Conservative management of malignant gastric outlet obstruction syndrome-evidence based evaluation of endoscopic ultrasound-guided gastroentero-anastomosis

Table 3 Summary of reports in the literature on endoscopic ultrasound-guided gastroenterostomy for malignant gastric outlet obstruction

Ref.	Nation	Study design	Population (n)	Techniques	Technical success (%)	Clinical success (%)	Adverse events(%)	Follow-up (wk)	GOO recurrence (%)
Khashab et al[28], 2015	United States	Retrospective multicenter	10 (3 with malignant GOO)	Direct (n = 1). Balloon-assisted (n = 9)	90	100	0	21	0
Tyberg et al[29], 2016	United States	Retrospective multicenter	26 (17 with malignant GOO)	Direct (n = 3). Balloon-assisted (n = 13). NB catheter assisted (n = 3). Hybrid rendezvous (n = 5)	92	88	11.5	8	0
Itoi et al[30], 2016	Japan	Prospective single center	20	EPASS	90	90	10	14	0
Brewer Gutierrez et al[31], 2017	United States	Retrospective multicenter	7	Direct (n = 5). Balloon-assisted (n = 2)	100	100	0	15	0
Perez-Miranda et al[32], 2017	United States and Europe	Retrospective multicenter	25 (17 with malignant GOO)	Direct (n = 6). Balloon-assisted (n = 9). NB catheter assisted (n = 3). Ultraslim-endoscope assisted (n = 7)	88	84	12	8	0
Khashab et al[33], 2017	United States and Japan	Retrospective multicenter	30	Direct (n = 2). Balloon-assisted (n = 6). EPASS (n = 22)	87	87	16	22	3
Chen et al[34], 2017	United States and Japan	Retrospective multicenter	30	Direct (n = 2). Balloon-assisted (n = 6). EPASS (n = 22)	86.7	83.3	16.7	14	4.3
Chen et al[35], 2018	United States and Europe	Retrospective multicenter	77 (52 with malignant GOO)	Direct (n = 52). Balloon-assisted (n = 22)	94.2	92.3	6.8	17	7
					90.9	90.9			9
Urrehman et al[36], 2018	Singapore	Prospective single center	5	Balloon-assisted EUS-GE	100	80	0	-	-
Ge et al[37], 2019	United States	Prospective single center	22	Direct EUS-GE	100	95.8	20.8	24	4.5
Kerdsirichairat et al[38], 2019	United States	Retrospective multicenter	57 (34 with malignant GOO)	Direct EUS-GE	93	89.5	3.5	28	15.1
Xu et al[39], 2020	China	Retrospective single center	36	Double balloon-assisted EUS-GE	100	94.4	25	13	2.7
Hu et al[40], 2020	China	Prospective single center	9	RPAT-assisted EUS-GE	100	100	-	-	-
Kastelijn et al[41], 2020	Europe	Retrospective multicenter	45	Direct (n = 36). Balloon-assisted (n = 9)	86.7	73.3	26.7	10	5.1
Wannhoff et al[42], 2020	Germany	Retrospective single center	35 (33 with malignant GOO)	Direct (n = 22). Others (n = 12)	80	74.3	14.3	8	10

GOO: Gastric outlet obstruction; NB: Nasobiliary; EUS-GE: Endoscopic ultrasound-guided gastroenterostomy; EPASS: EUS-guided double balloon-occluded gastrojejunostomy bypass; RPAT: Retrievable puncture anchor traction.