Fernando Dip1, David Nguyen1, Lisandro Montorfano1, María Eugenia Szretter Noste1, Emanuele Lo Menzo1, Conrad Simpfendorfer1, Samuel Szomstein1, Raul Rosenthal2. 1. The Bariatric & Metabolic Institute, Section of Minimally Invasive Surgery, Department of General & Vascular Surgery, Cleveland Clinic Florida, 2950 Cleveland Clinic Boulevard, Weston, FL, 33331, USA. 2. The Bariatric & Metabolic Institute, Section of Minimally Invasive Surgery, Department of General & Vascular Surgery, Cleveland Clinic Florida, 2950 Cleveland Clinic Boulevard, Weston, FL, 33331, USA. rosentr@ccf.org.
Abstract
BACKGROUND: Fluorescence cholangiography represents an incisionless technique that can be applied during laparoscopic cholecystectomy to visualize bile ducts. Our objective was to evaluate and detect variances of fluorescence imaging in obese and non-obese patients. METHODS: Prospective patients were selected for laparoscopic cholecystectomies. Subjects were divided into groups based on their body mass index. Fluorescence imaging was applied preceding any dissection of extrahepatic ducts and again after dissection. Positive and negative identifications of biliary ducts were recorded. RESULTS: Seventy-one patients participated, with 53.5 % classified as obese. The cystic, hepatic, common bile duct, and accessory ducts were identified as follows: 100, 70.4, 87.3, and 7.0 % of patients, respectively. No differences in hepatic duct, common bile duct, and accessory duct visualization were detected in the obese and non-obese groups (p value 0.09, 0.16, and 0.66, respectively). CONCLUSIONS: Fluorescent cholangiography is a useful technique in the obese and non-obese population. Obesity does not affect fluorescence visualization of bile ducts.
BACKGROUND: Fluorescence cholangiography represents an incisionless technique that can be applied during laparoscopic cholecystectomy to visualize bile ducts. Our objective was to evaluate and detect variances of fluorescence imaging in obese and non-obesepatients. METHODS: Prospective patients were selected for laparoscopic cholecystectomies. Subjects were divided into groups based on their body mass index. Fluorescence imaging was applied preceding any dissection of extrahepatic ducts and again after dissection. Positive and negative identifications of biliary ducts were recorded. RESULTS: Seventy-one patients participated, with 53.5 % classified as obese. The cystic, hepatic, common bile duct, and accessory ducts were identified as follows: 100, 70.4, 87.3, and 7.0 % of patients, respectively. No differences in hepatic duct, common bile duct, and accessory duct visualization were detected in the obese and non-obese groups (p value 0.09, 0.16, and 0.66, respectively). CONCLUSIONS: Fluorescent cholangiography is a useful technique in the obese and non-obese population. Obesity does not affect fluorescence visualization of bile ducts.
Entities:
Keywords:
Indocyanine green; Laparoscopic cholecystectomy; Near infrared incisionless cholangiography; Obesity
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