Consecutive patients, who were treated for morbid obesity by laparoscopic sleeve gastrectomy (LSG) at the department of general surgery, Mansoura University, Egypt, during the period from January 2008 to January 2012, were eligible for the study. The exclusion criteria included patients above 60 or below 18 years old, history of upper laparotomy, unfit for anaesthesia or laparoscopy, major psychological instability, and drug abuse.