Endoscopic Papillary Large Balloon Dilation Reduces the Need for Mechanical Lithotripsy in Patients with Large Bile Duct Stones: A Systematic Review and Meta-Analysis
Table 1
Characteristics of included studies.
Study (year)
Country
Type of study
Number of patients ES/ES + EPLBD
Age (mean) ES/ES + EPLBD
Gender, M (%) ES/ES + EPLBD
Mean CBD diameter (mm ± SD) ES/ES + EPLBD
Large balloon dilation size (mm)
Mean size of the stone (mm ± SD) ES/ES + EPLBD
Size of ES ES/ES + EPLBD
Periampullary diverticulum (%) ES/ES + EPLBD
Heo (2007)
Korea
RCT
100/100
63/64
50/48
N/A
12–20
15 ± 0.7/16 ± 0.7
Full/Limited
45/49
Itoi (2009)
Japan
Retrospective
48/53
73/75
58/38
18 ± 4.3/17 ± 3.7
15–20
15 ± 3.2/15 ± 3.5
Full/Full
58/47
Kim HG (2009)
Korea
RCT
28/27
70/70
39/37
21 ± 5.7/21 ± 6.3
15–18
21 ± 5.2/21 ± 4.1
Full/Limited
36/33
Hong GY (2009)
Korea
Retrospective
65/70
N/A
N/A
N/A
15 or 20
N/A
N/A
49/57
Kim TH (2011)
Korea
Retrospective
77/72
69/69
49/54
19 ± 4.4/18 ± 3.3
N/A
N/A
Full/Limited
N/A
Teoh (2013)
China
RCT
78/73
73/72
51/44
N/A
15
N/A
Full/Limited
NA
Rosa (2013)
Portugal
Retrospective
43/68
73/71
35/34
16.4 ± 7.2/17.1 ± 3.4
12–18
16.0 ± 6.7/16.8 ± 4.4
N/A
N/A
RCT: randomized controlled trial; ES: endoscopic sphincterotomy; EPLBD: endoscopic papillary large balloon dilation; N/A: not available; CBD: common bile duct; SD: standard deviation.
