This study defines a standardized protocol inspired to the ERAS philosophy for the peri-operative treatment of patients undergoing emergency abdominal surgery. Primary endpoint is the feasibility of the application of the standardized protocol; secondary endpoint is the safety

Inclusion Criteria:

• patients undergoing emergency abdominal surgery for abdominal sepsis or occlusion and treated with bowel resection with or without anastomosis, intestinal bypass or adhesiolysis.

Exclusion Criteria:

• age <18
• emergency surgery for post-operative complications of post diagnostic procedures

All patients undergoing emergency surgery for abdominal sepsis or occlusion and treated with bowel resection with or without anastomosis, intestinal bypass or adhesiolysis.