Identifying women at risk of weight gain after a breast cancer diagnosis: Results from a cohort of Australian women.

Health Promot J Austr

Department of Medical Oncology, The Canberra Hospital. ANU Medical School, Australian National University, Canberra, ACT, Australia.

Published: January 2022

Issues Addressed: This study aimed to identify risk factors associated with weight gain post a diagnosis of breast cancer in a cohort of Australian women.

Methods: In this retrospective clinical audit, objectively measured weight, age and menopause status, treatment type/s, grade, stage, oestrogen receptor and progesterone receptor (PR) status were extracted for 73 breast cancer patients from an ongoing breast cancer treatment quality assurance project. Weight gain or loss was classified as a body mass increase or decrease of ≥5% of weight at diagnosis.

Results: When compared to weight at diagnosis, 57% of patients maintained, 22% gained, and 21% lost weight at 24 months post-diagnosis. Factors associated with weight gain were a diagnosis of grade II (P < .001) or grade III (P < .001) compared to grade I breast cancer, and refusal of radiotherapy (P < .001). Factors associated with weight loss were being postmenopausal compared to premenopausal (P = .033), PR positive compared to PR negative (P < .001), refusal of chemotherapy (P < .001) and radiotherapy recommended (P < .001).

Conclusions: The maintenance of weight in a majority of women in this cohort is a novel finding. Early identification of women at risk of weight gain post a breast cancer diagnosis can assist health professionals identify, and therefore assisting patients in the prevention and management of weight gain and associated sequela. Investigating the weight-related communications between a patient and specialist, their access to allied health professionals and social support may assist in understanding the overall positive changes in this cohort.

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http://dx.doi.org/10.1002/hpja.474DOI Listing

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