Study the Efficacy of Topical Antibiotherapy in the Prophylaxis of Incisional Surgical Infection in Colorectal Surgery

Inclusion Criteria: * Patients over 18 years of age. * Patients who require urgent surgical intervention and who come from the emergency service * Patients affected by complicated intra-abdominal infection with peritonitis of more than one abdominal compartment or intra-abdominal abscess requiring open surgical intervention. Exclusion Criteria: * Women patients with positive pregnancy test. * Patients with primary peritonitis and liver cirrhosis. * Patients who have received antibiotic treatment during the 72 hours prior to the surgical intervention (except that administered to UCIES as a treatment dose of the same process) * Patients allergic to the antibiotic used in the study. * Patients who have undergone a surgical procedure of recently opened abdomen (up to 30 days before surgery), a prosthesis of synthetic material (mesh) or to which the surgical wound can not be closed according to the surgeon's criteria. * Patients with an unfavorable life prognosis (ASA 5).