JOURNAL ARTICLE
META-ANALYSIS
SYSTEMATIC REVIEW
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Intraoperative Cholangiography in Laparoscopic Cholecystectomy: A Systematic Review and Meta-Analysis.

BACKGROUND/OBJECTIVES: Routine intraoperative cholangiography (IOC) for laparoscopic cholecystectomy (LC) remains controversial. The primary outcomes of this meta-analysis were detection rates of choledocholithiasis, bile duct injuries (BDI), and missed stones in LCs.

METHODS: A systematic literature search was conducted for the time period January 1, 1990 to July 31, 2022. Some studies reported LCs with conversion to open therefore subgroup analysis in BDI rates was performed for studies which included LCs with and without conversion to open. Studies including primary open cholecystectomies were excluded. I2 statistics were used for heterogeneity analysis.

RESULTS: Fourteen studies involving 440659 patients were included. In studies comparing routine and selective IOC policies in LC, 61.1% of patients underwent routine IOC; 38.9% underwent selective IOC. In studies comparing IOC to no IOC in LC, 17.3% of patients had IOC; 82.7% did not. Between the selective and routine IOC groups there was no difference in choledocholithiasis detection rate (odds ratio [OR] = 1.33, p = 0.20, 95% confidence interval [CI] = 0.86 - 2.04), no difference in the rate of missed stones (OR = 1.59, p = 0.58; 95% CI = 0.31 - 8.29), and no difference in BDI rates in selective compared to routine IOC (OR = 0.92, p = 0.92; 95% CI = 0.20 - 4.22). There was no difference in the BDI detection rates in LC with and without IOC (OR = 1.12, p = 0.77; 95% CI = 0.52 - 2.38).

CONCLUSION: This is the largest meta-analysis on this topic to date. There was no statistically significant difference in choledocholithiasis detection, missed stones, or BDI rates in the analyzed groups.

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