Gastroenterology Research

Robert Wong, MD, MS, FACG
Clinical Associate Professor (Affiliated), Division of Gastroenterology and Hepatology
Stanford University School of Medicine, CA, USA    

ISSN-print: 1918-2805  |   ISSN-online: 1918-2813  |  Bimonthly  |  Open Access  | Aims and Scope

Indexed and covered: PubMed and PubMed Central;
Chemical Abstracts (CA); JournalTOCs; Google Scholar; Worldcat; EBSCO; Clarivate Analytics Emerging Sources Citation Index (ESCI-Web of Science).
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Collection of COVID-19 articles.

Special Issue, Call for Submissions

Healthcare disparities in gastroenterology and hepatology

We are pleased to announce a special issue of Gastroenterology Research to be published August 2021 focusing on "Healthcare disparities in gastroenterology and hepatology". Disparities in healthcare access and healthcare outcomes are pervasive and predominantly affect underserved and vulnerable populations. Highlighting research to better identify and understand the factors contributing to healthcare disparities is of paramount importance to help guide future interventions to mitigate these healthcare disparities. We invite your submissions focused on all aspects of healthcare disparities in gastroenterology and hepatology.

Submission deadline: June 1, 2021
Publication: August 2021
Editor-in-Chief: Robert Wong, MD


  • Clostridium difficile Infection Hospitalizations in the United States: Insights From the 2017 National Inpatient Sample

    There is a paucity of contemporary national estimates for Clostridium difficile infection (CDI) hospitalizations by age group, sex, and region in the US population. Also, there is lack of contemporary national statistics on CDI hospitalizations with comorbidities.

  • Characterization of Chronic Gastritis in Lynch Syndrome Patients With Gastric Adenocarcinoma

    Gastric cancer is one of the Lynch syndrome (LS)-associated malignancies. Previous studies have suggested that LS patients with gastric cancer also had chronic atrophic gastritis in the background mucosa, but further histologic characterization was not attempted.

  • Cirrhosis Is Associated With Worse Outcomes in Ischemic Colitis: A Nationwide Retrospective Study

    Ischemic colitis (IC) occurs when the blood supply of the large intestine becomes compromised. Cirrhosis is a disease entity in which there is a delicate balance between pro-coagulant and anti-coagulant states. Our aim was to examine the impact cirrhosis has on outcomes in patients with ischemic colitis.

  • Capsule Endoscopy Versus Colonoscopy in Patients With Previous Colorectal Surgery: A Prospective Comparative Study

    Colonic capsule endoscopy (CCE) derived from the video capsule endoscopy, initially proposed to explore the small bowel, has demonstrated high sensitivity and specificity for colonic polyp detection. The primary outcome of the study was to assess the safety, feasibility, and reliability of CCE after colorectal surgery.

  • Does Extended Use of Clopidogrel-Based Dual Anti-Platelet Therapy Increase the Risk of Gastrointestinal Bleeding?

    Clopidogrel-based dual anti-platelet therapy (CDAPT) has shown significant benefits in the management of coronary artery disease (CAD), up to 1-year duration. Gastrointestinal bleeding (GIB) is one of the limiting factors for prolonged use of CDAPT.




Idiopathic Non-Cirrhotic Portal Hypertension and Porto-Sinusoidal Vascular Disease: Review of Current Data
Idiopathic non-cirrhotic portal hypertension (INCPH) is a clinicopathologic disease entity characterized by the presence of clinical signs and symptoms of portal hypertension (PH) in the absence of liver cirrhosis or known risk factors accountable for PH.
Full Text

Gastric Antral Vascular Ectasia: Trends of Hospitalizations, Biodemographic Characteristics, and Outcomes With Watermelon Stomach
Gastric antral vascular ectasia (GAVE) syndrome is a rare but significant cause of acute or chronic gastrointestinal (GI) bleeding, particularly in the elderly. The primary objective of this study was to determine the biodemographic characteristics, adverse outcomes, and the impact of GAVE hospitalizations on the US healthcare system. Full Text

Image of the Issue

Sarcoidosis Masquerading as Long-Standing Cholestasis
Hepatic sarcoidosis is an exceedingly rare extrapulmonary manifestation of sarcoidosis, with the majority remaining stable for years without clinical clues, only displaying biochemical abnormalities. Amongst the literature, the timeline to cirrhosis has not been parsed out; hepatomegaly develops in 50% and cirrhosis in 33% of all hepatic sarcoidosis patients, making this an essential issue in this patient population. Full Text

Current Issue


Vol. 14, No. 2, Apr 2021

Table of Contents


Idiopathic Non-Cirrhotic Portal Hypertension and Porto-Sinusoidal Vascular Disease: Review of Current Data Abstract HTML PDF
Michel Kmeid, Xiuli Liu, Samuel Ballentine, Hwajeong Lee 49-65
Managing Genetic Hemochromatosis: An Overview of Dietary Measures, Which May Reduce Intestinal Iron Absorption in Persons With Iron Overload Abstract HTML PDF
Nils Thorm Milman 66-80

Original Article

Single-Center Review of Appropriateness and Utilization of Upper Endoscopy in Dyspepsia in the United States Abstract HTML PDF
Kamesh Gupta, Kevin Groudan, Kathryn Jobbins, Bandhul Hans, Rohit Singhania 81-86
Clostridium difficile Infection Hospitalizations in the United States: Insights From the 2017 National Inpatient Sample Abstract HTML PDF Suppl1 Suppl2
Dhanshree Solanki, Asim Kichloo, Zain El-Amir, Dushyant Singh Dahiya, Jagmeet Singh, Farah Wani, Shantanu Solanki 87-95
Hepatitis E Virus Infection and Butchers: A Case-Control Seroprevalence Study Abstract HTML PDF
Cosme Alvarado-Esquivel, Veronica Dayali Gutierrez-Martinez, Eda Guadalupe Ramirez-Valles, Antonio Sifuentes-Alvarez 96-103
Gastric Antral Vascular Ectasia: Trends of Hospitalizations, Biodemographic Characteristics, and Outcomes With Watermelon Stomach Abstract HTML PDF
Asim Kichloo, Dhanshree Solanki, Jagmeet Singh, Dushyant Singh Dahiya, Darshan Lal, Khwaja Fahad Haq, Michael Aljadah, Darshan Gandhi, Shantanu Solanki, Hafiz Muzaffar Akbar Khan 104-111

Case Report

Sarcoidosis Masquerading as Long-Standing Cholestasis Abstract HTML PDF
Smit S. Deliwala, Murtaza Hussain, Anoosha Ponnapalli, Rupesh Khanal, Hemant Goyal, Adil Abdalla, Mamoon M. Elbedawi 112-115
Primary Basidiobolomycosis of the Cecum in Immunocompetent Patients: Two Case Reports Abstract HTML PDF
Mahmoud R.A. Hussein, Abdullah S. Alqahtani, Yahia Alhagawi, Naif S.Al Saglan, Abdullah M. Albishi, Feras O. Ahmed, Mohammad E. Rabie, Mohamed F. Bazeed, Eman E. Abu-Dief 116-124
A Conservative Management of Spontaneously Ruptured Liver Hydatid Cyst Abstract HTML PDF
Miriam Obeid, Subhi Mansour, Mira Damouny, Amir Farah, Kenan Halloun, Rozan Marjiyeh, Jawad Ghalia, Safi Khuri 125-128
Severe Protein-Calorie Malnutrition-Associated Hepatic Steatosis in a Woman Who Had Roux-en-Y Gastric Bypass for Morbid Obesity Thirteen Years Ago Abstract HTML PDF
Guriel N. Kim, Sam Ho, David Saulino, Xiuli Liu 129-137

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Gastroenterology Research, bimonthly, ISSN 1918-2805 (print), 1918-2813 (online), published by Elmer Press Inc.                     
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