics of North America. 35, 3, p. 665-675 11 p.Research output: Contribution to journal › Review article › peer-review
1 Link opens in a new tab Scopus citations -
The Lyon Score: A Novel Reflux Scoring System Based on the Lyon Consensus 2.0 That Associates With Treatment Outcome From Antireflux Therapy
Gyawali, C. P., Marchetti, L., Rogers, B. D., Chan, W. W., Wong, M. W., Visaggi, P., Rengarajan, A., Carlson, D. A., Savarino, E., De Bortoli, N., Chen, C. L. & Pandolfino, J., May 1 2025, In: American Journal of Gastroenterology. 120, 5, p. 1009-1018 10 p.Research output: Contribution to journal › Article › peer-review
Open Access17 Link opens in a new tab Scopus citations