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Annapoorani Veerappan

Assistant Professor of Medicine
Medicine, Gastroenterology

Selected Publications


Multi-ancestry genome- and phenome-wide association studies of diverticular disease in electronic health records with natural language processing enriched phenotyping algorithm.

Journal Article PLoS One · 2023 OBJECTIVE: Diverticular disease (DD) is one of the most prevalent conditions encountered by gastroenterologists, affecting ~50% of Americans before the age of 60. Our aim was to identify genetic risk variants and clinical phenotypes associated with DD, lev ... Full text Link to item Cite

Use of Six-Minute Walk Test to Measure Functional Capacity After Liver Transplantation.

Journal Article Phys Ther · September 2016 BACKGROUND: Functional impairment is common in people with chronic liver disease (CLD), and improvement is expected following liver transplantation (LT). The Six-Minute Walk Test (6MWT) is an objective measure of functional performance. OBJECTIVE: The aims ... Full text Link to item Cite

Low incidence of acute rejection in hepatitis B virus positive liver transplant recipients and the impact of hepatitis B immunoglobulin.

Journal Article Hum Immunol · April 2016 Historically, hepatitis B virus (HBV) liver transplantation (LT) recipients have less acute cellular rejection (ACR) than those without HBV. We questioned whether this has persisted in an era of decreased Hepatitis B immunoglobulin use (HBIG) given its in ... Full text Link to item Cite

Non-operative management of symptomatic cholelithiasis in pregnancy is associated with frequent hospitalizations.

Journal Article J Gastrointest Surg · April 2015 Symptomatic cholelithiasis (SC) is common in pregnancy. Guidelines recommend laparoscopic cholecystectomy (LC) for SC in pregnancy. Our aim was to evaluate current practice patterns and outcomes for patients undergoing initial non-operative management for ... Full text Link to item Cite

High success rate of repeat colonoscopy with standard endoscopes in patients referred for prior incomplete colonoscopy.

Journal Article BMC Gastroenterol · March 29, 2014 BACKGROUND: In patients with incomplete colonoscopy, cecal intubation is sometimes unsuccessful due to a redundant or tortuous colon. Repeat colonoscopy may be successful with the use of alternate endoscopes or careful attention to technique but limited ou ... Full text Link to item Cite

Delaying cholecystectomy for complicated gallstone disease in pregnancy is associated with recurrent postpartum symptoms.

Journal Article J Gastrointest Surg · November 2013 INTRODUCTION: Pregnancy is a risk factor for gallstone disease; in some patients, cholecystectomy may be delayed to the postpartum period. Our aim was to examine the effect of antepartum interventions on postpartum outcomes in complicated gallstone disease ... Full text Link to item Cite

Impact of an incomplete colonoscopy referral program on recommendations after incomplete colonoscopy.

Journal Article Dig Dis Sci · July 2013 BACKGROUND: There are limited data on recommendations and adherence to complete colon evaluation (CCE) after incomplete colonoscopy (IC). AIMS: Our objectives were to (1) identify recommendations and adherence to recommendations after IC, (2) determine the ... Full text Link to item Cite

Histologic evaluation of laser lipolysis comparing continuous wave vs pulsed lasers in an in vivo pig model.

Journal Article Arch Facial Plast Surg · 2011 OBJECTIVES: To evaluate acute and delayed laser effects of subdermal lipolysis and collagen deposition using an in vivo pig model and to compare histologic findings in fatty tissue after continuous wave diode (CW) vs pulsed laser treatment. METHODS: Three ... Full text Link to item Cite