Clinical Research
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 7, 2007; 13(29): 3948-3955
Published online Aug 7, 2007. doi: 10.3748/wjg.v13.i29.3948
Table 1 Demographics and clinical outcome of patients according to Bismuth type
Bismuth IIBismuth IIIBismuth IVP value
Number of patients214766
Age (yr)168.9 ± 2.467.5 ± 1.466.6 ± 1.30.66
Sex (M:F)16:531:1646:200.74
Serum bilirubin (mg/dL)19.55 ± 1.6614.06 ± 1.2712.69 ± 0.930.10
ERBD:EPTBD:IPTBD6:8:712:23:1216:35:150.74
Palliation of cholestasis21 (100%)43 (91.5%)7 (88%)0.30
Patency (d)1103 ± 1798 ± 12113 ± 150.85
Patency (d)292 (32-152)65 (35-95)81 (55-107)
Procedure related cholangitis5 (23.8%)12 (25.5%)12 (18.2%)0.58
Procedure related pancreatitis0 (0%)2 (4.3%)0 (0%)0.15
Procedure related bleeding1 (4.8%)5 (10.6%)6 (9.1%)0.79
Procedure related mortality0001.00
30-d mortality0 (0%)1 (2.1 %)1 (1.5%)1.00
Table 2 Demographics and clinical outcome of patients according to drainage procedure
ERBDPTBDPTBDSP value
Number of patients346634
Age (yr)166.8 ± 2.967.2 ± 1.167.9 ± 1.80.91
Sex (M:F)23:1146:2024:100.97
Bismuth type(II:III:IV)6:12:168:23:357:12:150.81
Serum bilirubin (mg/L)19.62 ± 1.1414.89 ± 1.1011.47 ± 1.09< 0.01
Palliation of cholestasis27 (79.4%)62 (93.9%)33 (97.1%)0.03
Patency (d)1120 ± 1659 ± 6180 ± 20< 0.01
Patency (d)297 (67-127)49 (27-71)167 (122-217)
Procedure related cholangitis10 (29.4%)8 (12.1%)11 (32.4%)0.03
Procedure related pancreatitis1 (2.9%)0 (0%)1 (2.9%)0.26
Procedure related bleeding2 (5.9%)5 (7.6%)5 (14.7%)0.50
Procedure related mortality0001.00
30-d mortality0 (0%)1 (2.1%)1 (1.5%)0.26
Table 3 Comparison of demographics and clinical outcome of patients according to number of stents
UnilateralBilateralP value
Number of patients8945
Age (yr)167.3 ± 1.067.2 ± 1.70.95
Sex (M:F)63:2630:150.77
Bismuth type (II:III:IV)12:30:479:17:190.44
Drainage method (ERBD:EPTBD:IPTBD)27:48:147:18:20< 0.01
Type of stent (EPTBD:Plastic:Metal)48:25:1618:23:040.03
Serum bilirubin (mg/dL) (mg/L)112.42 ± 0.9013.22 ± 7.290.59
Palliation of cholestasis80 (89.9%)42 (93.3%)0.73
Patency (d)188 ± 9136 ± 160.01
Patency (d)268 (45-91)112 (35-189)
Procedure related cholangitis17 (19.1%)12 (26.7%)0.43
Procedure related pancreatitis1 (1.1%)1 (2.3%)0.61
Procedure related bleeding6 (6.7%)6 (13.3%)0.34
Procedure related mortality001.00
30-d mortality2 (2.3%)0 (0%)0.79
Table 4 Comparison of clinical characteristics and clinical outcome according to drainage method in Bismuth type IIIpatients
ERBDEPTBDIPTBDP value
Number of patients122312
Age (yr)167.4 ± 3.167.0 ± 2.168.7 ± 2.50.89
Sex (M:F)7:515:89:30.67
Stent number11.1 ± 0.11.1 ± 0.11.7 ± 0.1< 0.01
Serum bilirubin (mg/dL)110.72 ± 1.8116.91 ± 2.1411.13 ± 1.810.07
Palliation of cholestasis9 (75%)22 (95.7%)12 (100%)0.12
Patency (d)1188 ± 4753 ± 8133 ± 21< 0.01
Patency (d)2163 (20-306)47 (7-87)145 (142-148)
Procedure related cholangitis5 (41.7%)2 (8.7%)5 (41.7%)0.03
Procedure related pancreatitis1 (8.3%)0 (0 %)1 (8.3%)0.26
Procedure related bleeding0 (0%)2 (8.7%)3 (25%)0.14
Procedure related mortality0001.00
30-d mortality1 (8.3%)0 (0%)0 (0%)0.51
Table 5 Comparison of demographics and clinical outcome according to drainage method in Bismuth type IV patients
ERBDEPTBDIPTBDP value
Number of patients163515
Age (yr)164.6 ± 3.667.1 ± 1.567.6 ± 2.50.68
Sex (M:F)12:424:1110:50.88
Stent number11.1 ± 0.11.1 ± 0.41.6 ± 0.60.01
Serum bilirubin (mg/dL)110.46 ± 1.7513.99 ± 1.3212.08 ± 1.860.29
Palliation of cholestasis12 (75%)32 (93.4%)14 (93.3%)0.28
Patency (d)1102 ± 1960 ± 9251 ± 36< 0.01
Patency (d)290 (69-111)43 (21-65)280 (171-389)
Procedure related cholangitis3 (18.8%)4 (11.4%)5 (33.3%)0.16
Procedure related pancreatitis0 (0%)0 (0%)0 (0%)1.00
Procedure related bleeding1 (6.3%)3 (8.6%)2 (13.3%)0.55
Procedure related mortality0001.00
30-d mortality0 (0%)0 (0%)1 (1.5%)0.23