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Published on: November 4, 2010
Two-row, three-row or powered circular stapler, which to choose when performing colorectal anastomosis? A systematic
José Martín-Arévalo1,2, Vicente Pla-Martí3,4, Dixie Huntley3
1Colorectal Surgery Unit, Department of General and Digestive Surgery, Biomedical Research Institute INCLIVA, Hospital Clínico Universitario, Av. Blasco Ibáñez, 17. 46010, Valencia, Spain. jose.arevalo@uv.es.
Purpose:
Three types of circular staplers can be used to perform a colorectal anastomosis: two-row (MCS), three-row (TRCS) and powered (PCS) devices. The objective of this meta-analysis has been to provide the existing evidence on which of these circular staplers would have a lower risk of presenting a leak (AL) and/or anastomotic bleeding (AB).
Methods:
An in-depth search was carried out in the electronic bibliographic databases Embase, PubMed and SCOPUS. Observational studies were included, since randomized clinical trials comparing circular staplers were not found.
Results:
In the case of AL, seven studies met the inclusion criteria in the PCS group and four in the TRCS group. In the case of AB, only four studies could be included in the analysis in the PCS group. The AL OR reported for PCS was 0.402 (95%-confidence interval (95%-CI): 0.266-0.608) and for AB: 0.2 (95% CI: 0.08-0.52). The OR obtained for AL in TRCS was 0.446 (95%-CI: 0.217 to 0.916). Risk difference for AL in PCS was - 0.06 (95% CI: - 0.07 to - 0.04) and in TRCS was - 0.04 (95%-CI: - 0.08 to - 0.01). Subgroup analysis did not report significant differences between groups. On the other hand, the AB OR obtained for PCS was 0.2 (95% CI: 0.08-0.52). In this case, no significant differences were observed in subgroup analysis.
Conclusion:
PCS presented a significantly lower risk of leakage and anastomotic bleeding while TRCS only demonstrated a risk reduction in AL. Risk difference of AL was superior in the PCS than in TRCS.
