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Lithotripsy, Laser clinical trials

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NCT ID: NCT02538731 Not yet recruiting - Clinical trials for Cholangiopancreatography, Endoscopic Retrograde

Laser Lithotripsy for Difficult Large Bile Duct Stones

Start date: August 2015
Phase: N/A
Study type: Interventional

Very large bile duct stones are difficult to remove. Dilation-assisted stone extraction, also termed small endoscopic sphincterotomy plus endoscopic papillary large balloon dilatation, is safe and effective technique for the treatment of large CBD stones. However, in approximately 5-10% of patients, the removal of large bile duct stones may be difficult. For this selected group of patients for whom all conventional endoscopic stone treatment devices have failed, laser lithotripsy technology has provided an approach to the fragmentation of difficult bile duct stones. A single-operator cholangioscopy (SOC) system (SpyGlass Direct Visualization System, Boston Scientific Corp., Natick, MA, USA) has overcome most of the conventional cholangioscopy limitations. The investigators aimed to evaluate the efficacy and safety of Spyglass-guided laser lithotripsy for difficult CBD stones not amenable to conventional dilation-assisted stone extraction therapy.