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Meta-Analysis
. 2015 Jan 24:13:9.
doi: 10.1186/s12957-014-0417-1.

Meta-analysis of defunctioning stoma in low anterior resection with total mesorectal excision for rectal cancer: evidence based on thirteen studies

Wen-long Gu  1 , Sheng-wen Wu  2
Affiliations
Meta-Analysis

Meta-analysis of defunctioning stoma in low anterior resection with total mesorectal excision for rectal cancer: evidence based on thirteen studies

Wen-long Gu et al. World J Surg Oncol. .

Abstract

Background: Recent studies have shown that a protective stoma can reduce morbidity in low anterior resection for rectal cancer; however, the necessity of it is still controversially discussed.

Methods: We performed this meta-analysis to provide a comprehensive evaluation of the role of defunctioning stoma in low anterior resection for rectal cancer on the rates of anastomotic leakage and reoperation related to leakage with or without defunctioning stoma by calculating the pooled risk ratio.

Results: Studies and relevant literature published between 2004 and 2014 regarding the construction of a protective stoma after low anterior resection were searched though PubMed and EMBASE databases. Finally, a total of 13 studies including 8,002 patients were included in this meta-analysis. The results indicated that protective stomas significantly reduced the rate of postoperative anastomotic leakage and reoperation after low anterior rectal resection. The pooled risk ratios were 0.47 (95% CI: 0.33-0.68, P <0.0001) and 0.36 (95% CI: 028-0.46, P <0.00001), respectively.

Conclusions: The findings from this present meta-analysis suggest that a defunctioning stoma could effectively reduce the clinical consequences of anastomotic leakage and reoperation, it is recommended in patients undergoing low rectal anterior resection for rectal cancer.

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Figures

Figure 1
Figure 1
Forest plot for a comparison of the study outcomes of low anterior resection with or without stoma vs. anastomotic leakage. Risk ratios are shown with 95% CIs.
Figure 2
Figure 2
Forest plot of the study outcomes of low anterior resection with or without stoma vs. reoperation rate. Risk ratios are shown with 95% CIs.
Figure 3
Figure 3
Funnel plot for the publication bias.
See this image and copyright information in PMC

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