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Τρίτη 11 Σεπτεμβρίου 2018

Indocyanine Green Fluorescence Angiography and the Incidence of Anastomotic Leak After Colorectal Resection for Colorectal Cancer: A Meta-analysis

imageBACKGROUND: Anastomotic leak is a life-threatening complication of colorectal surgery. Recent studies showed that indocyanine green fluorescence angiography might be a method to prevent anastomotic leak. OBJECTIVE: The purpose of this study was to investigate whether intraoperative indocyanine green fluorescence angiography can reduce the incidence of anastomotic leak. DATA SOURCES: Potential relevant studies were identified from the following databases: PubMed, Embase, Web of Science, Cochrane Library, and China National Knowledge Infrastructure. STUDY SELECTION: This meta-analysis included comparative studies investigating the association between indocyanine green fluorescence angiography and anastomotic leak in patients undergoing surgery for colorectal cancer where the diagnosis of anastomotic leak was confirmed by CT and the outcomes of the indocyanine green group were compared with a control group. INTERVENTION: Indocyanine green was injected intravenously after the division of the mesentery and colon but before anastomosis. MAIN OUTCOME MEASURES: The Newcastle–Ottawa Scale was used to assess methodologic quality of the studies. ORs and 95% CIs were used to assess the association between indocyanine green and anastomotic leak. RESULTS: In 4 studies with a total sample size of 1177, comparing the number of anastomotic leaks in the indocyanine green and control groups, the ORs were 0.45 (95% CI, 0.18–1.12), 0.30 (95% CI, 0.03–2.98), 0.17 (95% CI, 0.01–3.69), and 0.12 (95% CI, 0.03–0.52). The combined OR was 0.27 (95% CI, 0.13–0.53). The difference was statistically significant (p

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