Abstract
Purpose
There is still insufficient discussion of the mid- to long-term safety of the intracorporeal anastomosis (IA) method of reconstruction after laparoscopic colectomy (LAC) for colon cancer. The present study clarified the postoperative mid-term results of IA based on recurrence and the incidence of incision hernia.
Methods
This single-institution observational retrospective study included 268 patients with colon cancer who underwent IA or extracorporeal anastomosis (EA) after LAC at our institution between 2018 and 2021. The mid-term results of the IA group were compared with those of the EA group using a propensity score matching method.
Results
The median follow-up periods were 36 and 25 months in the EA and IA groups, respectively (p < 0.0001). In this matched cohort study, the recurrence-free survival (RFS) rates were comparable between the IA and EA groups (each group, n = 72; 3-year RFS: IA, 92.1%; EA, 88.2%; hazard ratio, 0.78; 95% confidence interval, 0.25–2.40; p = 0.66). The cumulative incisional hernia rates were 9.8% and 9.9% (p = 0.99) for the IA and EA groups, respectively.
Conclusion
The safety of IA after LAC was demonstrated in this study, as IA after LAC showed good mid-term results, including with regard to the rates of recurrence and incisional hernia.
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Ethical approval was obtained from the Tochigi Cancer Center Institutional Review Board (22-A002). Formal consent was not required for this retrospective study.
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Ozawa, H., Toyota, N., Sakamoto, J. et al. Mid-term outcomes of intracorporeal versus extracorporeal anastomosis after laparoscopic colectomy: a propensity score-matched cohort study from a single institution. Surg Today 53, 992–1000 (2023). https://doi.org/10.1007/s00595-022-02636-y
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DOI: https://doi.org/10.1007/s00595-022-02636-y