Table 1. Details of patients and procedures.

	Age (yo)	Sex	Biliary diseases	Reason for failed biliary cannulation	Size of punctured bile duct (mm)	Successful dilator insertion	Success of HRV	Treatments	Required time for HRV	Adverse event
1	82	Female	MBO	technical	4	Yes	Yes	Naso-billiary drainage	47	Mild pancreatitis
2	68	Male	MBO	duodenal invasion	3	Yes	Yes	Metallic stent	40	No
3	91	Female	MBO	technical	4	Yes	Yes	Metallic stent	35	No
4	67	Female	MBO	duodenal invasion	5	Yes	Yes	Plastic stent	17	No
5	73	Male	MBO	duodenal invasion	4	Yes	Yes	Plastic stent	44	No
6	89	Male	CBDS	diverticulum	3	Yes	Yes	EPLBD and stone removal	25	No
7	51	Female	MBO	duodenal invasion	5	Yes	Yes	Metallic stent	30	No
8	65	Female	MBO	technical	3	Yes	Yes	Plastic stent	35	No

MBO, malignant biliary obstruction; CBDS, common bile duct stone; EPLBD, endoscopic papillary large balloon dilation; HRV, hybrid-rendezvous technique