Endoscopy, Table of Contents Endoscopy 2014; 46(S 01): E140-E141DOI: 10.1055/s-0033-1359240 Cases and Techniques Library (CTL) © Georg Thieme Verlag KG Stuttgart · New YorkUntying the knot: technique of unraveling a guidewire knot created during EUS-guided biliary drainage Authors Author Affiliations Payal Saxena Department of Medicine and Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA Gerard Aguila Department of Medicine and Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA Vivek Kumbhari Department of Medicine and Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA Mouen A. Khashab Department of Medicine and Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA Recommend Article Abstract Full Text References References 1 Gupta PN, Praveen GK, Ahmed SZ et al. Knots in the cath lab, an embarrassing complication of radial angiography. Heart Asia 2013; 5: 36-38 2 Lee JJ, Kim JS, Jeong WS et al. A complication of subclavian venous catheterization: extravascular kinking, knotting, and entrapment of the guidewire: a case report. Korean J Anesthesiol 2010; 58: 296-298 3 Sambrook AJ, Todd A. Untangling of knotted urethral catheters. Pediatr Radiol 2007; 37: 380-383 4 Khashab MA, Valeshabad AK, Modayil R et al. EUS-guided biliary drainage by using a standardized approach for malignant biliary obstruction: rendezvous versus direct transluminal techniques (with videos). Gastrointest Endosc 2013; 78: 734-741