Which scope is appropriate for endoscopic retrograde cholangiopancreatography after Billroth II reconstruction: An esophagogastroduodenoscope or a colonoscope?

Table 2 Comparison of endoscopic retrograde cholangiopancreatography procedural characteristics between the esophagogastroduodenoscopy and colonoscopy groups

	EGDS group (n = 17)	CS group (n = 27)	P value
EST, n (%)	7 (41.2)	19 (70.4)	0.07
EPBD or EPLBD, n (%)	6 (35.3)	13 (48.1)	0.54
Procedural time [min, median (range)]	60 (20-100)	90 (40-128)	< 0.01
Papilla of Vater access, n (%)	14 (82.4)	25 (92.6)	0.36
Stone clearance, n (%)	6/11 (54.5)	8/19 (42.1)	1.0
Stone destruction, n (%)	3/11 (27.3)	6/19 (31.6)	1.0
Procedural success, n (%)	14 (82.4)	17 (63.0)	0.20
Adverse events, n (%)	0 (0)	0 (0)
PEP, n (%)	0 (0)	0 (0)

EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon dilation; EPLBD: Endoscopic papillary large balloon dilation; PEP: Post endoscopic retrograde cholangiopancreatography pancreatitis; CS: Colonoscopy.