Assessment of Intraoperative Use of Indocyanine Green Fluorescence Imaging on the Incidence of Anastomotic Leakage After Rectal Cancer Surgery: a PRISMA-compliant Systematic Review and Meta-analysis

Overview

Journal Tech Coloproctol

Date 2020 Sep 5

PMID 32885328

Citations 10

Authors

M Song

J Liu

D Xia

H Yao

G Tian

X Chen

Y Liu

Y Jiang

Z Li

Affiliations

Soon will be listed here.

Abstract

Background: The current data on the intraoperative use of indocyanine green (ICG) fluorescence imaging to reduce the anastomotic leak (AL) rate in rectal cancer surgery remain controversial. The aim of this systematic review and meta-analysis was to evaluate the efficacy of ICG fluorescence imaging in decreasing the AL rate after rectal cancer surgery.

Methods: Studies comparing ICG fluorescence imaging with standard care in patients with rectal cancer were systematically searched from PubMed, Embase, Web of Science and Cochrane Library through January 2020. The current meta-analysis was performed according to the preferred reporting items for systematic review and meta-analysis guidelines. A pooled analysis was performed for the available data regarding the baseline features, AL rate and other surgical outcomes. RevMan version 5.3 software was used for the present meta-analysis.

Results: Nine studies with a total of 2088 patients with rectal cancer (926 in the ICG group and 1162 in the control group) were included in the present study. In the pooled analysis, the available patient and tumour-related baseline data were all comparable and without significant heterogeneity. In the present pooled analysis, the AL rate in the ICG group was significantly lower (OR 0.34; 95% CI 0.22-0.52; p < 0.0001) than that in the control group. Additionally, intraoperative use of ICG was associated with a decreased overall complication rate (OR 0.57; 95% CI 0.42-0.78; p = 0.0003) and reduced reoperation rate (OR 0.26; 95% CI 0.08-0.86; p = 0.03) in patients who had rectal cancer surgery.

Conclusions: The present study demonstrated the superiority of the intraoperative use of ICG in reducing the AL rate. However, considering the limitations of the included studies, more high-quality prospective studies and randomized controlled trials are needed.

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