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Survival impact of bowel resection in patients with FIGO stage II–IV ovarian cancer

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Abstract

Introduction

To compare the effect of bowel resection vs stripping on the clinical outcomes of patients with FIGO II–IV ovarian cancer.

Methods

We retrospectively analyzed patients with FIGO II–IV ovarian cancer who suffered from bowel involvement and underwent cytoreductive surgery between January 2014 and March 2022. Patients’ survival was compared by Kaplan–Meier survival analysis and Cox proportional hazards models.

Results

Four hundred and twelve patients were included. 48 patients underwent bowel resection (BR), and 364 patients underwent bowel tumor stripping (BTS). The BR group had longer operative duration, hospital stay, time to post-operative chemotherapy, and more intraoperative bleeding. The median PFS was 37 months (95% CI 12–62) in BTS compared to 25 months (95% CI 10–40) in BR among patients who achieved R0 resection (p = 0.590). Among those with R1 resection, the median PFS in BST was 23 months (95% CI 16–30) and that in BR was 15 months (95% CI 12–18, p = 0.136); moreover, a favorable median PFS was observed in BTS with residual bowel lesions (23 months, 95% CI 14–32), compared to BR (15 months, 95% CI 12–18, p = 0.144). Multivariate analysis indicated that FIGO stage, PCI, cytoreduction time and residual lesions were independent prognostic factors of PFS.

Conclusion

For patients with FIGO stage II–IV ovarian cancer with bowel implicated, bowel resection is necessary to achieve complete removal to improve the survival. If complete resection was judged unfeasible, cautious decision of bowel resection is required. Neoadjuvant chemotherapy might reduce the ratio of bowel resection for some with mesenteric involvement.

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All data relevant to the study are included in the article or uploaded as supplementary information.

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Funding

The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

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Authors and Affiliations

Authors

Contributions

WQM: conception, data acquisition, data management, statistical analysis, critical analysis, drafting/final editing. XY, LYX, WX, GQY: critical analysis, drafting/final editing. LHH: supervision, critical analysis, drafting/final editing, guarantor.

Corresponding authors

Correspondence to Hua Linghu or Bing Liu.

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Conflict of interest

The authors declare no potential conflict of interests.

Ethical approval

This study was sanctioned by the ethical review committee of The First Affiliated Hospital of Chongqing Medical University (approval number: 2022-K114).

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Not applicable.

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Wang, Qm., Xiao, Y., Liu, Yx. et al. Survival impact of bowel resection in patients with FIGO stage II–IV ovarian cancer. J Cancer Res Clin Oncol 149, 14843–14852 (2023). https://doi.org/10.1007/s00432-023-05258-0

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  • DOI: https://doi.org/10.1007/s00432-023-05258-0

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