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

Table 7 Success rates of stone removal in Billroth II reconstruction in different ampullary interventions

Ref.	Number of patients	Endoscope used	Ampullary intervention	First session success rate, %	Overall success rate, %	Complication
Park et al[38]	10	Cap-fitted forward-view endoscope	EST	30	100	0
Kim et al[41]	9	Side-view endoscope	EST + EPLBD	55.5	89	0
Choi et al[84]	26	End-view and side-view endoscope	EST + EPLBD	76.9	100	0
Itoi et al[85]	11	End-view endoscope	EST + EPLBD	100	100	0
Lee et al[86]	13	Cap-fitted forward-view endoscope	EPBD	66.6	100	23
Cheng et al[71]	77	DBE	EPLBD	75	100	4
Jang et al[44]	40	Side-view endoscope	EPLBD	92.5	100	15

EST: Endoscopic sphincterotomy; EPLBD: Endoscopic papillary large balloon dilatation.