Techniques of Fluorescence Cholangiography During Laparoscopic Cholecystectomy for Better Delineation of the Bile Duct Anatomy
To evaluate the clinical and technical factors affecting the ability of fluorescence cholangiography (FC) using indocyanine green (ICG) to delineate the bile duct anatomy during laparoscopic cholecystectomy (LC).Application of FC during LC began after laparoscopic fluorescence imaging systems became...
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Veröffentlicht in: | Medicine (Baltimore) 2015-06, Vol.94 (25), p.e1005 |
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Sprache: | eng |
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Zusammenfassung: | To evaluate the clinical and technical factors affecting the ability of fluorescence cholangiography (FC) using indocyanine green (ICG) to delineate the bile duct anatomy during laparoscopic cholecystectomy (LC).Application of FC during LC began after laparoscopic fluorescence imaging systems became commercially available.In 108 patients undergoing LC, FC was performed by preoperative intravenous injection of ICG (2.5 mg) during dissection of Calot's triangle, and clinical factors affecting the ability of FC to delineate the extrahepatic bile ducts were evaluated. Equipment-related factors associated with bile duct detectability were also assessed among 5 laparoscopic systems and 1 open fluorescence imaging system in ex vivo studies.FC delineated the confluence between the cystic duct and common hepatic duct (CyD-CHD) before and after dissection of Calot's triangle in 80 patients (74%) and 99 patients (92%), respectively. The interval between ICG injection and FC before dissection of Calot's triangle was significantly longer in the 80 patients in whom the CyD-CHD confluence was detected by fluorescence imaging before dissection (median, 90 min; range, 15-165 min) than in the remaining 28 patients in whom the confluence was undetectable (median, 47 min; range, 21-205 min; P |
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ISSN: | 0025-7974 1536-5964 |
DOI: | 10.1097/MD.0000000000001005 |