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Erschienen in: World Journal of Surgery 4/2019

04.01.2019 | Scientific Review

Robotic Versus Conventional Laparoscopic Surgery for Colorectal Cancer: A Systematic Review and Meta-Analysis with Trial Sequential Analysis

verfasst von: Ka Ting Ng, Azlan Kok Vui Tsia, Vanessa Yu Ling Chong

Erschienen in: World Journal of Surgery | Ausgabe 4/2019

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Abstract

Background

Minimally invasive surgery has been considered as an alternative to open surgery by surgeons for colorectal cancer. However, the efficacy and safety profiles of robotic and conventional laparoscopic surgery for colorectal cancer remain unclear in the literature. The primary aim of this review was to determine whether robotic-assisted laparoscopic surgery (RAS) has better clinical outcomes for colorectal cancer patients than conventional laparoscopic surgery (CLS).

Methods

All randomized clinical trials (RCTs) and observational studies were systematically searched in the databases of CENTRAL, EMBASE and PubMed from their inception until January 2018. Case reports, case series and non-systematic reviews were excluded.

Results

Seventy-three studies (6 RCTs and 67 observational studies) were eligible (n = 169,236) for inclusion in the data synthesis. In comparison with the CLS arm, RAS cohort was associated with a significant reduction in the incidence of conversion to open surgery (ρ < 0.001, I2 = 65%; REM: OR 0.40; 95% CI 0.30,0.53), all-cause mortality (ρ < 0.001, I2 = 7%; FEM: OR 0.48; 95% CI 0.36,0.64) and wound infection (ρ < 0.001, I2 = 0%; FEM: OR 1.24; 95% CI 1.11,1.39). Patients who received RAS had a significantly shorter duration of hospitalization (ρ < 0.001, I2 = 94%; REM: MD − 0.77; 95% CI 1.12, − 0.41; day), time to oral diet (ρ < 0.001, I2 = 60%; REM: MD − 0.43; 95% CI − 0.64, − 0.21; day) and lesser intraoperative blood loss (ρ = 0.01, I2 = 88%; REM: MD − 18.05; 95% CI − 32.24, − 3.85; ml). However, RAS cohort was noted to require a significant longer duration of operative time (ρ < 0.001, I2 = 93%; REM: MD 38.19; 95% CI 28.78,47.60; min).

Conclusions

This meta-analysis suggests that RAS provides better clinical outcomes for colorectal cancer patients as compared to the CLS at the expense of longer duration of operative time. However, the inconclusive trial sequential analysis and an overall low level of evidence in this review warrant future adequately powered RCTs to draw firm conclusion.
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Metadaten
Titel
Robotic Versus Conventional Laparoscopic Surgery for Colorectal Cancer: A Systematic Review and Meta-Analysis with Trial Sequential Analysis
verfasst von
Ka Ting Ng
Azlan Kok Vui Tsia
Vanessa Yu Ling Chong
Publikationsdatum
04.01.2019
Verlag
Springer International Publishing
Erschienen in
World Journal of Surgery / Ausgabe 4/2019
Print ISSN: 0364-2313
Elektronische ISSN: 1432-2323
DOI
https://doi.org/10.1007/s00268-018-04896-7

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