Journal
JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES
Volume 28, Issue 2, Pages 202-210Publisher
WILEY
DOI: 10.1002/jhbp.855
Keywords
laparoscopic cholecystectomy; indocyanine green; fluorescence imaging; navigation surgery; cholangiography
Categories
Funding
- JSPS KAKENHI [JP187100000517]
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This study compared the fluorescence intensity and contrast of CBD and CBD-HDL between patients who received ICG on the day of LC and those who received it one day before. The results showed that administering ICG a day before surgery offers better CBD background contrast.
Background The optimal indocyanine green (ICG) administration protocol for fluorescence cholangiography during laparoscopic cholecystectomy (LC) has yet to be determined. Methods A prospective study including 20 cases of ICG fluorescence-navigated LC was conducted. Accordingly, the first 10 patients were administered 2.5 mg of ICG on the day of surgery after intubation (surgery-day group), while the remaining 10 consecutive patients were administered 0.25 mg/kg of ICG on the evening before surgery (one-day-before group). Fluorescence intensity (FI) of each tissue and FI ratios were then compared between both groups. Results The median interval between observation and ICG administration was 27 minutes and 16 hours 24 minutes in the surgery-day and one-day-before group, respectively. Although FI values for the common bile duct (CBD), liver, and hepatoduodenal ligament (HDL) were significantly lower in the one-day-before group than in the surgery-day group, CBD- , 0.6-1.2 vs 2.5, 0.9 = -4.8; P < .001), and CBD-HDL contrast (1.7, 1.4-2.4 vs 2.3, 1.5-13.3; P = .038) were significantly higher in the one-day-before group than in the surgery-day group. Conclusion ICG administration a day before LC may offer better CBD background contrast compared to administration just prior to surgery.
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