Endoluminal solutions to bariatric surgery complications: A review with a focus on technical aspects and results

Table 1 Results of series on post-Gastric Roux-en-Y bypass anastomotic stricture balloon dilation

Ref.	No. patients	Time interval to stricture diagnosis (d)	No. of sessions	Success rate (%)	Balloon diameter	Complication rate (%)	Perforation rate (%)
Barba et al[36]	24	28-270	1-3	100	8-13 mm	0	0
Go et al[37]	38	53.9 (21-168)	1-6	95	12-16 mm	3 1 pneumothorax and pneumomediastinum	3
Rossi et al[38]	38	-	1-3	100	-	0	0
Carrodeguas et al[39]	94	52.7 (20-154)	1-4	99	-	2.1 Perforations	2.1
Catalano et al[40]	26	63 (28-63)	1-7	96.2	8-15 mm	3.8 Surgical revision for recurrent stenosis	0
Peifer et al[41]	43	49.7 (24-197)	1-3	93	9-20 mm	0.5 Surgical revision for recurrent stenosis	0
Caro et al[42]	111	56 (3-237)	1-4	100	6-18 mm	2.7 2 contained perforations 1 esophageal hematoma	1.8
Ukleja et al[43]	61	60 (30-180 )	1-5	100	6-18 mm	4.9 3 perforations	2.21
Mathew et al[44]	58	66.2 (12-365)	1-7	100	6-20 mm	3.2 Perforations	3.2
Da Costa et al[45]	105	90 (30-270)	1-4	100	6-20 mm	3.8 1 hemorrhage 3 perforations	1.81
Espinel et al[35]	22	126 (26-768)	1-4	100	12-20 mm	4.5 Small tear	0
Yimcharoen et al[46]	72	46 < 90 25 > 90	1-15	84.7 98% < 90 d 61% > 90 d	8-18 mm	1.3 1 perforation, pneumoperitoneum and death	1.3

¹Perforation rate of the dilations referred to the number of sessions. R: Retrospective; RYGB: Roux-en-Y gastric bypass.