Peroral endoscopic reduction of dilated gastrojejunal anastomosis after bariatric surgery: Techniques and efficacy

Table 1 Summary of reports describing use of endoscopic suturing systems for transoral outlet reduction in patients with weight regain following Roux-en-Y gastric bypass

Ref.	Gender	Mean age (yr)	Time since bypass (yr)	Avg. pre-procedure BMI	Avg. weight gain (kg) post RYGB nadir	Avg. preintervention pouch length (cm)	Avg. preintervention anastomotic diameter (mm)	Type of equipment	Avg. number of interrupted stitches	Avg. post intervention anastomotic diameter (mm)	Avg. procedure time (min)	Avg. weight loss (kg) at 3-4 mo post	Overall post procedure BMI	Major complications	Technical success (%)
Thompson et al[17] 2006, Boston, United States	F × 8	46 (41-54)	6	40.5	24 (8.6 - 53.6)	5.7 (3-8)	25 (17-25)	EndoCinch suturing system (CR Bard, Murray Hill, NJ)	2 (1-3)	10 (5-15)	98 (50-164)	10 (1.4-19.5)	37.7	None	100 (8/8)
Mullady et al[18] 2009, Boston, United States	F × 19 M × 1	48 (36-62)	5.25 (2-9.75)	36.7 (28.4-48.8)	13.3 (0.9-34.6)	7 (4-14)	25 (8-35)	EOS (USGI Medical, San Clemente, Calif)	Pouch: 1.7 (0-6) GJA: 3.4 (0-7)	16 (0-26)	103 (50-154)	8.8	Not reported	None	85 (17/20)
Fernández- Esparrach et al[20] 2010, Boston, United States	F × 6	45 (33-63)	Not reported	34.5 (27.5-41.5)	Not reported	5 (4-6)	23 (18.5-27.5)	EndoCinch suturing system (CR Bard, Murray Hill, NJ)	3	8 (7.6-8.4)	Not reported	Not reported	33	None	100 (6/6)
Jirapinyo et al[19] 2013, Boston, United States	F × 18 M × 7	48 (34-69)	6 (2-10)	43	24 (1.4-59)	5.3 (2-9)	26.4 (18-40)	Overstitch Endoscopic Suturing System (Apollo Endosurgery)	GJA: 3 (1-7) Pouch: 2 (1-5)	6 (3-10)	Anastomosis: 27 (7-80) Pouch: 15 (4-30)	11.5	Not reported	3/25	100 (25/25)

GJA: Gastrojejunal anastomosis; EOS: EndoSurgical Operating System; F: Female; M: Male; BMI: Body mass index; RYGB: Roux-en-Y gastric bypass.