Endoscopic papillary large balloon dilation for the removal of bile duct stones

Table 1 Baseline clinical characteristics of the patients undergoing endoscopic papillary large balloon dilation with endoscopic sphincterotomy n (%)

Ref.	Study design	No. of procedures, No. of patients	Mean age, year	No. of periampullary diverticulum	Mean size of largest stone, mm	Range of stone size, mm	Prior EST	Altered anatomy
Ersoz et al[21]	R	58	NA	4 (6.9)	NA	12-28	14	0
Hwang et al[22]	R	30	71.3	6 (20.0)	21.6	15-35	0	NA
Maydeo et al[23]	P	60	58.0	0 (0.0)	16.0	12-20	0	0
Minami et al[24]	R	88	74.01	NA	14.0	> 12	0	NA
Heo et al[25]	RCT	100	64.4	49 (49.0)	16.0	NA	0	0
Lee et al[26]	R	55	70.8	16 (29.1)	20.8	15.4-35.5	0	B-II:2
Kim et al[27]	R	35	66.9	9 (25.7)	26.1	12-50	14	NA
Lee et al[28]	R	41	72.2	21 (51.2)	18.2	10-45	0	B-II:2, R-Y:2
Misra et al[29]	R	50	40.1	NA	NA	< 15-25	0	NA
Attasaranya et al[30]	R	107, 103	70.1	36 (35.0)	13.01	10-30	50	B-II:6
Espinel et al[31]	P	93	76.5	30 (32.2)	13.4	5-30	42	B-II:4
Itoi et al[32]	R	53	75.3	25 (47.2)	14.8	10-28	0	0
Kim et al[33]	RCT	27	70.3	9 (33.3)	20.8	15-38.3	0	0
Itoi et al[34]	R	18	79.1	9 (50.0)	16.7	13-21	0	B-I:1
Kurita et al[35]	R	24	82.01	18 (75.0)	16.51	12-33	24	NA
Ghazanfar et al[36]	P	84	48.4	NA	14.7	10-32	0	NA
Kim et al[37]	R	70	68.7	24 (34.3)	12.5	5-30	70	NA
Youn et al[38]	R	101	69.1	12 (11.9)	21.8	7-52	0	B-I:2, B-II:3
Kim et al[39]	R	72	69.3	41 (56.9)	NA	> 10	0	0
Stefanidis et al[40]	RCT	45	69.4	NA	NA	12-20	0	0
Rebelo et al[41]	R	30	68.0	7 (23.3)	17.01	12-30	4	NA
Sakai et al[42]	R	59	76.7	27 (45.8)	15.0	10-28	21	B-I:3, B-II:2
Park et al[43]	R	633	72.7	246 (39.1)	15.4	10-38.4	NA2	B-II:20
Poincloux et al[44]	R	64, 62	77.0	15 (24.2)	NA	NA	0	NA
Hwang et al[45]	R	69	68.2	33 (47.8)	16.5	NA	0	0
Paspatis et al[46]	RCT	124	74.9	21 (16.9)	15.7	NA	NA2	0
Rosa et al[47]	R	68	70.8	NA	16.8	NA	0	0
Yang et al[48]	R	171, 169	69.3	73 (43.2)	15.01	10-45	32	B-II:1
Yoon et al[49]	P	52	68.1	19 (36.5)	20.1	12-40	52	0
Harada et al[50]	R	30	78.0	23 (76.7)	18.0	10-39	30	NA
Total		2511, 2503		773 (36.7)		5-45	353 (20.2)	48 (2.4)

¹Median value;

²Studies that included patients with a history of prior endoscopic sphincterotomy, but their exact numbers were not described. EST: Endoscopic sphincterotomy; R: Retrospective; P: Prospective; RCT: Randomized controlled trial; NA: Not available; B-I: Billroth-I anastomosis; B-II: Billroth-II anastomosis; R-Y: Roux-en-Y anastomosis.