From:  Diverticulitis—new evidence to share with patients

 Recommendations by society on the indication of colonoscopy after uncomplicated and complicated diverticulitis episodes [2, 7, 6467].

SocietyColonoscopy indicated after an uncomplicated diverticulitis?Colonoscopy indicated after complicated diverticulitis?Time frame for follow-up colonoscopy
American Gastroenterological Association (AGA) 2020Yes; however, it may be deferred if the first episode and a high-quality exam within the past yearYesMinimum 6–8 weeks or until complete resolution of symptoms, whichever is longer
American College of Physicians (ACP) 2022Not indicated for those with up-to-date recommended CRC screeningYes, in those with diagnostic uncertainty in ruling out CRCMinimum 6–8 weeks after complete resolution of acute symptoms
American Society of Colon and Rectal Surgeons (ASCRS) 2020Not indicated unless atypical imaging, symptoms, or recovery ensuesYes, if a colonoscopy has not been performed recentlyAbout 6 weeks after the acute episode
European Society of Coloproctology (ESCP) 2020May not be necessary after a single episode, CT-verified, and symptom-free recovery. Indicated in all other patients treated without resection, without a colonoscopy in the past 3 yearsAt least 6 weeks after the acute episode
World Society of Emergency Surgery (WSES) 2020Not if diagnosed by CT imagingYes, in patients with diverticular abscesses treated non-operativelyWithin about 4–6 weeks
European Association of Endoscopic Surgery (EAES)/Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) 2018Not indicated if successfully treated, and no high-risk features presentNot explicitly stated

CRC: colorectal cancer; CT: computed tomography.