Guidelines

AGA clinical guidelines help you practice evidence-based medicine.

 

AGA utilizes the GRADE system (Grades of Recommendation Assessment, Development and Evaluation). Learn about GRADE. Our guidelines are regularly reviewed for accuracy. Learn about the update process. AGA endorses guidelines that meet the IOM's rigorous criteria for evidence-based clinical recommendations. Endorsement criteria and methods.

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Colorectal Cancer

In the U.S., colorectal cancer (CRC) is the third most common cancer diagnosed among men and women and the second leading cause of death from cancer. CRC largely can be prevented by the detection and removal of adenomatous polyps. AGA offers a broad portfolio of guidelines, decision support tools and standards to support high-quality patient care.

Screening for Early Detection

Colorectal Cancer Screening and Surveillance for Early Detection

Guideline | Clinical Decision Support Tool | PDF

Colonoscopy After Cancer Resection

Colonoscopy Surveillance After Cancer Resection

Guideline | Clinical Decision Support Tool

Colonoscopy After Polypectomy

Colonoscopy Surveillance After Screening and Polypectomy

Guideline | Clinical Decision Support Tool

Lynch Syndrome

Guidelines on Genetic Evaluation and Management of Lynch Syndrome: A Consensus Statement by the US Multi-Society Task Force on Colorectal Cancer

Guideline

Bowel Cleansing

Optimizing Adequacy of Bowel Cleansing for Colonoscopy: Recommendations From the US Multi-Society Task Force on Colorectal Cancer

Guideline

Managing CRC Risk in IBD Patients

Colorectal Neoplasia in Inflammatory Bowel Disease, Diagnosis and Management

Guideline | Technical Review

 

AGA Guideline on the Diagnosis and Management of Lynch Syndrome

Guideline | Clinical Decision Support Tool | Technical Review | PDF | Patient Guide

 

IBD

The two inflammatory bowel diseases (IBD) are Crohn’s disease and ulcerative colitis (UC). Most care for these chronic diseases occurs in the outpatient setting, with hospitalizations reserved for complications that might require surgery. AGA offers a guideline on drug therapy and decision support tools for patient management.

Crohn’s Disease

Guidelines for the Identification, Assessment and Initial Medical Treatment in Crohn’s Disease

Clinical Care Pathway

Managing CRC Risk in IBD Patients

Colorectal Neoplasia in Inflammatory Bowel Disease, Diagnosis and Management

Guideline | Technical Review

Drug Therapy for Crohn’s

Inflammatory Crohn’s Disease: Thiopurines, Methotrexate and Anti-TNF-α Biologic Drugs for Induction and Maintenance of Remission

Guideline | Technical Review | Clinical Decision Support Tool | Patient Guide

Ulcerative Colitis

Identification, Assessment and Intiial Medical Treatment of Ulcerative Colitis

Clinical Care Pathway

Medical Management of Microscopic Colitis

Guideline | Guideline - PDF | Technical Review | Patient Guide | CDST (PDF)

Management of Crohn's Disease After Surgery

Expected Fall 2016

 

Therapeutic Drug Monitoring in IBD

Expected Summer 2017

Liver Diseases

AGA’s liver disease resources include guidelines and decision tools for hepatitis C screening and evaluation, how to handle hepatitis B reactivation during immunosuppressive therapy and managing NAFLD patients.

Hepatitis C

Hepatitis C Screening and Evaluation

Clinical Decision Support Tool

Hepatitis B Reactivation

Hepatitis B Reactivation During Immunosuppressive Drug Therapy

Guideline | Technical Review | Clinical Decision Support Tool | Patient Guide

Nonalcoholic Fatty Liver Disease

Nonalcoholic Fatty Liver Disease

Guideline

Acute Liver Failure

Expected January 2017

 

Elastography to Evaluate Liver Fibrosis

Expected February 2017

 

Esophageal Diseases

Two of the most common esophageal diseases seen by gastroenterologists are Barrett’s esophagus and GERD. AGA resources focus on major clinical issues encountered by physicians who treat patients with Barrett's esophagus and the general issues related to managing GERD.

Barrett's Esophagus

Barrett's Esophagus

Guideline | Technical Review

Gastroesophageal Reflux Disease (GERD)

Gastroesophageal Reflux Disease (GERD)

Guideline | Technical Review

Upper-GI Biopsy to Evaluate Dyspepsia

Guideline | Clinical Decision Support Tool | Technical Review | PDF

 

Pancreatic Disorders

Acute pancreatitis is a disease of increasing annual incidence and one that produces significant morbidity and mortality and consumes enormous health care resources. AGA provides guidelines to guide clinicians in the management of patients with both mild and severe acute pancreatitis.

Acute Pancreatitis

Acute Pancreatitis

Guideline | Technical Review

Initial Management of Acute Pancreatitis

Expected Summer 2017

Irritable Bowel Syndrome

IBS is the most common diagnosis in clinical gastroenterology. It is estimated that approximately 10 to 15 percent of the general adult population is affected. AGA offers recommendations about pharmacological therapy for IBS-C (constipation) and IBS-D (diarrhea).

Drug Management

Irritable Bowel Syndrome: Guideline on Pharmacological Management

Guideline | Technical Review | Patient Guide

Functional GI Disorders

Functional GI disorders affect patient quality of life. AGA offers a growing portfolio of resources to help care for patients with these disorders.

Evaluation of Chronic Diarrhea

Expected Fall 2017

 

 

Upcoming Guidelines

Clinical practice guidelines are developed under the aegis of the AGA Institute Clinical Guideline Committee and provide preferred approaches to specific medical problems or issues.

Guideline Topic Expected Publication Date
Management of Crohn's Disease After Surgical Resection November 2016
Management of Acute Liver Failure January 2017
Role of Elastography in the Evaluation of Liver Fibrosis February 2017
Initial Management of Acute Pancreatitis Summer 2017
Therapeutic Monitoring in Inflammatory Bowel Disease Summer 2017
Evaluation of Chronic Diarrhea Fall 2017
Management of Opioid-Induced Constipation Spring 2018
GI Cancer Survillance in Gastric Intestinal Metaplasia Spring 2018
Management of Mild to Moderate Ulcerative Colitis Fall 2018
Management of Eosinophilic Esophagitis Fall 2018

 

BROUGHT TO YOU AS PART OF THE
AGA Roadmap to the Future of GI