检查 适用于不能经腹部超声证实的可疑胆总管结石,尤其是无法接受 MRCP(幽闭恐怖症、植入装置)的患者,或用于在行治疗性 ERCP 之前确认高风险患者的胆总管结石。[49]Karakan T, Cindoruk M, Alagozlu H, et al. EUS versus endoscopic retrograde cholangiography for patients with intermediate probability of bile duct stones: a prospective randomized trial. Gastrointest Endosc. 2009 Feb;69(2):244-52.http://www.ncbi.nlm.nih.gov/pubmed/19019364?tool=bestpractice.com[50]Janssen J, Halboos A, Greiner L. EUS accurately predicts the need for therapeutic ERCP in patients with a low probability of biliary obstruction. Gastrointest Endosc. 2008 Sep;68(3):470-6.http://www.ncbi.nlm.nih.gov/pubmed/18547571?tool=bestpractice.com[51]Lee YT, Chan FK, Leung WK, et al. Comparison of EUS and ERCP in the investigation with suspected biliary obstruction caused by choledocholithiasis: a randomized study. Gastrointest Endosc. 2008 Apr;67(4):660-8.http://www.ncbi.nlm.nih.gov/pubmed/18155205?tool=bestpractice.com[52]Liu CL, Fan ST, Lo CM, et al. Comparison of early endoscopic ultrasonography and endoscopic retrograde cholangiopancreatography in the management of acute biliary pancreatitis: a prospective randomized study. Clin Gastroenterol Hepatol. 2005 Dec;3(12):1238-44.http://www.ncbi.nlm.nih.gov/pubmed/16361050?tool=bestpractice.com[53]Polkowski M, Regula J, Tilszer A, et al. Endoscopic ultrasound versus endoscopic retrograde cholangiography for patients with intermediate probability of bile duct stones: a randomized trial comparing two management strategies. Endoscopy. 2007 Apr;39(4):296-303.http://www.ncbi.nlm.nih.gov/pubmed/17427065?tool=bestpractice.com
EUS 可能比 MRCP 更准确,但其价值取决于当地专业性。[56]De Castro VL, Moura EG, Chaves DM, et al. Endoscopic ultrasound versus magnetic resonance cholangiopancreatography in suspected choledocholithiasis: a systematic review. Endosc Ultrasound. 2016 Mar-Apr;5(2):118-28.http://www.eusjournal.com/article.asp?issn=2303-9027;year=2016;volume=5;issue=2;spage=118;epage=128;aulast=Dehttp://www.ncbi.nlm.nih.gov/pubmed/27080611?tool=bestpractice.com