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Benjamin Tharian

TitleAssociate Professor
InstitutionUniversity of Arkansas for Medical Sciences
DepartmentInternal Med, College of Medicine
DivisionInternal Med Gastroenterology
Address324 UAMS Campus Dr.
Mail Slot # 567
Little Rock AR 72205
Phone501-686-5177
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    Collapse Overview 
    Collapse overview
    Dr. Benjamin Tharian is an Assistant Professor in the Division of Gastroenterology and Hepatology and the Director of General and Advanced Endoscopy at UAMS. He received his Medical Degree (MBBS) from Government Medical College Hospital, Trivandrum (Kerala University) in 2001 and was Gold Medalist for Medical Residency (MD) in 2004 at Medical College, Kottayam, India (Mahatma Gandhi University). He re-did Medical residency training in the United Kingdom (UK), in the Cambridge (Eastern) Deanery, under the National Health Service (NHS). Dr. Tharian completed five years of accredited fellowship training in Gastroenterology, Hepatology, and General Medicine in the UK (Manchester and Northern Ireland Deanery) in 2012.

    He worked as an Attending Gastroenterologist in the UK and in Australia. He completed a year of ASGE approved Advanced Endoscopy Fellowship at the prestigious Center for Interventional Endoscopy (CIE), Florida Hospital in Orlando, FL in 2015. Prof Rob Hawes and Prof Shyam Varadarajulu, two pioneers in the field of Interventional Endoscopy, mentored him. In Sep 2015, he joined UAMS. In his first year, he was successful in raising UAMS to a high volume center for Advanced Endoscopy, having done over 350 ERCP’s and 600 EUS procedures in addition to several other procedures that only UAMS offers currently in the State of Arkansas. These include endoscopic eradication of Barrett’s disease, endoscopic management of large polyps and ampullary adenomas, Laser Lithotripsy, Endoscopic drainage of Pseudocysts and endoscopic necrosectomy.

    Dr. Tharian has a keen interest in Endoscopic Training. He has taught nursing and medical students, residents and fellows in UK, Australia and USA. He has a keen interest in quality improvement projects and has published in the field of interventional endoscopy.

    He is a member of the Royal College of Physicians of UK and American Society for Gastrointestinal Endoscopy (MRCP), in addition to being a fellow of the Royal Australasian College of Physicians (FRACP), and the American College of Physicians (FACP). He is board certified for Gastroenterology / Hepatology and Internal Medicine in UK and Australia and for Medicine in India.


    Collapse Research Funds 
    Collapse research activities
    CLIN 0047     (THARIAN, BENJAMIN)May 3, 2019
    Interscope, Inc.
    EndoRotor Direct Endoscopic Necrosectomy Trial (IRB# 229091)
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions. Don't see publications published under other names? Login to add alternative names.
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    1. Bang JY, Rösch T, Kim HM, Thakkar S, Robalino Gonzaga E, Tharian B, Inamdar S, Lee LS, Yachimski P, Jamidar P, Muniraj T, DiMaio C, Kumta N, Sethi A, Draganov P, Yang D, Seoud T, Perisetti A, Bondi G, Kirtane S, Hawes R, Wilcox CM, Kozarek R, Reddy DN, Varadarajulu S. Prospective evaluation of an assessment tool for technical performance of duodenoscopes. Dig Endosc. 2020 Oct 02. PMID: 33007136.
      View in: PubMed
    2. Goyal H, Gajendran M, Boregowda U, Perisetti A, Aziz M, Bansal P, Inamdar S, Tharian B. Current and Future Implications of COVID-19 on Gastroenterology Training and Clinical Practice. Int J Clin Pract. 2020 Sep 21; e13717. PMID: 32955773.
      View in: PubMed
    3. Augustine T, Perisetti A, Khan SA, Lobo RH, Tharian B. Primary Colonic Lymphoma With Paraneoplastic Hypercalcemia. ACG Case Rep J. 2020 Sep; 7(9):e00439. PMID: 32984425.
      View in: PubMed
    4. Perisetti A, Goyal H, Tharian B, Inamdar S, Garg S. Endoscopic resection of multiple large gastric polyps. Endoscopy. 2020 Sep 11. PMID: 32916726.
      View in: PubMed
    5. Perisetti A, Goyal H, Tharian B. Role of TC-325 in GI tumor hemostasis. Gastrointest Endosc. 2020 Sep; 92(3):793-794. PMID: 32838916.
      View in: PubMed
    6. Gadiparthi C, Perisetti A, Sayana H, Tharian B, Inamdar S, Korman A. Gastrointestinal Bleeding in Patients with Severe SARS-CoV-2. Am J Gastroenterol. 2020 08; 115(8):1283-1285. PMID: 32516204.
      View in: PubMed
    7. Perisetti A, Tharian B, Allard FD, Goyal H, Inamdar S. Endoscopic resection of a giant duodenal mass. Endoscopy. 2020 Jun 26. PMID: 32590854.
      View in: PubMed
    8. Perisetti A, Deneke M, Thandassery R, Tharian B. Role of different types of stents in EUS-guided gallbladder drainage. Gastrointest Endosc. 2020 04; 91(4):961. PMID: 32204826.
      View in: PubMed
    9. Johnson KD, Laoveeravat P, Yee EU, Perisetti A, Thandassery RB, Tharian B. Endoscopic ultrasound guided liver biopsy: Recent evidence. World J Gastrointest Endosc. 2020 Mar 16; 12(3):83-97. PMID: 32218888.
      View in: PubMed
    10. Laoveeravat P, Perisetti A, Garcia-Saenz-de-Sicilia M, Garg S, Tharian B. Is combining therapy with indomethacin and epinephrine useful for preventing post-ERCP pancreatitis? The answer from a meta-analysis. Eur J Gastroenterol Hepatol. 2020 Mar; 32(3):459-460. PMID: 32011390.
      View in: PubMed
    11. Patel U, Xie JJ, Palmer Q, Khan S, Murray G, Tharian B. An Extraordinary Case of Extranodal Non-Hodgkin's Lymphoma Presenting as Common Bile Duct Mass. J Gastrointest Cancer. 2020 Mar; 51(1):359-362. PMID: 31463889.
      View in: PubMed
    12. Perisetti A, Laoveeravat P, Inamdar S, Tharian B, Thandassery R, Goyal H. Hepatitis E virus infection in liver transplant recipients: a descriptive literature review. Eur J Gastroenterol Hepatol. 2020 Feb 21. PMID: 32091436.
      View in: PubMed
    13. Johnson KD, Perisetti A, Tharian B, Thandassery R, Jamidar P, Goyal H, Inamdar S. Endoscopic Retrograde Cholangiopancreatography-Related Complications and Their Management Strategies: A "Scoping" Literature Review. Dig Dis Sci. 2020 02; 65(2):361-375. PMID: 31792671.
      View in: PubMed
    14. Yang D, Aihara H, Perbtani YB, Wang AY, Aadam AA, Tomizawa Y, Hwang JH, Zou B, Natov NS, Siegel A, Khoshknab MP, Khashab MA, Ngamruengphong S, Khara HS, Diehl DL, Maniere T, Andrawes S, Benias P, Kumta NA, Ramay F, Kim RE, Samarasena J, Chang K, Hashimoto R, Tharian B, Inamdar S, Lan G, Sethi A, Nosler MJ, Tabash A, Othman MO, Draganov PV. Safety and efficacy of endoscopic submucosal dissection for rectal neoplasia: a multicenter North American experience. Endosc Int Open. 2019 Dec; 7(12):E1714-E1722. PMID: 31803823.
      View in: PubMed
    15. Perisetti A, Garg S, Inamdar S, Tharian B. Role of face mask in preventing bacterial exposure to the endoscopist's face. Gastrointest Endosc. 2019 11; 90(5):859. PMID: 31635718.
      View in: PubMed
    16. Perisetti A, Inamdar S, Tharian B. Sedation in endoscopic gallbladder drainage in high-risk surgical patients. Gastrointest Endosc. 2019 08; 90(2):320-321. PMID: 31327344.
      View in: PubMed
    17. Laoveeravat P, Thavaraputta S, Suchartlikitwong S, Vutthikraivit W, Mingbunjerdsuk T, Motes A, Nugent K, Perisetti A, Tharian B, Islam S, Rakvit A. Optimal sequences of same-visit bidirectional endoscopy: Systematic review and meta-analysis. Dig Endosc. 2019 Jul 31. PMID: 31368170.
      View in: PubMed
    18. Trindade AJ, Benias PC, Alshelleh M, Bazarbashi AN, Tharian B, Inamdar S, Sharma N, Zelt C, Korrapati P, Barakat M, Sejpal DV, Ryou M. Fine-needle biopsy is superior to fine-needle aspiration of suspected gastrointestinal stromal tumors: a large multicenter study. Endosc Int Open. 2019 Jul; 7(7):E931-E936. PMID: 31304239.
      View in: PubMed
    19. Perisetti A, Raghavapuram S, Tharian B. Refractory cystic duct stump leak treated with fibrin glue. Endoscopy. 2019 07; 51(7):E170-E171. PMID: 30939614.
      View in: PubMed
    20. Augustine T, Perisetti A, Tharian B. Unusual Cause of Upper Gastrointestinal Bleeding in Cirrhosis. Clin Gastroenterol Hepatol. 2020 May; 18(5):e60-e61. PMID: 30902600.
      View in: PubMed
    21. Tham JE, Tharian B, Allen PB, Spence G, Tham TC. Oesophageal Stents for Potentially Curable Oesophageal Cancer - A Bridge to Surgery? Ulster Med J. 2019 Jan; 88(1):10-14. PMID: 30675071.
      View in: PubMed
    22. Perisetti A, Kopel J, Shredi A, Raghavapuram S, Tharian B, Nugent K. Prophylactic pre-esophagogastroduodenoscopy tracheal intubation in patients with upper gastrointestinal bleeding. Proc (Bayl Univ Med Cent). 2019 Jan; 32(1):22-25. PMID: 30956574.
      View in: PubMed
    23. Bang JY, Arnoletti JP, Holt BA, Sutton B, Hasan MK, Navaneethan U, Feranec N, Wilcox CM, Tharian B, Hawes RH, Varadarajulu S. An Endoscopic Transluminal Approach, Compared With Minimally Invasive Surgery, Reduces Complications and Costs for Patients With Necrotizing Pancreatitis. Gastroenterology. 2019 03; 156(4):1027-1040.e3. PMID: 30452918.
      View in: PubMed
    24. George NE, Tharian B, Lyo H, Jayarangaiah A, Youssef I, Singh J, McFarlane SI, Vignesh S. The Utility of Endoscopic Ultrasound-Guided Brachytherapy in Liver Metastasis: A Case Report and Review of the Literature. Am J Med Case Rep. 2018; 6(9):189-192. PMID: 30533523.
      View in: PubMed
    25. Bano K, Al-Shoha M, Raghavapuram S, George N, Perisetti A, Mallinger W, Tharian B. Gastric Cardia Cancer Masquerading as a Fundic Subepithelial Tumor. Am J Gastroenterol. 2018 10; 113(10):1428. PMID: 29899434.
      View in: PubMed
    26. Banerjee D, Raghavapuram S, George NE, Korourian S, Fedda FA, Perisetti A, Tharian B. Cholangiocarcinoma Presenting as Linitis Plastica with Unusual Metastases to the Psoas Muscle and Urinary Bladder. ACG Case Rep J. 2018; 5:e51. PMID: 30038923.
      View in: PubMed
    27. Banerjee D, Perisetti A, Raghavapuram S, George N, Tharian B. Successful Removal of Proximally Migrated Biliary Stent in a Liver Transplant Patient by Single-Operator Digital Cholangioscopy. ACG Case Rep J. 2018; 5:e50. PMID: 29951565.
      View in: PubMed
    28. Al-Shoha M, Nadeem U, George N, Raghavapuram S, Mallinger W, Tharian B. Verrucous carcinoma of the esophagus-remains a diagnostic enigma. Am J Gastroenterol. 2018 06; 113(6):919-921. PMID: 29748561.
      View in: PubMed
    29. Trindade AJ, Benias PC, Kurupathi P, Tharian B, Inamdar S, Sharma N, Sejpal DV, Siddiqui AA, Adler DG. Digital pancreatoscopy in the evaluation of main duct intraductal papillary mucinous neoplasm: a multicenter study. Endoscopy. 2018 11; 50(11):1095-1098. PMID: 29698989.
      View in: PubMed
    30. Girotra M, Soota K, Dhaliwal AS, Abraham RR, Garcia-Saenz-de-Sicilia M, Tharian B. Utility of endoscopic ultrasound and endoscopy in diagnosis and management of hepatocellular carcinoma and its complications: What does endoscopic ultrasonography offer above and beyond conventional cross-sectional imaging? World J Gastrointest Endosc. 2018 Feb 16; 10(2):56-68. PMID: 29467916.
      View in: PubMed
    31. Perisetti A, Raghavapuram S, Tharian B, Warraich I, Hardwicke F, Rahman R, Onkendi E. Pure Squamous Cell Carcinoma of the Gallbladder Masquerading as a Hepatic Mass. Cureus. 2018 Jan 01; 10(1):e2011. PMID: 29515940.
      View in: PubMed
    32. George N, Perisetti A, Raghavapuram S, Banerjee D, Kuo E, Tharian B. Metastatic duodenal germ cell tumor diagnosed with endoscopic ultrasound. Endoscopy. 2018 01; 50(1):E27-E28. PMID: 29126334.
      View in: PubMed
    33. Tharian B, Krall K, Zhu X, George N, Chambers M, Varadarajulu S, Hebert-Magee S. Endosonographer-driven dynamic telecytopathology of pancreatic lesions-a pilot study. J Am Soc Cytopathol. 2018 Mar - Apr; 7(2):86-91. PMID: 31043257.
      View in: PubMed
    34. Perisetti A, Raghavapuram S, Tharian B. Pearly Esophageal Papules: An Innocent Bystander in the Evaluation of Dysphagia. Clin Gastroenterol Hepatol. 2018 11; 16(11):e114-e115. PMID: 28911948.
      View in: PubMed
    35. Perisetti A, Banerjee D, Tharian B. Endoscopic Resection of Esophageal Mucosal Bridge. Gastroenterology. 2018 Jun; 154(8):2033-2034. PMID: 28899721.
      View in: PubMed
    36. Perisetti A, Raghavapuram S, Tharian B. Cholelithiasis in a Patient With History of Cholecystectomy. Clin Gastroenterol Hepatol. 2018 06; 16(6):e66-e67. PMID: 28870658.
      View in: PubMed
    37. George N, Raghavapuram S, Tharian B. Widefield Endoscopic Mucosal Resection for Treatment of Proximal Esophageal Leukoplakia. Clin Gastroenterol Hepatol. 2018 04; 16(4):e45. PMID: 28804029.
      View in: PubMed
    38. George NE, Raghavapuram S, Banerjee D, Al-Shoha M, Fedda F, Tharian B. Ectopic Hepatocellular Carcinoma within a Choledochal Cyst Diagnosed Using Single-Operator Digital Cholangioscopy. Am J Gastroenterol. 2017 Aug; 112(8):1347-1348. PMID: 28766569.
      View in: PubMed
    39. Perisetti A, George N, Raghavapuram S, Sheikh AB, Girotra M, Tharian B. Endoscopic Dissolution of Gastric Lipoma with Argon Plasma Coagulation. Cureus. 2017 Jul 31; 9(7):e1526. PMID: 28975061.
      View in: PubMed
    40. Thandassery RB, Kaabi SA, Soofi ME, Tharian B, Singh R. Noninvasive serum models to predict significant liver related events in chronic hepatitis C. Hepatol Int. 2017 Jul; 11(4):401-408. PMID: 28634687.
      View in: PubMed
    41. Raghavapuram S, George N, Girotra M, Siddique S, Tharian B. Downhill esophageal varices: unusual cause of hematemesis. VideoGIE. 2017 Sep; 2(9):231-232. PMID: 29905318.
      View in: PubMed
    42. Banerjee D, Raghavapuram S, Jeffus S, Murphy S, Tharian B. Linitis plastica: a harbinger of an unusual cause of gastric wall thickening. VideoGIE. 2017 Sep; 2(9):236-237. PMID: 29905314.
      View in: PubMed
    43. Khan S, George N, Tharian B. Extraluminal migration of an esophageal metal stent causing splenic injury. Endoscopy. 2016 0; 48(S 01):E326. PMID: 27741526.
      View in: PubMed
    44. Raghavapuram S, Girotra M, Robertson JD, Pandey T, Tharian B. Successful management of ischemic cholangiopathy after failed endoscopic/percutaneous interventions, facilitated by digital cholangioscopy. Gastrointest Endosc. 2016 Dec; 84(6):1053-1054. PMID: 27449196.
      View in: PubMed
    45. Girotra M, Raghavapuram S, Tharian B. Successful removal of deeply migrated pancreatic stent using biliary dilation balloon and the new single-operator digital cholangioscope. Gastrointest Endosc. 2016 Dec; 84(6):1061-1062. PMID: 27449191.
      View in: PubMed
    46. George N, Khan S, Khoo E, Masood T, Tharian B. Watch Your Speed-A Traumatic Case of Budd-Chiari Syndrome. Am J Gastroenterol. 2016 Jul; 111(7):1045-6. PMID: 27356839.
      View in: PubMed
    47. Tharian B, George N, Navaneethan U. Endoscopy in the Diagnosis and Management of Complications of Inflammatory Bowel Disease. Inflamm Bowel Dis. 2016 May; 22(5):1184-97. PMID: 26717320.
      View in: PubMed
    48. Tharian B, Varadarajulu S, Hawes R. Drainage of obstructed gallbladder with use of lumen-apposing metal stent. Gastrointest Endosc. 2016 Feb; 83(2):460-1. PMID: 26278653.
      View in: PubMed
    49. Yilmaz N, Zeybek A, Tharian B, Yilmaz UE. Efficacy of nonsurgical tigecycline pleurodesis for the management of hepatic hydrothorax in patients with liver cirrhosis. Surg Case Rep. 2015; 1(1):62. PMID: 26366359.
      View in: PubMed
    50. Tharian B, George NE, Tham TC. What is the current role of endoscopy in primary sclerosing cholangitis? World J Gastrointest Endosc. 2015 Aug 10; 7(10):920-7. PMID: 26265986.
      View in: PubMed
    51. Tharian B, Canipe A, Navaneethan U, Varadarajulu S, Hawes R, Hasan M. Successful removal of a foreign body from a gallbladder remnant by using a new single-operator digital cholangioscope. Gastrointest Endosc. 2015 Dec; 82(6):1125. PMID: 26215645.
      View in: PubMed
    52. Holt BA, Hawes R, Hasan M, Canipe A, Tharian B, Navaneethan U, Varadarajulu S. Biliary drainage: role of EUS guidance. Gastrointest Endosc. 2016 Jan; 83(1):160-5. PMID: 26215648.
      View in: PubMed
    53. Hasan M, Canipe A, Tharian B, Navaneethan U, Varadarajulu S, Hawes R. Digital cholangioscopy-directed removal of a surgical staple from a strictured bile duct. Gastrointest Endosc. 2015 Nov; 82(5):958. PMID: 26117180.
      View in: PubMed
    54. Lourdusamy V, Tharian B, Navaneethan U. Biomarkers in bile-complementing advanced endoscopic imaging in the diagnosis of indeterminate biliary strictures. World J Gastrointest Endosc. 2015 Apr 16; 7(4):308-17. PMID: 25901209.
      View in: PubMed
    55. Tharian B, Canipe AL, Krall K, Hawes RH, Hébert-Magee S. Ring around the ROSE: pancreatic acinar cell carcinoma diagnosed on site by EUS-FNA. Gastrointest Endosc. 2015 Apr; 81(4):1049-50. PMID: 25805480.
      View in: PubMed
    56. Majumdar A, Delatycki MB, Crowley P, Lokan J, Tharian B, Angus PW, Gow P. An autosomal dominant form of non-cirrhotic portal hypertension. J Hepatol. 2015 Aug; 63(2):525-7. PMID: 25796481.
      View in: PubMed
    57. Talwar A, George N, Tharian B, Roberts-Thomson J. An immunosuppressed man with an aortic rupture secondary to Salmonella aortitis successfully treated with endovascular aortic repair. Ann Vasc Surg. 2015 May; 29(4):839.e5-8. PMID: 25722250.
      View in: PubMed
    58. Holt BA, Hearn G, Hawes R, Tharian B, Varadarajulu S. Development and evaluation of a 3D printed endoscopic ampullectomy training model (with video). Gastrointest Endosc. 2015; 81(6):1470-1475.e5. PMID: 25986114.
      View in: PubMed
    59. Tharian B, George N, Turkington J, Caddy GR. Hoarseness and hematemesis: a deadly combination. Am J Gastroenterol. 2014 Feb; 109(2):299-300. PMID: 24496432.
      View in: PubMed
    60. Tharian B, Caddy G, Tham TC. Enteroscopy in small bowel Crohn's disease: A review. World J Gastrointest Endosc. 2013 Oct 16; 5(10):476-86. PMID: 24147191.
      View in: PubMed
    61. Tharian B, Tsiopoulos F, George N, Pietro SD, Attili F, Larghi A. Endoscopic ultrasound fine needle aspiration: Technique and applications in clinical practice. World J Gastrointest Endosc. 2012 Dec 16; 4(12):532-44. PMID: 23293723.
      View in: PubMed
    62. Joshy S, Tharian B. Wound drainage versus non-drainage for proximal femoral fractures. A prospective randomised study. Injury. 2006 Jan; 37(1):85. PMID: 16384556.
      View in: PubMed
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