Differences in total cognition and cerebrovascular function in female breast cancer survivors and cancer-free women
Article
Article Title | Differences in total cognition and cerebrovascular function in female breast cancer survivors and cancer-free women |
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ERA Journal ID | 15822 |
Article Category | Article |
Authors | Downs, Tahnee L., Whiteside, Eliza J., Foot, Gaye, Mills, Dean E. and Bliss, Edward S. |
Journal Title | The Breast |
Journal Citation | 69, pp. 358-365 |
Number of Pages | 8 |
Year | 2023 |
Place of Publication | United Kingdom |
ISSN | 0960-9776 |
1532-3080 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.breast.2023.03.018 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S0960977623004356 |
Abstract | Reduced cognition is often reported by breast cancer patients and survivors, but the mechanisms for this decline are yet to be determined. We compared the differences in cerebrovascular function and cognition in breast cancer survivors (n = 15) and cancer-free women (n = 15) matched by age and body mass index. Participants undertook anthropometric, mood, cardiovascular, exercise performance, strength, cerebrovascular, and cognitive measurements. Transcranial Doppler ultrasound was used to measure the cerebrovascular responsiveness (CVR) to physiological (hypercapnia; 5% carbon dioxide) and psychological stimuli. Breast cancer survivors had a lower CVR to hypercapnia (21.5 ± 12.8 vs 66.0 ± 20.9%, P < 0.001), CVR to cognitive stimuli (15.1 ± 1.5 vs 23.7 ± 9.0%, P < 0.001) and total composite cognitive score (100 ± 12 vs. 113 ± 7, P = 0.003) than cancer-free women. These parameters remained statistically different between the groups following adjustments for covariates using an analysis of co-variance. We observed significant correlations between multiple measures and exercise capacity the only variable positively correlated to all primary measures (CVR to hypercapnia, r = 0.492, P = 0.007; CVR to cognitive stimuli r = 0.555, P = 0.003; and total composite cognitive score, r = 0.625, P < 0.001). In this study, breast cancer survivors had lower cerebrovascular and cognitive function than age-matched cancer-free women, which may be attributable to the effects of cancer and cancer treatment on brain health. |
Keywords | Breast cancer; Cerebral blood flow; Cerebrovascular function; Cognition; Survivor |
Article Publishing Charge (APC) Funding | Project Funding |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 320199. Cardiovascular medicine and haematology not elsewhere classified |
320999. Neurosciences not elsewhere classified | |
321199. Oncology and carcinogenesis not elsewhere classified | |
Byline Affiliations | School of Health and Medical Sciences |
Centre for Future Materials | |
Centre for Health Research | |
University of Southern Queensland |
https://research.usq.edu.au/item/yw643/differences-in-total-cognition-and-cerebrovascular-function-in-female-breast-cancer-survivors-and-cancer-free-women
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License: CC BY 4.0 | ||
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