Introduction — This topic includes links to society and government-sponsored guidelines from selected countries and regions around the world. We will update these links periodically; newer versions of some guidelines may be available on each society's website. Some societies may require users to log in to access their guidelines.

The recommendations in the following guidelines may vary from those that appear in UpToDate topic reviews. Readers who are looking for UpToDate topic reviews should use the UpToDate search box to find the relevant content.

Links to related guidelines are provided separately. (See "Society guideline links: Colorectal cancer" and "Society guideline links: Cystic fibrosis".)

International

●World Society of Emergency Surgery (WSES): Bologna guidelines for diagnosis and management of adhesive small bowel obstruction (ASBO), 2017 update (published 2018)

●WSES and Peritoneum and Surgery (PnS) Society: Guidelines in the management of obstructing cancer of the left colon – Consensus conference (2010)

Canada

●Best Practice in Surgery (BPS): The adhesive small bowel obstruction water-soluble contrast guideline (2019)

United States

●American Society of Colon and Rectal Surgeons (ASCRS): Clinical practice guidelines for the management of colonic volvulus and acute colonic pseudo-obstruction (2021)

●American Society for Gastrointestinal Endoscopy (ASGE): Guideline on the role of endoscopy in the management of acute colonic pseudo-obstruction and colonic volvulus (2020)

●American College of Radiology (ACR): ACR Appropriateness Criteria suspected small-bowel obstruction (revised 2019)

●ASCRS: Clinical practice guidelines for the treatment of colon cancer (2017)

●Eastern Association for the Surgery of Trauma (EAST): Practice management guideline on surgery or stenting for colonic obstruction (2016)

●EAST: Practice management guideline for the evaluation and management of small-bowel obstruction (2012)

Europe

●European Society of Gastrointestinal Endoscopy (ESGE): Clinical guideline on self-expandable metal stents for obstructing colonic and extracolonic cancer (2014)

●European Cystic Fibrosis Society (ECFS): Guidelines for the diagnosis and management of distal intestinal obstruction syndrome in cystic fibrosis patients (2011)

United Kingdom

●National Institute for Health and Care Excellence (NICE): Guideline on colorectal cancer (2020, updated 2021)

●Association of Coloproctology of Great Britain and Ireland (ACPGBI): Guidelines for the management of cancer of the colon, rectum and anus – Surgical management (2017)

●Scottish Intercollegiate Guidelines Network (SIGN): Diagnosis and management of colorectal cancer – A national clinical guideline (2011, revised 2016)

●British Society of Gastroenterology (BSG), ACPGBI, Association of Upper Gastrointestinal Surgeons (AUGIS), and Royal College of Radiologists (RCR): Practice guidance on the management of acute and chronic gastrointestinal problems arising as a result of treatment for cancer (2011)

●ACPGBI: Position statement for the management of malignant large bowel obstruction (2007)

Australia-New Zealand

●Cancer Council Australia (CCA): Clinical practice guidelines for the prevention, early detection and management of colorectal cancer (2017)