经皮肝穿刺胆汁外引流和植入胆道支架内引流可有效解除黄疸，改善症状，延长病人生存期。
PTCD with biliary stenting or external drainage is an effective procedure for relieving jaundice and subsequently palliating symptoms and prolonging survival time of the patients.
方法（1）改良注入穿刺（EV）针与经皮肝穿刺胆道置管引流（PTCD）套管针在纯水和抗凝猪血中引流速度的比较。
Methods (1)To compare the drainage speed of the improved EV needle and percutaneous transhepatic catheterizde drainage(PTCD) case needle in water and anti coagulation pigs blood.
结果全部病人经皮经肝穿刺胆道引流手术成功。
Results PTBD was successfully performed in all the patients.
目的加强对经皮肝穿刺胆道造影（ PTC）和引流（PTCD）操作过程中要点和术后并发症的认识。
Objective To get a better understanding of the operating process of PTC and PTCD and potential accompanied diseases after operation.
目的加强对经皮肝穿刺胆道造影（ PTC）和引流（PTCD）操作过程中要点和术后并发症的认识。
Objective To get a better understanding of the operating process of PTC and PTCD and potential accompanied diseases after operation.
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