IRCT20201022049115N1 IRCT 2021-05-14 Tehran University of Medical Sciences Evaluation of the effect of Carrogated drain in reducing SSI Evaluation of the effect of subcutaneous implantation of Corrugated drain in reducing the incidence of surgery side infection in patient with midline incision 2020-01-21 anticipated 158 Complete https://irct.ir/trial/51812 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients who undergo emergency abdominal surgery with midline incision in Sina Hospital with a diagnosis of peritonitis and have a TSF above 20 mm are randomly allocated to the groups based on random numbers by Microsoft Office Excel 2013 software. N/A Condition 1: Acute abdomen. Condition 2: Acut peritonitis. Condition 3: Biliary peritonitis. Condition 4: Fecal peritonitis. Intervention 1: Intervention group: Patients with subcutaneous fat thickness greater than 20 mm who underwent pre-suture subcutaneous Corrugated drain implantation in emergency open midline laparotomy for 3 to 5 days after surgery . Intervention 2: Control group: Patients with subcutaneous fat thickness greater than 20 mm who have undergone emergency open abdominal surgery and sutured as routine. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information