https://medicine.ouhsc.edu/academic-departments Parent Page: Academic Departments id: 22558 Active Page: Current Fellowsid:22560

PGY6

Jiteshwar Singh Pannu, MD

Jiteshwar S. Pannu, MD

Gastroenterology Fellow

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Bishr Swar, MD

Bishr Swar, MD

Gastroenterology Fellow

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Shana R. Usiukiewicz, MD

Shana R. Usiukiewicz, MD

Gastroenterology Fellow

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PGY5

Patrick Pierce Boddie, MD

Patrick Pierce Boddie, MD

Gastroenterology Fellow

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C. Adam Bouvette MD

C. Adam Bouvette, MD

Gastroenterology Fellow

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Taha Khan, MD

Taha Khan, MD

Gastroenterology Fellow

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PGY4

Apurva Shrigiriwar, MD
Internal Medicine

Apurva Shrigiriway, MD

Gastroenterology Fellow

800 Stanton L. Young Blvd.
ATT 7400
Oklahoma City, OK  73104

405-271-5585

Apurva-Shrigiriwar@ou.edu

Academic Section(s):

Digestive Diseases and Nutrition

Education:

2015-2022  MD, Seth GS Medical College and KEM Hospital, Mumbai,
                      India 
2022-2023  Post-doctoral research fellow, Johns Hopkins Hospital,
                     Baltimore, MD 

Residency:

2023-2026  Department of Medicine, University of Oklahoma Health
                     Sciences Center, Oklahoma City, OK

Memberships:

American College of Gastroenterology
American College of Physicians
American Society for Gastroentestinal Endoscopy  

Select Publications:

2025

  1. Almario JA, Mehta A, Shrigiriwar A, et al. Short-term clinical and technical outcomes of a modified Zenker's peroral endoscopic myotomy with mucosal flap incision. Endoscopy. 2025 Apr;57(4):348-353. PMID: 39447609. [profiles.ouhsc.edu]
  2. Fayyaz F, Patil G, Bedi HK, Shrigiriwar A, et al. Open Zenker's peroral endoscopic myotomy: technical and clinical outcomes of a novel technique (with videos). Gastrointestinal Endoscopy. 2025 Feb 28. PMID: 40024287. [profiles.ouhsc.edu]

2024

  1. Assefa RL, Bejjani M, Mehta A, Shrigiriwar A, et al. Peroral endoscopic myotomy as a treatment for Killian-Jamieson diverticulum (KJ-POEM). Endoscopy International Open. 2024 Oct;12(10):E1214-E1219. PMID: 39474487. [profiles.ouhsc.edu]
  2. Mehta A, Ashhab A, Shrigiriwar A, et al. Evaluating no fixation, endoscopic suture fixation, and an over-the-scope clip for anchoring fully covered self-expanding metal stents in benign upper gastrointestinal conditions: a comparative multicenter international study. Gastrointestinal Endoscopy. 2024 Aug 22. PMID: 39179133. [profiles.ouhsc.edu]
  3. Shrigiriwar A, Mony S, Fayyaz F, et al. Clinical outcomes of peroral endoscopic myotomy with and without septotomy for management of epiphrenic diverticula: an international multicenter experience. Gastrointestinal Endoscopy. 2024 May 23. PMID: 38795736. [profiles.ouhsc.edu]
  4. Alsaad AA, Massoud D, Shrigiriwar A, et al. Endoscopic vacuum therapy for nonhealing cavity with fistulous tract after peroral endoscopic myotomy for Zenker's diverticulum. VideoGIE. 2024 Mar;9(3):117-118. PMID: 38482472. [profiles.ouhsc.edu]
  5. Bejjani M, Shrigiriwar A, Ghandour B, et al. Use of a cholangioscope for appendixoscopy and detecting a residual appendiceal adenoma. VideoGIE. 2024 Jan;9(1):29-30. PMID: 38261847. [profiles.ouhsc.edu]

2023

  1. Swei E, Mehta A, Almario JA, Shrigiriwar A, et al. Over-the-bar peroral endoscopic myotomy for the therapy of treatment-refractory cricopharyngeal dysphagia. VideoGIE. 2023 Nov;8(11):429-431. PMID: 38026713. [profiles.ouhsc.edu]
  1. Garg T, Khorshidi F, Habibollahi P, Shrigiriwar A, et al. How I Do It: Endovascular Management of Acute Nonvariceal Gastrointestinal Bleeding. Seminars in Interventional Radiology. 2023 Oct;40(5):475-490. PMID: 37927517. [profiles.ouhsc.edu], [pubmed.ncb...lm.nih.gov]
  2. Ashat M, El-Abiad R, Shrigiriwar A, Khashab MA. Interventional Endoscopic Ultrasound: Current Status and Future Frontiers. American Journal of Gastroenterology. 2023 Oct;118(10):1768-1778. PMID: 37646335. [profiles.ouhsc.edu]
  3. Bi D, Shrigiriwar A, Khashab MA. Response. Gastrointestinal Endoscopy. 2023 Sep;98(3):468-469. PMID: 37597939. [profiles.ouhsc.edu]
  4. Almario JA, Zhang LY, Cohen J, et al. Through-the-scope suture closure of nonampullary duodenal endoscopic mucosal resection defects: a retrospective multicenter cohort study. Endoscopy. 2023 Sep;55(9):865-870. PMID: 37207666. [profiles.ouhsc.edu]
  5. Mony S, Shrigiriwar A, Khashab MA. Direct endoscopic necrosectomy using the novel 5-mm powered endoscopic debridement device: The larger winner? VideoGIE. 2023 Jul;8(7):283-285. PMID: 37456220. [profiles.ouhsc.edu]
  6. Bi D, Zhang LY, Alqaisieh M, Shrigiriwar A, et al. Novel through-the-scope suture closure of colonic EMR defects (with video). Gastrointestinal Endoscopy. 2023 Jul;98(1):122-129. PMID: 36889364. [profiles.ouhsc.edu]
  7. Zhang LY, Hernández Mondragón O, Pioche M, et al. Zenker's peroral endoscopic myotomy for management of large Zenker's diverticulum. Endoscopy. 2023 Jun;55(6):501-507. PMID: 36827992. [profiles.ouhsc.edu]
  8. Shrigiriwar A, Khashab MA. Response. Gastrointestinal Endoscopy. 2023 Apr;97(4):808. PMID: 36958920. [profiles.ouhsc.edu]
  9. Shrigiriwar A, Mony S, Zhang LY, Khashab MA. Iatrogenic perforation during lumen-apposing metal stent deployment closed using an over-the-scope stent fixation clip device. VideoGIE. 2023 Mar;8(3):100-103. PMID: 36935806. [profiles.ouhsc.edu]
  10. Shrigiriwar A, Zhang LY, Ghandour B, Bejjani M, Mony S, Bapaye A, Khashab MA. Technical details and outcomes of peroral endoscopic myotomy with fundoplication: the first U.S. experience (with video). Gastrointestinal Endoscopy. 2023 Mar;97(3):585-593. PMID: 36265528. [profiles.ouhsc.edu]
  11. Mony S, Shrigiriwar A, Canakis A, Khashab MA. Peroral endoscopic myotomy using an endoscopic dissector: another novel device in our toolbox. VideoGIE. 2023 Jan;8(1):5-7. PMID: 36644240. [profiles.ouhsc.edu]

2022

  1. Garg T, Shrigiriwar A, Habibollahi P, et al. Intraarterial Therapies for the Management of Hepatocellular Carcinoma. Cancers (Basel). 2022;14(14). PMID: 35884412. [profiles.ouhsc.edu]
  2. Mansur A, Garg T, Shrigiriwar A, et al. Image-Guided Percutaneous Ablation for Primary and Metastatic Tumors. Diagnostics (Basel). 2022;12(6). PMID: 35741109. [profiles.ouhsc.edu]
  3. Garg T, Som A, Shrigiriwar A, et al. Evaluation of International Research Contributions to the Vascular Group of Cochrane Systematic Reviews: A 23-Year Analysis from 1998 to 2021. Journal of Vascular and Interventional Radiology. 2022;33(6):734-736. PMID: 35218921. [profiles.ouhsc.edu]

2021

  1. Garg T, Shrigiriwar A. Radiation Protection in Interventional Radiology. Indian Journal of Radiology and Imaging. 2021;31(4):939-945. PMID: 35136507. [profiles.ouhsc.edu]
  2. Garg T, Shrigiriwar A, Garg V. Pre-operative embolization for carotid body tumors. British Journal of Neurosurgery. 2021. PMID: 33522284. [profiles.ouhsc.edu]
  3. Garg T, Shrigiriwar A. Managing expectations: How to navigate legal and ethical boundaries in the era of social media. Clinical Imaging. 2021;72:175-177. PMID: 33296827. [profiles.ouhsc.edu]
  4. Garg T, Shrigiriwar A, Dave N. Capping Number of Residency Interviews: Potential Solution to a Challenging Problem. Academic Radiology. 2021;28(2):289. PMID: 33277113. [profiles.ouhsc.edu]
  5. Garg T, Shrigiriwar A, Garg V. Tweeting Pattern of Radiology Societies: A Time-Based Analysis. Current Problems in Diagnostic Radiology. 2021;50(3):301-302. PMID: 33261927. [profiles.ouhsc.edu]

2020 and earlier

Additional publications are listed for 2020 and 2019, including work in Medical Education Online, Neuroradiology, Academic Radiology, World Neurosurgery, AJR, J Neurosurg, Indian Pediatrics, and Journal of the American College of Radiology.