Journal
INTERNATIONAL JOURNAL OF MEDICAL ROBOTICS AND COMPUTER ASSISTED SURGERY
Volume 8, Issue 4, Pages 436-440Publisher
WILEY-BLACKWELL
DOI: 10.1002/rcs.1437
Keywords
robotic; single site; cholecystectomy; fluorescence; indocyanin green; biliary anatomy
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Background and study aims Very recently, robotic single site cholecystectomy (RSSC) has been reported feasible and safe for selected cases. While an intra-operative cholangiography can be performed, data is scarce with respect to its use. Indocyanin green (ICG) has been shown to be a viable option to visualize biliary anatomy. Since the introduction of a new near infrared camera integrated to the da Vinci Si System (Intuitive Surgical, Sunnyvale, CA), the surgeon is able to assess the biliary anatomy by a non-invasive and non-ionizing method. This paper presents the first report of ICG imaging during a RSSC. Patients and Methods Twelve consecutive patients presenting symptomatic cholelithiasis were prospectively enrolled. They underwent RSSC approximately 45 minutes after intravenous administration of ICG (2.5 mg). The biliary anatomy was analyzed using a near infrared camera integrated to the robot before and after the robotic dissection. Results Eight women and four men underwent the procedure. There was a port addition in one case and no peri-operative complications. Mean operative time was 85 minutes (range: 57125). The cystic, common bile and common hepatic ducts were recognized by fluorescence imaging before the dissection in 91.7%, 50%, and 33.3% of patients, respectively. At least one structure was visualized in 100% of patients. After the completion of Calot's triangle dissection, the cystic, common bile, and common hepatic ducts were recognized in 100%, 83.3%, and 66.7% of cases respectively. Conclusions RSSC using ICG for biliary tree fluorescence imaging can be performed safely. Fluorescent cholangiography enabled real-time identification of the extra-hepatic biliary anatomy using a near infrared camera integrated to the robot. Its routine clinical use merits further investigations. Copyright (C) 2012 John Wiley & Sons, Ltd.
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