Publications by authors named "Shivakumar Vignesh"

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WEO Position Statement on Telementoring in Gastrointestinal Endoscopy.
Shivakumar Vignesh, Shivangi Kothari, Lars Aabakken, Michael Mwachiro, Akutu Munyika

Dig Endosc· December 2025

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Medical Device Malfunction Reporting.
Tilak Shah, Shivakumar Vignesh, Saurabh Chawla

Am J Gastroenterol· April 2025

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Multicenter evaluation of the impact of COVID-19 on the uptake of endoscopic skills by gastroenterology trainees.
Abraham Z Cheloff, Briton Lee, Leah Kim, Nihaal Karnik, Elissa Lin, Shivakumar Vignesh

Surg Endosc· April 2025

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ORAL N-ACETYL CYSTEINE VERSUS RECTAL INDOMETHACIN FOR PREVENTION OF POST ERCP PANCREATITIS: A MULTICENTER MULTINATIONAL RANDOMIZED CONTROLLED TRIAL.
Pezhman Alavinejad, Nguyen-Phuong Nhu Tran, Omid Eslami, Omar El Shaarawy, Ahmad Hormati, Shivakumar Vignesh

Arq Gastroenterol· November 2022

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Lower rates of endoscopy and higher mortality in end-stage renal disease patients with gastrointestinal bleeding: A propensity matched national study.
Rajat Garg, Malav P Parikh, Pravallika Chadalvada, Amandeep Singh, Krishna Sanaka, Shivakumar Vignesh

J Gastroenterol Hepatol· March 2022

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Microbiome and colorectal carcinogenesis: Linked mechanisms and racial differences.
Sofia C Tortora, Vimal M Bodiwala, Andrew Quinn, Laura A Martello, Shivakumar Vignesh

World J Gastrointest Oncol· February 2022

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Impact of Fellow Participation During Colonoscopy on Adenoma Detection Rates.
James L Araujo, Palashkumar Jaiswal, Karthik Ragunathan, Fray M Arroyo-Mercado, Gurasees S Chawla, Shivakumar Vignesh

Dig Dis Sci· January 2022

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Impact of COVID-19 on Endoscopy Training: Perspectives from a Global Survey of Program Directors and Endoscopy Trainers.
Shivakumar Vignesh, Amna Subhan Butt, Mohamed Alboraie, Bruno Costa Martins, Alejandro Piscoya

Clin Endosc· September 2021

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Epidemiology, Diagnosis, Staging and Multimodal Therapy of Esophageal and Gastric Tumors.
Donelle Cummings, Joyce Wong, Russell Palm, Sarah Hoffe, Khaldoun Almhanna, Shivakumar Vignesh

Cancers (Basel)· February 2021

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The global impact of COVID-19 on gastrointestinal endoscopy units: An international survey of endoscopists.
Mohamed Alboraie, Alejandro Piscoya, Quang Trung Tran, Robin B Mendelsohn, Amna Subhan Butt, Shivakumar Vignesh

Arab J Gastroenterol· September 2020

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Outcomes and risk factors for ERCP-related complications in a predominantly black urban population.
Nathaniel Kwak, Daniel Yeoun, Fray Arroyo-Mercado, Ghassan Mubarak, Derrick Cheung, Shivakumar Vignesh

BMJ Open Gastroenterol· September 2020

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Privacy Concerns About Personal Health Information and Fear of Unintended Use of Biospecimens Impact Donations by African American Patients.
Arthi Reddy, Abhimanyu Amarnani, Michael Chen, Sophia Dynes, Bryan Flores, Shivakumar Vignesh

J Cancer Educ· June 2020

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Effect of individualized feedback on learning curves in EGD and colonoscopy: a cluster randomized controlled trial.
Samuel Han, Joshua C Obuch, Rajesh N Keswani, Matt Hall, Swati G Patel, Shivakumar Vignesh

Gastrointest Endosc· April 2020

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A Prospective Multicenter Study Evaluating Endoscopy Competence Among Gastroenterology Trainees in the Era of the Next Accreditation System.
Samuel Han, Joshua C Obuch, Anna M Duloy, Rajesh N Keswani, Matt Hall, Shivakumar Vignesh

Acad Med· February 2020

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Evaluation of the feasibility of intrapancreatic delivery of drug-loaded microparticles via EUS-guided fine needle injection using a swine model.
Jennifer Caceres, Maria Munoz-Sagastibelza, A K M Nawshad Hossian, Jenny Paredes, Kaylene Barrera, Shivakumar Vignesh

Endosc Int Open· August 2019

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Diagnostic performance of endoscopic ultrasound-guided fine-needle aspiration for cystic and non-cystic pancreatic neuroendocrine tumors.
Amaninder Jeet Singh Dhaliwal, Jonathan R Strosberg, Barbara A Centeno, Shivakumar Vignesh

Endosc Int Open· July 2019

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Confounders in Adenoma Detection at Initial Screening Colonoscopy: A Factor in the Assessment of Racial Disparities as a Risk for Colon Cancer.
Yakira David, Lorenzo Ottaviano, Jihye Park, Sadat Iqbal, Michelle Likhtshteyn, Shivakumar Vignesh

J Cancer Ther· April 2019

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Successful creation of pancreatic cancer organoids by means of EUS-guided fine-needle biopsy sampling for personalized cancer treatment.
Herve Tiriac, Juan Carlos Bucobo, Demetrios Tzimas, Suman Grewel, Joseph F Lacomb, Shivakumar Vignesh

Gastrointest Endosc· June 2018

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EGD core curriculum.

VideoGIE· July 2017

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Survival benefits in colorectal adenocarcinoma with the use of metformin among a black diabetic inner city population.
Roger C Zhu, Kirk Rattanakorn, Steven Pham, Divya Mallam, Thomas McIntyre, Shivakumar Vignesh

Colorectal Cancer· June 2017

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Pharmacokinetics and safety of vitamin E δ-tocotrienol after single and multiple doses in healthy subjects with measurement of vitamin E metabolites.
Amit Mahipal, Jason Klapman, Shivakumar Vignesh, Chung S Yang, Anthony Neuger

Cancer Chemother Pharmacol· July 2016

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Cell-surface markers for colon adenoma and adenocarcinoma.
Kamini Sewda, Domenico Coppola, Steven Enkemann, Binglin Yue, Jongphil Kim, Shivakumar Vignesh

Oncotarget· April 2016

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A microRNA-based test improves endoscopic ultrasound-guided cytologic diagnosis of pancreatic cancer.
Randall E Brand, Alex T Adai, Barbara A Centeno, Linda S Lee, George Rateb, Shivakumar Vignesh

Clin Gastroenterol Hepatol· October 2014

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Autoimmune pancreatitis: updated concepts of a challenging diagnosis.
Brian Morse, Barbara Centeno, Shivakumar Vignesh

Am J Med· October 2014

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Minimally invasive mediastinal staging of non-small-cell lung cancer: emphasis on ultrasonography-guided fine-needle aspiration.
Cynthia L Harris, Eric M Toloza, Jason B Klapman, Shivakumar Vignesh, Kathryn Rodriguez

Cancer Control· January 2014

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