Abstract
Background
Emergency resection is common for malignant right-sided obstructive colon cancer. As there is evidence showing a potential benefit of self-expandable metal stents as a bridge to surgery, a new debate has been initiated.
Objective
The aim of this study was to compare self-expandable metal stents with emergency resection in right-sided obstructive colon cancer.
Data source
A systematic search was conducted accessing Medline/PubMed, Scopus, Embase, and the Cochrane Database of Systematic Reviews.
Study selection
Studies reporting either emergency surgery or stent placement in right-sided obstructive colon cancer were included.
Intervention
Stent or emergency resection in right-sided obstructive colon cancer.
Main outcome measures
Morbidity rate, mortality rate, stoma rate, laparoscopic resection rate, anastomotic insufficiency rate, success rate of stent.
Results
A total of 6343 patients from 16 publications were analyzed. The stent success rate was 0.92 (95% CI, 0.87 to 0.95) with perforation of 0.03 (95% CI, 0.01 to 0.06). Emergency resection was performed laparoscopically at a rate of 0.15 (95% CI, 0.09 to 0.24). Primary anastomosis rate in emergency resection was 0.95 (95% CI, 0.91 to 0.97) with an anastomotic insufficiency rate of 0.07 (95% CI, 0.04 to 0.11). The mortality rate after emergency resection was 0.05 (95% CI, 0.02 to 0.09). Primary anastomosis and anastomotic insufficiency rate were similar between the two groups (RR: 1.02; 95% CI, 0.95 to 1.1; p = 0.56 and RR: 0.53; 95% CI, 0.14 to 1.93; p = 0.33). The mortality rate in emergency resection was higher compared to stent (RR: 0.51, 95% CI 0.30 to 10.89, p = 0.016).
Limitation
No randomized controlled trials are available.
Conclusion
Stent is a safe and successful alternative to emergency resection and may increase the rate of minimally invasive surgery. Emergency resection, however, remains safe and did not result in higher rate of anastomotic insufficiency. Further high-quality comparative studies are warranted to assess long-term outcomes.
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Data Availability
The source data are availabe by corresponding author upon reasonable request.
Abbreviations
- CRC:
-
Colorectal cancer
- BTS:
-
Bridge to surgery
- ER:
-
Emergency resection
- ROCC:
-
Right-sided obstructive colon cancer
- SEMS:
-
Self-expandable metal stents
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This study was funded by Hospital Muri.
The authors declare no competing interests.
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M. M. and F. K. share first authorship. M. M., F. K., and E. D. wrote the main manuscript text. E. D. performed the statistical analysis. All authors critically reviewed the manuscript and approved it for publication.
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Mäder, M., Kalt, F., Schneider, M. et al. Self-expandable metallic stent as bridge to surgery vs. emergency resection in obstructive right-sided colon cancer: a systematic review and meta-analysis. Langenbecks Arch Surg 408, 265 (2023). https://doi.org/10.1007/s00423-023-02979-1
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DOI: https://doi.org/10.1007/s00423-023-02979-1