Initial evaluation of laparoscopic Roux-en-Y gastric bypass and adjustable gastric banding in Korea: a single institution study.

Background: Obesity becomes a global epidemic disease, and bariatric surgery is increasing in Korea as well as in western countries. The first laparoscopic Roux-en-Y gastric bypass (LRYGBP) was performed in 2003, and the Lap Band was approved for use in Korea in 2004. There are no data regarding gastric bypass and adjustable gastric banding regarding weight loss as well as changing of pre-existing comorbidities up to date.