Skip to content

Sign in Start free

Create your free account

Loading your page…

We care for the people who care.

No ads. No selling of your data. No third-party trackers.

Apps

Prognia
Ward
Suture
Osler

Library

Guidelines
Medicines
Articles
Calculators
Explore decks
Blog

Prognia

About
Pricing
Contact

Support us

Founders Wall

© 2026 Prognia · Amsterdam, the NetherlandsPrivacy TermsExchangeRate-API

Guidelines
Gastroenterology and hepatology

AGA 2021

American Gastroenterological Association

AGA Clinical Practice Guidelines on the Medical Management of Moderate to Severe Luminal and Perianal Fistulizing Crohn's Disease

2021NationalGastroenterology

United States

Read the PDF Original at the sourceAsk Osler about this guideline

On this page

Read the guideline
Source and rights

Read the guideline

Full text, typeset by Prognia39 KBOpen in a new tab Download

Source and rights

Published by Gastroenterology, 2021. The PDF is shown as published and remains the work of its authors and publisher; the original is at the source linked here. Rights holders can ask us to remove a file at info@prognia.nl.

pmc.ncbi.nlm.nih.gov/articles/PMC8988893/

More in gastroenterology and hepatology

Practical management of glucagon-like peptide-1 receptor agonists in gastroenterology: a position paper by the Italian Society of Gastroenterology (SIGE)European Respiratory Society · 2026Added 23 Jul 2026PDF
AGA Clinical Practice Update on Diagnosis and Treatment of Hemorrhoids: Expert ReviewAmerican Gastroenterological Association Institute · 2026Added 26 Jul 2026PodcastInfographic

Ask a question about this guideline.

Osler answers from this library and names the guideline behind every claim.

Prognia summarises this guideline for reference and education. It is not medical advice. Always check the official guideline and current local protocols before acting on it.

At a glance

Organisation: American Gastroenterological Association
Published: 2021
Applies to: 🇺🇸 United States
Scope: National
Journal: Gastroenterology
DOI: 10.1053/j.gastro.2021.04.022
PubMed: 34051983
PubMed Central: PMC8988893
Added to Prognia: 23 July 2026

Quality measures in the design, conduct, and reporting of endoscopic researchAmerican Society for Gastrointestinal Endoscopy (ASGE) [2-4] · 2026Added 26 Jul 2026PodcastInfographic

Histological approach and differentiation of Crohn's disease and gastrointestinal tuberculosis: Recommendations from the joint IAPM-ISG-CCFI Working GroupIAPM-ISG-CCFI Working Group · 2026Added 26 Jul 2026

First Report of National Consensus Guidelines for the Diagnosis and Treatment of Helicobacter pylori Infection in IranFoodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences · 2026Added 30 Jul 2026PodcastInfographic

Colorectal cancer screening: An update to the American Cancer Society guideline, 2026American Cancer Society · 2026Added 23 Jul 2026

Evidence-Based Guidelines for the Diagnosis and Treatment of Helicobacter pylori Infection in Korea: 2025 Revised EditionThe Korean journal of gastroenterology = Taehan Sohwagi Hakhoe chi · 2026Added 24 Jul 2026PDF

GIPAD 2026Pattern-based histologic approach in colitis without chronic architectural damage: GIPAD recommendationsGIPAD · 2026Added 23 Jul 2026PDF

ESGE 2026Endoscopic diagnosis and management of peptic ulcer bleeding: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2026European Society of Gastrointestinal Endoscopy · 2026Added 23 Jul 2026PDF

The San Diego Consensus for Laryngopharyngeal Symptoms and Laryngopharyngeal Reflux DiseaseThe American journal of gastroenterology · 2026Added 18 Jul 2026PDF

CSG 2026Antithrombotics drugs in Gastrointestinal Endoscopy. Position Statment of the Catalan Society of GastroenterologyCatalan Society of Gastroenterology · 2026Added 18 Jul 2026PDF

Expert consensus regarding the clinical application of liver contrast-enhanced US with Sonazoid (Sonazoid CEUS)International journal of surgery (London, England) · 2026Added 18 Jul 2026PDF