Digestive Disease Week study examined ACR's guidelines for CT colonography inte...(mined the SpyGlass Direct Visualization ...),Health

Date:7/10/2008

mined the SpyGlass Direct Visualization (SGDVS) system single operator peroral cholangioscope with four-way tip deflection that recently became commercially available. The aim of the study was to evaluate the efficacy and safety of the SGDVS for treatment of difficult to remove biliary stones and assess the utility of the device for detection of missed stones by endoscopic retrograde cholangiography (ERC).

Ninety-eight patients had cholangioscopy guided stone therapy using SGDVS. These patients reflect 33 percent of the cases in a multicenter open-label cholangioscopy registry involving 15 tertiary care centers in the US and Europe in which each patient undergoes ERC immediately followed by cholangioscopy. Procedural indications were bile duct stones not amenable to removal by conventional methods or missed by ERC. Procedural success was defined as the ability to adequately visualize and initiate stone therapy.

Stone location was 56 percent for the common bile duct (CBD), 22 percent for the common hepatic duct (CHD), seven percent for the intrahepatic ducts (IHD), ten percent for the cystic duct, gallbladder was one percent, and the left and right hepatic ducts (LHD and RHD) was four percent. In 59 percent of the cases, stones were impacted, and in 29 percent, stones were reported as missed during the ERC immediately preceding the cholangioscopy. Procedural success was 92 percent in the group as a whole.

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Contact: Anne Brownsey abrownsey@asge.org 630-570-5635 American Society for Gastrointestinal Endoscopy Source:Eurekalert

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