Diverticular disease of the colon is a common condition, and the prevalence increases with age, affecting up to 60% of persons older than 60 years.1 Approximately 4% of patients with diverticulosis will develop acute diverticulitis, defined as clinically evident macroscopic inflammation of a diverticulum or diverticula.2 Eighty-five percent of episodes of acute diverticulitis are uncomplicated (defined by absence of abscess, bowel obstruction, perforation, or fistula formation), although 15% to 30% of patients who develop acute diverticulitis experience a recurrence.3 Diverticulitis remains the leading indication for elective colon resection.4
Shah SD, Cifu AS. Management of Acute Diverticulitis. JAMA. 2017;318(3):291–292. doi:10.1001/jama.2017.6373
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