FacultyHeader
Biosketch

Dr. Parupudi is currently an Associate Professor in the Division of Gastroenterology and Hepatology, Department of Internal Medicine at The University of Texas Medical Branch (UTMB) in Galveston. Dr. Parupudi earned his MBBS degree with honors, in 1986 from Andhra Medical College, Visakhapatnam, India. He did his Internal Medicine residency training and GI fellowship training at the Post-Graduate Institute of Medical Education & Research, Chandigarth, India. He was trained in Advanced Therapeutic Endoscopy from Universtaet Krankenhaus Eppendorf, Hamburg, Germany under Prof. Nib Soehendra.

Dr. Parupudi is Board Certified in Internal Medicine. He is a Fellow of American college of Physicians (FACP) and American College of Gastroenterology (FACG).

He is also a member of the American Medical Association, Southern Society for Clinical Investigation, Society of Gastrointestinal Endoscopy of India.

Clinical Interest

Dr Parupudi's expertise is in Advanced Therapeutic Endoscopy including removal of large polyps, mucosal resection, dilataion and stenting of strictures, endoscopic control of gastrointestinal bleeding, diagnostic & therapeutic EUS and ERCP. His additional interests include training issues in advanced endoscopy and quality in endoscopy.

Peer Reviewed Publications
  1. Islam S, Islam E, Attaya H, Parupudi S, Shami M, Gonzalez MF, Wachtel M, Nugent K. Congenital hypertrophy retinal pigment epithelium as a manifestation of colon cancer. Am J Gastroenterol. 2010 Nov;105(11):2510-1.
  2. Islam SR, Attaya MN, Parupudi S, Islam EA, D'Cunha N, Labib S, Hodges D, Nugent K. Sigmoid plasmacytoma mimicking colon cancer in a patient with multiple myeloma: case report and review of literature. Gastrointest Endosc. 2009.
  3. Szczypiński PM, Sriram RD, Sriram PV, Reddy DN. A Model of Deformable Rings for Interpretation of Wireless Capsule Endoscopic Videos. Med Image Anal 2009; 13(2):312-24.
  4. Fritscher-Ravens A, Sriram PV. Interventional EUS: Future Perspectives. Techniques of GI Endoscopy 2007;9: 59-66.
  5. Mateen MA, Kaffes AJ, Sriram PV, Rao GV, Reddy DN. Modified technique of high-resolution ultrasonography of the normal cervical esophagus. J Gastroenterol Hepatol. 2006;21(11):1660-3.
  6. Sriram PV, Tandon M, Rao GV, Reddy DN. Endoscopic ultrasound features of biliary ascariasis. Indian J Gastroenterol. 2006;25(1):50.
  7. Sriram PV, Rao GV, Reddy ND. Successful closure of spontaneous esophageal perforation (Boerhaave's syndrome) by endoscopic clipping. Indian J Gastroenterol. 2006;25(1):39-41.
  8. Kaffes AJ, Sriram PV, Rao GV, Santosh D, Reddy DN. Early institution of pre-cutting for difficult biliary cannulation: a prospective study comparing conventional vs. a modified technique. Gastrointest Endosc. 2005;62(5):669-74.
  9. Seewald S, Groth S, Omar S, Imazu H, Seitz U, de Weerth A, Soetikno R, Zhong Y, Sriram PV, Ponnudurai R, Sikka S, Thonke F, Soehendra N. Aggressive endoscopic therapy for pancreatic necrosis and pancreatic abscess: a new safe and effective treatment algorithm (videos). Gastrointest Endosc. 2005;62(1):92-100.
  10. Banerjee R, Rao GV, Sriram PV, Pavan Reddy KS, Reddy DN. Button battery ingestion. Indian J Pediatr. 2005;72(2):173-4.
  11. Sriram PV, Kaffes AJ, Rao GV, Reddy DN. Endoscopic ultrasound-guided drainage of pancreatic pseudocysts complicated by portal hypertension or by intervening vessels. Endoscopy. 2005;37(3):231-5.
  12. Sriram PV, Ramakrishnan A, Rao GV, Nageshwar Reddy D. Spontaneous fracture of a biliary self-expanding metal stent. Endoscopy. 2004;36(11):1035-6.
  13. Sriram PV, Reddy KS, Rao GV, Santosh D, Reddy DN. Infliximab in the treatment of ulcerative colitis with toxic megacolon. Indian J Gastroenterol. 2004;23(1):22-3.
  14. Sriram PV, Rao GV, Reddy DN. Wireless capsule Endoscopy: experience in a tropical country. J Gastroenterol Hepatol. 2004;19(1):63-7.
  15. Sriram PV, Kaffes AJ, Rao GV, Nageshwar Reddy D. Endosonographic features of primary esophageal melanoma. Digest Endosc 2004;16:249-252.
  16. Nageshwar Reddy D, Kaffes AJ, Sriram PV, Rao GV. Capsule endoscopic features of Crohn's disease. Digest Endosc 2004; 16:138-142.
  17. Reddy DN, Sriram PV, Rao GV. Endoscopic diagnosis and management of tropical parasitic infestations. Gastrointest Endosc Clin N Am. 2003;13(4):765-73, x-xi.
  18. Sriram PV, Rao GV, Nageshwar Reddy D. The precut--when, where and how? A review. Endoscopy. 2003;35(8):S24-30.
  19. Reddy DN, Sriram PV, Rao GV, Reddy DB. Capsule Endoscopy appearances of small-bowel tuberculosis. Endoscopy. 2003;35(1):99.
  20. Reddy DN, Rao GV, Sriram PV. Efficacy and safety of oral sodium phosphate versus polyethylene glycol solution for bowel preparation for colonoscopy. Indian J Gastroenterol. 2002;21(6):219-21.
  21. Seewald S, Groth S, Sriram PV, Xikun H, Akaraviputh T, Mendoza G, Brand B, Seitz U, Thonke F, Soehendra N. Endoscopic treatment of biliary leakage with n-butyl-2 cyanoacrylate. Gastrointest Endosc. 2002;56(6):916-9.
  22. Seewald S, Sriram PV, Naga M, Fennerty MB, Boyer J, Oberti F, Soehendra N. Cyanoacrylate glue in gastric variceal bleeding. Endoscopy. 2002;34(11):926-32.
  23. Brand B, Oesterhelweg L, Binmoeller KF, Sriram PV, Bohnacker S, Seewald S, De Weerth A, Soehendra N. Impact of endoscopic ultrasound for evaluation of submucosal lesions in gastrointestinal tract. Dig Liver Dis. 2002;34(4):290-7.
  24. Chandak GR, Idris MM, Reddy DN, Bhaskar S, Sriram PV, Singh L. Mutations in the pancreatic secretory trypsin inhibitor gene (PSTI/SPINK1) rather than the cationic trypsinogen gene (PRSS1) are significantly associated with tropical calcific pancreatitis. J Med Genet. 2002;39(5):347-51.
  25. Sriram PV, Rao GV, Reddy DN. Laparoscopically assisted panenteroscopy. Gastrointest Endosc. 2001;54(6):805-6.
  26. Reddy DN, Sriram PV, Das G, Rao GV. Endoscopic treatment of pancreatic disorders. Trop Gastroenterol. 2001;22(3):149-54.
  27. Sriram PV, Das G, Rao GV, Reddy DN. Another novel use of endoscopic clipping: to anchor an esophageal endoprosthesis. Endoscopy. 2001;33(8):724-6.
  28. Brand B, Wiese L, Thonke F, Sriram PV, Jaeckle S, Seitz U, Bohnacker S, Soehendra N. Outcome of endoscopic sphincterotomy in patients with pain of suspected biliary or papillary origin and inconclusive cholangiography findings. Endoscopy. 2001;33(5):405-8.
  29. Seewald S, Seitz U, Thonke F, Sriram PV, He XK, Soehendra N. Interventional endoscopic treatment of upper gastrointestinal bleeding--when, how, and how often. Langenbecks Arch Surg. 2001;386(2):88-97.
  30. Sriram PV, Rao GV, Das G, Sharma PP, Reddy DN. Gall bladder agenesis, pancreas divisum and undescended testes: a rare association. Indian J Gastroenterol. 2001;20(2):71-2.
  31. Soehendra N, Sriram PV, Ponchon T, Chung SC. Hemostatic clip in gastrointestinal bleeding. Endoscopy. 2001;33(2):172-80.
  32. Fritscher-Ravens A, Sriram PV, Krause C, Atay Z, Jaeckle S, Thonke F, Brand B, Bohnacker S, Soehendra N. Detection of pancreatic metastases by EUS-guided fine-needle aspiration. Gastrointest Endosc. 2001;53:65-70.
  33. Fritscher-Ravens A, Sriram PV, Soehendra N. Technique of endoscopic ultrasonography-guided fine-needle aspiration of mediastinal lymph nodes. Techniques of GI Endoscopy; June 2000.
  34. Brand B, Kahl M, Sidhu S, Nam VC, Sriram PV, Jaeckle S, Thonke F, Soehendra N. Prospective evaluation of morphology, function, and quality of life after extracorporeal shockwave lithotripsy and endoscopic treatment of chronic calcific pancreatitis. Am J Gastroenterol. 2000;95(12):3428-38.
  35. Brand B, Pfaff T, Binmoeller KF, Sriram PV, Fritscher-Ravens A, Knofel WT, Jackle S, Soehendra N. Endoscopic ultrasound for differential diagnosis of focal pancreatic lesions, confirmed by surgery. Scand J Gastroenterol. 2000;35(11):1221-8.
  36. Ribeiro FR, Sriram PV, Nam VC, Seitz U, Thonke F, Soehendra N. Endoscopic treatment of chronic pancreatitis in a case of "horseshoe" pancreas. Gastrointest Endosc. 2000;52(5):687-9.
  37. Fritscher-Ravens A, Sriram PV, Topalidis T, Hauber HP, Meyer A, Soehendra N, Pforte A. Diagnosing sarcoidosis using endosonography-guided fine-needle aspiration. Chest. 2000;118(4):928-35.
  38. Fritscher-Ravens A, Broering DC, Sriram PV, Topalidis T, Jaeckle S, Thonke F, Soehendra N. EUS-guided fine-needle aspiration cytodiagnosis of hilar cholangiocarcinoma: a case series. Gastrointest Endosc. 2000;52(4):534-40.
  39. Fritscher-Ravens A, Sriram PV, Bobrowski C, Pforte A, Topalidis T, Krause C, Jaeckle S, Thonke F, Soehendra N. Mediastinal lymphadenopathy in patients with or without previous malignancy: EUS-FNA-based differential cytodiagnosis in 153 patients. Am J Gastroenterol. 2000;95(9):2278-84.
  40. Fritscher-Ravens A, Izbicki JR, Sriram PV, Krause C, Knoefel WT, Topalidis T, Jaeckle S, Thonke F, Soehendra N. Endosonography-guided, fine-needle aspiration cytology extending the indication for organ-preserving pancreatic surgery. Am J Gastroenterol. 2000;95(9):2255-60.
  41. Bohnacker S, Sriram PV, Soehendra N. The role of endoscopic therapy in the treatment of bleeding varices. Baillieres Best Pract Res Clin Gastroenterol. 2000;14(3):477-94.
  42. Fritscher-Ravens A, Sriram PV, Topalidis T, Jaeckle S, Thonke F, Soehendra N. Endoscopic ultrasonography-guided fine-needle cytodiagnosis of mediastinal metastases from renal cell cancer. Endoscopy. 2000;32(7):531-5.
  43. Sriram PV, Seitz U, Soehendra N, Schroeder S. Endoscopic appendectomy in a case of appendicular intussusception due to endometriosis, mimicking a cecal polyp. Am J Gastroenterol. 2000;95(6):1594-6.
  44. Sinha SK, Bapuraj R, Kumar S, Ray J, Sriram PV, Kochhar R, Singh K. Gastroduodenal artery pseudoaneurysm: metal coil embolization. Trop Gastroenterol. 2000;21(2):75-6.
  45. Fritscher-Ravens A, Sriram PV, Schroder S, Topalidis T, Bohnacker S, Soehendra N. Stromal tumor as a pitfall in EUS-guided fine-needle aspiration cytology. Gastrointest Endosc. 2000;51(6):746-9.
  46. Sriram PV, Weise C, Seitz U, Brand B, Schroder S, Soehendra N. Lymphangioma of the major duodenal papilla presenting as acute pancreatitis: treatment by endoscopic snare papillectomy. Gastrointest Endosc. 2000;51(6):733-6.
  47. Fritscher-Ravens A, Sriram PV, Pothman WP, Fullekrug B, Jackle S, Thonke F, Soehendra N. Bedside endosonography and endosonography-guided fine-needle aspiration in critically ill patients: a way out of the deadlock? Endoscopy. 2000;32(5):425-7.
  48. Fritscher-Ravens A, Soehendra N, Schirrow L, Sriram PV, Meyer A, Hauber HP, Pforte A. Role of transesophageal endosonography-guided fine-needle aspiration in the diagnosis of lung cancer. Chest. 2000;117(2):339-45.
  49. Seitz U, Sriram PV, Soehendra N. Technique of endoscopic clipping in non-variceal gastrointestinal bleeding. Techniques of GI Endoscopy; Jan 2000.
  50. Nageshwar Reddy D, Das G, Rao GV, Sriram PV. Role of ERCP in the era of laparoscopic cholecystectomy. Gastroenterology Today 2000.
  51. Nageshwar Reddy D, Rao GV, Sriram PV, Das G. Enteroscopy. Journal of Laparoscopy and Hepatobiliary Surgery 2000; 1-4.
  52. Fritscher-Ravens A, Sriram PV, Thonke F, Jaeckle S, Maydeo A, Soehendra N. Synchronous adenocarcinoma in the transposed colonic conduit after esophagectomy for squamous cell cancer: endoscopic palliative resection while awaiting surgery. Gastrointest Endosc. 1999;50(6):852-4.
  53. Malhotra P, Sriram PV, Kochhar R, Rajwanshi A, Radotra BD, Varma S. Teratocarcinoma presenting with duodenal metastases diagnosed on endoscopic fine needle aspiration. Indian J Gastroenterol. 1999;18(4):175.
  54. Kochhar R, Kumar S, Goel RC, Sriram PV, Goenka MK, Singh K. Pregnancy and its outcome in patients with noncirrhotic portal hypertension. Dig Dis Sci. 1999;44(7):1356-61.
  55. Kochhar R, Sriram PV, Rajwanshi A, Gulati M, Kochhar S, Nagi B, Suri S. Transesophageal endoscopic fine-needle aspiration cytology in mediastinal tuberculosis. Gastrointest Endosc. 1999;50(2):271-4.
  56. Bhasin DK, Sharma BC, Sriram PV, Makharia G, Singh K. Endoscopic management of bleeding ectopic varices with histoacryl. HPB Surg. 1999;11(3):171-3.
  57. Kochhar R, Sriram PV, Sharma SC, Goel RC, Patel F. Natural history of late radiation proctosigmoiditis treated with topical sucralfate suspension. Dig Dis Sci. 1999;44(5):973-8.
  58. Kochhar R, Ray JD, Sriram PV, Kumar S, Singh K. Intralesional steroids augment the effects of endoscopic dilation in corrosive esophageal strictures. Gastrointest Endosc. 1999;49(4 Pt 1):509-13.
  59. Kochhar R, Sriram PV, Ray JD, Kumar S, Nagi B, Singh K. Intralesional steroid injections for corrosive induced pyloric stenosis. Endoscopy. 1998;30(8):734-6.
  60. Sriram PV, Kochhar R, Singh K. Role of endoscopic ultrasonography in guiding intralesional steroid injections in esophageal strictures. Endoscopy. 1998;30(8):742-3.
  61. Bhasin DK, Dhavan S, Sriram PV, Nagi B, Varma V, Singh G, Behra A, Singh K. Endoscopic management of pancreatic diseases. Indian J Gastroenterol. 1997;16(4):151-2.
  62. Ray JD, Sriram PV, Kumar S, Kochhar R, Vaiphei K, Singh K. Primary duodenal tuberculosis diagnosed by endoscopic biopsy. Trop Gastroenterol. 1997;18(2):74-5.
  63. Bhasin DK, Sriram PV, Nagi B, Verma V, Singh K. Endoscopic stenting of minor papilla for symptomatic pancreas divisum. Indian J Gastroenterol. 1997;16(1):30-1.
  64. Goenka MK, Vaiphei K, Nagi B, Sriram PV, Joshi K, Kochhar R. Angioimmunoblastic lymphadenopathy: an etiology for gastrointestinal lymphomatous polyposis. Am J Gastroenterol. 1996;91(6):1236-8.

Book Chapters
  1. Parupudi S, Subbaramaiah S. The Technique of EUS-FNA. Book chapter in strong>Diagnostic and Therapeutic Procedures in Gastroenterology: An Illustrated Guide to appear in the Clinical Gastroenterology series, by The Humana Press (submitted).
  2. Subbaramaiah S, Parupudi S, Schade R. Documentation and description of endoscopic procedures. Book chapter in Diagnostic and Therapeutic Procedures in Gastroenterology: An Illustrated Guide to appear in the Clinical Gastroenterology series, by The Humana Press (submitted).
  3. Fritscher-Ravens A, Sriram PV. Endosurgical applications of EUS. Book chapter in Shami V, Kahaleh M (Ed) Endoscopic Ultrasound being published by The Humana Press Inc., New Jersey (accepted).
  4. Seitz U, Sriram PV, Seewad S, Thonke F, Soehendra N. Role of endoscopy in orthotopic liver transplantation. In: Diagnostic and Interventional Radiology in Liver Transplantation. Bucheler E, Nicolas V, Broelsch CE, Rogiers X, Krupski G (Eds). Springer-Verlag. Berlin 2002.
  5. Seitz U, Sriram PV, Seewad S, Thonke F, Soehendra N. Therapeutic endoscopy in the management of biliary complications after orthotopic liver transplantation. In: Diagnostic and Interventional Radiology in Liver Transplantation. Bucheler E, Nicolas V, Broelsch CE, Rogiers X, Krupski G (Eds). Springer-Verlag. Berlin 2002.
  6. Sriram PV, Borkar D, Rao GV, Reddy DN. Endoscopic ultrasonography in children. In: Recent Advances in Pediatric Clinical Gastroenterology. Thapa BR. Ed. RELUME Printec. Chandigarh, 2001; pp. 260-74.
  7. Sriram PV, Borkar D, Rao GV, Reddy DN. Pancreatic endotherapy in children. In: Recent Advances in Pediatric Clinical Gastroenterology. Thapa BR. Ed. RELUME Printec. Chandigarh, 2001; pp. 244-59.
  8. Rao GV, Borkar D, Sriram PV, Reddy DN. Role of diagnostic and therapeutic ERCP in hepatobiliary disorders in children. In: Recent Advances in Pediatric Clinical Gastroenterology. Thapa BR. Ed. RELUME Printec. Chandigarh, 2001; pp. 244-59
  9. Rao GV, Borkar D, Sriram PV, Reddy DN. Role of diagnostic and therapeutic laparoscopy in pediatric gastroenterology. In: Recent Advances in Pediatric Clinical Gastroenterology. Thapa BR. Ed. RELUME Printec. Chandigarh, 2001; pp. 275-81.
  10. Nageshwar Reddy D, Sriram PV. Clinical approach to GI bleeding. Asian-Oceanian seminars on diagnostic and interventional radiology. In: Subbarao K, Abkari A. Ed. Gastrointestinal and hepatobiliary imaging. BRACCO. Hyderabad. 2000.
  11. Albores-Saavedra J, Menck HR, Scoazec JC, Soehendra N, Wittekind Ch, Sriram PV, Sripa B: Carcinoma of the gallbladder and extrahepatic ducts. Diagnosis and management. In: WHO Classification of Tumours. Pathology and Genetics Tumours of the Digestive System. Hamilton SR, Aaltonen LA, eds. IARC Press, Lyon, 1999; 206-214.
  12. Soehendra N, Bohnacker S, Sriram PV. Papillary adenoma: an endoscopic challenge. In: Proceedings of the Falk Symposium 116 (25 October, 1999) on Interventional Endoscopy in Hepatology. Kulwert academic publishers, Lancaster, U.K.
  13. Kochhar R, Sriram PV. Sphincterotomoes. In: Manual of therapeutic GI endoscopy. Nageshwar Reddy D, Rao GV. Eds. PARAS medical publisher. Hyderabad. 1998.