Risk Factors of Incisional Hernias After Emergency Midline Laparotomy

Inclusion Criteria: * Age of 18 years or above and * Unscheduled midline laparotomy in an emergency or subacute setting, involving perforated bowel, bowel obstruction, bowel ischemia (due to mesenteric vascular disease or incarceration), inflammatory diseases (e.g. diverticulitis, appendicitis, ulcerative colitis, cholecystitis and Crohn's disease), abscesses, non-traumatic intraabdominal bleeding and any emergency re-operation to elective surgery Exclusion Criteria: * Age below 18 years * Patients with mental or physical disorders making follow-up impossible * Patients were no fascial closure is performed