Endoscopic approaches to biliary intervention in patients with surgically altered gastroduodenal anatomy

Table 2 Reported rates of adverse events in patients with surgically altered gastroduodenal anatomy who underwent deep-enteroscopy-assisted endoscopic retrograde cholangiopancreatography

Ref.	Method	Cases (n)	Cases with RY anatomy	Pancreatitis	All adverse events
Wang et al[22]	SBE	16	12	12.5%	12.5%
Saleem et al[13]	SBE	56	56	0%	0%
Itoi et al[17]	SBE	13	11	0%	0%
Yamauchi et al[16]	Short SBE	31	23	7.7%	N/A
Emmett et al[42]	DBE	20	20	0%	0%
Raithel et al[9]	DBE	86	34	2.3%	N/A
Shimatani et al[44]	Short DBE	103	81	0%	4.9%
Itoi et al[15]	Long and short DBE	13	13	0%	7.7%
Siddiqui et al[46]	Short DBE	79	51	4%	5%
Lennon et al[4]	Spiral	29	29	0%	0%
Wagh et al[47]	Spiral	57	6 of 7 pts	0%	0%

DBE: Double-balloon enteroscopy; SBE: Single-balloon enteroscopy; RY: Roux-en-Y.