Risk factors for severe diverticulitis in computed tomography-confirmed acute diverticulitis in Korea.

Background/aims: Acute complicated diverticulitis can be subdivided into moderate diverticulitis and severe diverticulitis. Although there have been numerous studies on the risk factors for complicated diverticulitis, little research has focused on severe diverticulitis. This study was designed to identify the risk factors for severe diverticulitis in an acute diverticulitis attack using the modified Hinchey classification.

Pneumoretroperitoneum, pneumomediastinum, peumopericardium, and subcutaneous emphysema after colonoscopic examination.

Colonoscopy is regarded as a relatively safe procedure and is widely performed. However, complications such as bleeding, perforation, and coagulation syndromes can occur during colonoscopy. Although bowel perforation is as rare as 0.