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Surgery Today
Published in: Surgery Today 8/2023

19-01-2023 | Colectomy | Original Article

Mid-term outcomes of intracorporeal versus extracorporeal anastomosis after laparoscopic colectomy: a propensity score-matched cohort study from a single institution

Authors: Heita Ozawa, Naoyuki Toyota, Junichi Sakamoto, Hiroki Nakanishi, Ryo Nakanishi, Shin Fujita

Published in: Surgery Today | Issue 8/2023

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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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Metadata
Title
Mid-term outcomes of intracorporeal versus extracorporeal anastomosis after laparoscopic colectomy: a propensity score-matched cohort study from a single institution
Authors
Heita Ozawa
Naoyuki Toyota
Junichi Sakamoto
Hiroki Nakanishi
Ryo Nakanishi
Shin Fujita
Publication date
19-01-2023
Publisher
Springer Nature Singapore
Published in
Surgery Today / Issue 8/2023
Print ISSN: 0941-1291
Electronic ISSN: 1436-2813
DOI
https://doi.org/10.1007/s00595-022-02636-y

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