We conducted a systematic search of PubMed, Embase, and Google Scholar,
focusing on contemporary comparative studies that evaluated elective rVHR
versus lVHR. Continuous outcomes were expressed as mean differences (MD) and
binary events as risk ratios (RR) with 95% confidence intervals (CI). Five comparative
studies (45,787 patients) were reviewed, and four studies (552 patients)
contributed data for the quantitative meta-analysis of operative time and SSOs.
Regarding operative efficiency, rVHR was associated with a
statistically significant time penalty (Pooled MD: 47.78 min longer; 95% CI:
[12.68, 82.88]; P = 0.0076), although with high clinical
heterogeneity (I² = 95.9%). Conversely, pooling of binary surgical site occurrences
(SSOs) revealed no statistically significant difference in postoperative wound
complication rates (Pooled RR: 0.61; 95% CI: [0.22, 1.68]; P =
0.3376; I² = 42.2%).
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