PROPHYlactic Implantation of BIOlogic Mesh in Peritonitis (PROPHYBIOM)

Inclusion Criteria: * • Patients aged \> 18 years old * Clinical and/or laboratory and/or radiological evidence/signs of peritonitis of any origin (peritoneal reactivity, positive Blumberg sign, fever, free air/fluid in abdominal cavity, leucocytosis, increased CRP (C-reactive protein, lactic dehydrogenase (LDH), tachycardia, tachypnea, clinical or radiological evidence/suspect of bowel ischemia) * Eventual strong suspect of possible bacterial translocation (reduction of the natural intestinal barrier against bacterial translocation, i.e. bowel ischemia, bowel overdistension, intestinal occlusion, etc.) * Surgical indication for midline laparotomy independently from eventual previous laparotomies * Informed consent Exclusion Criteria: * • Patients aged \< 18 years old * Informed consent refusal * No Clinical and/or laboratory and/or radiological evidence/signs of peritonitis of any origin. * Surgical indication for laparotomies other than midline one * Pregnancy