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The impact of advanced oncoplastic surgery on breast-conserving surgery rates: A retrospective cohort study of 3,875 breast cancer procedures at a tertiary referral centre

Lookup NU author(s): Angus Reid, Dr Robert Thomas

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).

Abstract

© 2024 The Authors. Introduction: As the treatment of breast cancer advances, the focus has shifted from solely improving oncological endpoints to a greater weight being placed on cosmetic and psychological outcomes. The advent of advanced oncoplastic techniques allows for successful breast-conserving surgery (BCS) to patients who otherwise would have required a mastectomy. The aim of this study is to ascertain if the adoption of these procedures has assisted in the reduction of mastectomies performed. Methods: A dataset of all breast cancer procedures based upon coding between April 2016 and July 2023 was evaluated, categorising procedures into: BCS, mastectomy, oncoplastic BCS and total reconstructions. R-Studio Software 4.3.1 (®) was used to explore statistical analysis and data visualisation. Registered as a clinical services evaluation study (Project ID: 14649). Results: During the period stated, 3875 index breast cancer procedures were recorded (sample size = 3638 patients). The BCS rate increased from 66.2 % in 2016 to 80.7 % in 2023. Using a linear regression model, the BCS rate demonstrates an increase of 2.1 % each year (coefficient = 2.12, p-value = 0.0069). Concurrently, the rate of oncoplastic BCS increased from 10.5 % to 22.9 % (coefficient = 2.14, p-value = 0.00017). Using Pearson's product-moment, a positive correlation between these two variables is seen (coefficient = 0.86, p-value = 0.0056). Conclusion: Having reviewed 3875 index breast cancer procedures over the past eight years, the BCS rate has shown a statistically significant increase and a positive correlation with the oncoplastic BCS rate. This suggests oncoplastic surgery has helped to reduce the rates of mastectomy at the centre.

Publication metadata

Author(s): Reid A, Thomas R, Pieri A, Critchley A, Kalra L, Carter J, O'Donoghue JM, King E, Cain H

Publication type: Article

Publication status: Published

Journal: Breast

Year: 2024

Volume: 78

Print publication date: 01/12/2024

Online publication date: 22/09/2024

Acceptance date: 21/09/2024

Date deposited: 02/10/2024

ISSN (print): 0960-9776

ISSN (electronic): 1532-3080

Publisher: Churchill Livingstone

URL: https://doi.org/10.1016/j.breast.2024.103814

DOI: 10.1016/j.breast.2024.103814

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