Department of Gastroenterology, Changi General Hospital, 2 Simei Street 3, Singapore 529889.
Singapore Med J. 2010 Oct;51(10):762-6.
An obstructed biliary system is usually drained by endoscopic retrograde cholangiopancreatography, and when this is unsuccessful, the standard alternative technique is percutaneous transhepatic biliary drainage. Surgical biliary bypass may also be required. In recent years, endosonography has transformed from a solely diagnostic procedure to one with therapeutic capabilities. Endosonography-guided biliary drainage is now being performed as an alternative to percutaneous transhepatic biliary drainage. This is an evolving field, with challenges that must be addressed before it can become a routine clinical practice. This review summarises the current status of endosonography-guided biliary drainage.
胆道系统阻塞通常通过内镜逆行胰胆管造影术（endoscopic retrograde cholangiopancreatography，ERCP）进行引流，如果该方法不成功，标准的替代技术是经皮经肝胆管引流术（percutaneous transhepatic biliary drainage，PTBD）。也可能需要进行外科胆道旁路手术。近年来，超声内镜（endosonography）已从单纯的诊断程序转变为具有治疗能力的程序。超声内镜引导下的胆道引流术现在作为经皮经肝胆管引流术的替代方法被采用。这是一个不断发展的领域，在成为常规临床实践之前，必须解决一些挑战。本综述总结了超声内镜引导下胆道引流术的现状。
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