Current status of endoscopic retrograde cholangiopancreatography in patients with surgically altered anatomy

Table 3 Success rates of long and short single-balloon enteroscope-assisted endoscopic retrograde cholangiopancreatography in surgically altered anatomy

Ref.	Endoscope type	Operation type	Success rate of afferent loopIntubation, %	Success rate of cannulation, %	Complication rate, %
Inamdar et al[74]	Long and short SBE	RYGB, hepaticojejunostomy, and Whipple	80.9	61.7	6.5
Trindade et al[75]	Long SBE	RYGB, hepaticojejunostomy, and Whipple	87.5	78.57	NA
Obana et al[76]	Long SBE	Total and distal gastrectomy with Roux-en-Y reconstruction	72.7	85.7	2.4
	Short SBE		87.5	71.4
Shah et al[10]	Long SBE	RYGB	73	59	12
		Non-RYGB	65	61
Kurzynske et al[77]	Long SBE	Overall	100	88	0
Abu Dayyeh et al[19]	Long SBE	Overall	80.9	69.4	NA
Lee et al[78]	Long SBE	Long-limb Roux-en-Y reconstruction	69	60	NA
Itokawa et al[17]	Long SBE and short SBE	Hepaticojejunostomy	92.9	100	1.6
		Whipple	82.4	96
Wang et al[40]	Long SBE	Billroth II, hepaticojejunostomy, Whipple, and Roux-en-Y reconstruction	92.3	90	12.5
Kawamura et al[79]	Long SBE	Roux-en-Y gastrectomy	91.7	58.3	2.2
Iwai et al[16]	Short SBE	Billroth II	90	89	0
		Roux-en-Y reconstruction	92	88	11.5
Yamauchi et al[80]	Short SBE	Billroth II	88	86	14.3
		Roux-en-Y gastrectomy	91	90	21.1
		Hepaticojejunostomy	100	100	0
Yane et al[81]	Short SBE	Overall	92.6	81.8	12
		Billroth II	100	95	NA
		Whipple	97.5	75.9	NA
		Roux-en-Y gastrectomy	95.6	88.9	NA
		Hepaticojejunostomy	81.4	79.7	NA

SBE: Single balloon enteroscope; RYGB: Roux-en-Y gastric bypass.