A prospective multicenter study of 163 sleeve gastrectomies: results at 1 and 2 years.

Background: Good results obtained after laparoscopic sleeve gastrectomy (LSG), in terms of weight loss and morbidity, have been reported in few recent studies. Our team has designed a multicenter prospective study for the evaluation of the effectiveness and feasibility of this operation as a restrictive procedure.

Methods: From January 2003 to September 2006, 163 patients (68% women) with an average age of 41.