This study compares primary resection with anastomosis and Hartmann's procedure in an adult population with acute perforated colonic diverticulitis (Hinchey Stage III and IV) METHODS: The primary end point was postoperative mortality. Secondary end points included surgical and medical morbidity, operative time, and length of postoperative hospitalization.

inclusion criteria: hinchey III and IV diverticulitis

Inclusion Criteria:

• Patient with peritonitis du to sigmoid diverticulum complication
• Surgeon - anesthetist confirming the 2 surgeries can be performed

Exclusion Criteria:

• Physical state which can not permit patient to participate
• contraindication to surgery
• non-diverticulum peritonitis