翻译：肝内胆管右后支置入PTCD引流后胆汁引流不通畅胆红素下降不明显；我们来看看常规超声显示引流管在腹壁与肝脏之间走形有折叠。那是因为折叠导致的胆汁引流不畅吗？ICCEUS显示引流管在腹壁与肝脏之间走形扭曲未在胆管内明确了胆汁引流不畅的原因是因为引流管脱落。

After the right posterior branch of the intrahepatic bile duct was placed with PTCD drainage, the bile drainage was not smooth and the bilirubin decreased insignificantly. Upon examination, the routine ultrasound showed that the drainage tube was folded and deformed between the abdominal wall and liver. Could this be the reason for the obstructed bile drainage caused by the folding? ICCEUS showed that the drainage tube was twisted and deformed between the abdominal wall and liver, not inside the bile duct, clearly indicating that the reason for the obstructed bile drainage was due to the detachment of the drainage tube