Clinical Study
Use of 4-Fr versus 6-Fr Nasobiliary Catheter for Biliary Drainage: A Prospective, Multicenter, Randomized, Controlled Study
| | | 4Fr group | 6Fr group | value | | () | () |
| | Technical success rate (%) | 118 (99.1) | 121 (95.3) | 0.15 | | Clinical success rate (%) | 109 (91.6) | 114 (89.8) | 0.78 | | ALP (IU/L) | | | | | Before biliary drainage | 1217 (865) | 1168 (908) | 0.49 | | After biliary drainage | 963 (673) | 932 (681) | 0.51 | | ALP decreasing rate (%), mean (SD) | 18.6 (13.6) | 18.3 (14.5) | 0.51 | | γ-GTP (IU/L) | | | | | Before biliary drainage | 673 (511) | 679 (542) | 0.52 | | After biliary drainage | 504 (377) | 496 (412) | 0.51 | | γ-GTP decreasing rate (%), mean (SD) | 23.9 (13.6) | 25.5 (22.9) | 0.1 | | Amount of bile output (mL/hour), mean (SD) | 22.4 (4.4) | 22.6 (3.5) | 0.32 | | Displacement | | | | | Willful removal by the doctor, (%) | 3 (3.7) | 6 (12.0) | 0.56 | | Self-removal by the patient, (%) | 5 (3.7) | 1 (1.2) | 0.20 | | Spontaneous displacement, (%) | 0 (0.0) | 0 (0.0) | |
| | | 4Fr group | 6Fr group | | | () | () |
| | VAS score of discomfort (cm) | | | | | 24 h after ERCP, mean (SD) | 2.4 (2.2) | 3.5 (2.6) | | | 48 h after ERCP, mean (SD) | 2.2 (2.2) | 3.1 (2.4) | |
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SD, standard deviation; VAS, visual analog scale.
Significant difference.
ALP: Alkaline phosphatase.
γ-GTP: Gamma-Glutamyl transpeptidase.
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