[Interdisciplinary use of a Day Surgery unit].

Background: A Day Surgery unit can be defined as a service dedicated to those patients which are not eligible for a simple ambulatory treatment, though requiring a short hospital stay for less than 12 hours. The Italian regulation for Day Surgery has been developed in the last 80's. Three models have been defined: 1) Autonomous unit; 2) Mono o multidisciplinary units: 3) Dedicated beds.