Table 1.

Band slip classification

Type	Definition	Mechanism	Etiology	Management
I	Anterior slip	Downward migration of band	Insufficient anterior fixation	Surgical
II	Posterior slip	Posterior stomach wall herniates through band	Perigastric approach	Surgical
III	Pouch enlargement	Pouch dilation	Tight band or overeating	Band deflation, re-education
IV	Immediate postoperative prolapse	Band placed too low on the stomach	Inappropriate low band placement	Surgical
V	Type I or II with gastric necrosis	Band slip with pouch ischemia	Acute pouch dilation	Surgical