European Surgical Research
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Article / Publication Details
Abstract
Background: Despite considerable progress in surgical techniques, anastomotic leak (AL) is a common complication after gastrointestinal surgery. Stem cells are a promising therapy to improve healing and have been used in gastrointestinal anastomoses. In this study, we perform a systematic review and meta-analysis to evaluate the efficacy of stem cell therapies in preventing ALs among animal studies.
Methods: A systematic review of the literature was performed by searching PubMed, Web of Science and the Cochrane Library. We considered all anastomoses of the gastrointestinal tract (excl. biliary), from the esophagus to the rectum. Outcomes included AL rates on postoperative day (POD) 7 and the latest time point reported.
Results: Fourteen studies were identified, evaluating stem cells in gastrointestinal anastomoses, of which 1 was on esophageal, 2 on gastric, 2 on small intestinal and 9 on colorectal anastomoses. Meta-analysis did not show significant differences in AL rates on POD7 (OR 0.34 [95% CI: 0.04-3.15], p=0.248, I2=34.1% [95% CI: 0-75.2%], Q=6.07, df=4, p=0.194), but there was a non-significant trend for lower AL rates at the latest time point reported (OR 0.28 [95% CI: 0.08-1.01, p=0.052, I2=34% [95% CI: 0-70.8%], Q=10.6, df=7, p=0.157).
Conclusion: Stem cell therapy may be associated with lower AL rates in gastrointestinal anastomoses, though meta-analysis is severely inhibited by heterogeneous study design. More studies are needed to determine the therapeutic potential of stem cells.
S. Karger AG, Basel
Article / Publication Details
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