Table 1. Review of the most important series evaluating IED for treatment of PSGF with outcomes.

Study	n	Median number of endoscopies	Clinical Success	Mean treatment duration (days)	Number of complications	Remarks
Pequignot 2012	25	5	84 %	62	1 (ingrowth)	Comp vs SEMS
Donatelli 2014	21	2.9	95 %	55	0	7 OTSC (2nd line)
Donatelli 2015	67	3.1	98 %	57	0	–
Bouchard 2016	33	3	78 %	47	7 (ulcer 3, pain 3, hematoma 1)	–
Total	146	3.5	91 %	55	5 %

IED, internal endoscopic drainage; PSGF, post-sleeve gastrectomy fistula; SEMS, self-expandable metallic stent; OTSC, over-the-scope clip