[Pharmacoeconomic results of introducing antimicrobial prophylaxis in surgery at a university hospital].

Objectives: The introduction of antimicrobial prophylaxis in surgery was designed and pre-intervention (controls) and post-intervention (cases) evaluations were carried out at a university tertiary hospital.

Patients And Method: Prospective recording of information on prophylaxis in all patients undergoing non-emergency abdominal surgery was analysed during a 3-week period before and after implementing an antimicrobial prophylaxis program. Adequacy of prophylaxis was defined as prescription of antibiotics (type, dose and duration of treatment) according to the Guidelines.