Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 7, 2012; 18(41): 5957-5964
Published online Nov 7, 2012. doi: 10.3748/wjg.v18.i41.5957
Table 1 Patient characteristics and procedural outcomes
Guidewire group(n = 19)KMP catheter group(n = 19)P-value
Mean age, yr (SD)51.3 (9.3)52.5 (10.2)0.619
Male sex (%)13 (68)15 (79)0.714
Pretransplantation liver disease (%)0.524
End-stage liver cirrhosis5 (26)8 (42)
Hepatitis B26
Hepatitis B and alcohol21
Cryptogenic11
Hepatocellular carcinoma9 (47)6 (32)
Hepatitis B95
Hepatitis C01
Fulminant hepatitis5 (26)5 (26)
Hepatitis A12
Hepatitis B33
Unknown origin10
Mean duration between LDLT and rendezvous procedure, d (SD)338 (197)438 (516)0.704
Mean duration between PTBD and rendezvous procedure, d (SD)91 (52)217 (351)0.511
Mean anastomotic angle1, ° (SD)118 (15)125 (17)0.148
Mean no. of PTBD catheters, (SD)1.4 (0.5)1.2 (0.4)0.517
Mean diameter of PTBD catheter, F (SD)10.7 (2.8)9.1 (2.2)0.365
Pre-laboratory findings2, mean (SD)
WBC (× 109/L)4.61 (1.80)4.87 (1.98)0.569
Total bilirubin (mg/dL)1.37 (0.90)1.60 (1.51)0.988
Alanine aminotransaminase (IU/L)60.6 (41.6)90.2 (128)0.748
Alkaline phosphatase (IU/L)332 (173)289 (175)0.649
γ-glutamyl transferase (IU/L)248 (179)278 (203)0.800
Rendezvous success rate (%)19 (100)19 (100)1.000
No. of stents inserted, mean (SD)1.5 (0.5)1.5 (0.5)0.749
Inside stent diameter (F), mean (SD)10.4 (2.7)9.8 (0.7)0.308
CBD or IHD stones (%)0 (0)2 (11)0.152
Stricture dilation (%)4 (21)0 (0)0.037
Mean procedure time3, s (range)2037 (251-6758)1012 (301-2006)0.022
Post-laboratory findings4, mean (SD)
White blood cell (× 109/L)5.19 (1.88)6.18 (2.34)0.215
Total bilirubin (mg/dL)2.15 (1.61)2.11 (1.51)0.942
Alanine aminotransaminase (IU/L)85.1 (67.3)115 (136)0.953
Alkaline phosphatase (IU/L)341 (167)312 (198)0.419
γ-glutamyl transferase (IU/L)279 (189)368 (319)0.531
Amylase (U/L)284 (585)207 (241)0.737
Complications0.740
Acute cholangitis10
Hyperamylasemia56
Acute pancreatitis12
Migration of stents10
Table 2 Univariate analysis of factors related to procedure time
FactorsnProcedure time, s, mean (range)P-value
RendezvousGuidewire192037 (251-6758)0.022
TechniqueKMP catheter191012 (301-2006)
IHD or CBDPresent21517 (1202-1831)0.513
StoneAbsent361525 (251-6758)
No. of inside stentsOne191198 (251-5144)0.04
Two191851 (666-6758)
OperatorLee IS311292 (251-6758)0.024
Chang JH72555 (735-5144)
Balloon dilationYes42568 (2189-2895)0.008
of the strictureNo341402 (251-6758)
Age< 60291571 (251-6758)0.904
> 6091373 (301-2895)
ProcedureFirst half2151009 (368-1934)0.635
Familiarity1Second half161557 (251-6758)
Table 3 Multivariate analysis of factors related to procedure time
FactorsP-valueOdds ratio (95%CI)
Rendezvous technique (guidewire vs rendezvous)0.0102.663 (1.258-5.637)
No. of inside stents (1 vs 2)0.067
Operator (Lee IS vs Chang JH)0.195
Balloon dilation (yes vs no)0.289