TABLE 2. Esophageal functional studies after laparoscopic sleeve gastrectomy.

	Hypotensive LES			Abnormal acid reflux (24 h pHmetry)
	Preop	Postop	Preop	Postop
LSG with Nissen
(n=15)	15 (100%)	2 (13.3%)	15 (100%)	1(6.66%)
LSG without Nissen
(n=23)	0	17 (73.9%)	0	15(65.2%)