Reoperation for anastomotic failure.

Anastomotic leak is a dreaded complication of colorectal surgery, with many potential causes. This complication carries with it a reported mortality ranging from 6 to 39%. Early diagnosis is key for the prevention of mortality. Here, we discuss the causes of an anastomotic leak and its signs and symptoms. Moreover, we explore the various modalities of diagnosis and treatment options. Most important, we discuss when a patient needs to be taken to the operating room and what procedure should be performed given various intraoperative findings.