Evaluation of the Introduction of a Colorectal Bundle in Left Sided Colorectal Resections

The complication rate in colorectal surgery is high and shows a large variance depending on the patient and the treating surgeon. The primary aim of the presented study is to evaluate the introduction of a colorectal bundle to reduce the complication rate in left sided colorectal resections. The colorectal bundle is a catalog of measures consisting of several items These are for example preoperative risk stratification, antibiotic and mechanical bowel preparation and preoperative showering. The primary endpoint will be the complication rate measured as the comprehensive clinical index (CCI) within 30 days. Investigators will include patients that undergo elective or emergency left sided colorectal surgery.