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Title
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Resting energy expenditure, body composition, and metabolic alterations in breast cancer survivors vs. healthy controls : a cross-sectional study
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Author
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Abstract
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| Purpose This study aimed to investigate the difference in absolute and fat free mass (FFM)-adjusted resting energy expenditure (mREE) and body composition (body weight, fat mass (FM), FFM) between breast cancer survivors (BCs) and controls. Correlations with body composition were analyzed. We examined if survival year, or being metabolically dysfunctional were predictive variables. Methods A cross-sectional analysis was conducted on 32 BCs ≤5 years post treatment and 36 healthy controls. Indirect calorimetry measured absolute mREE. Body composition was determined by BOD POD. FFM-adjusted mREE was calculated (mREE/FFM). The Harris-Benedict equation was used to predict REE and determine hyper−/hypometabolism (mREE/pREE). The database of the multidisciplinary breast clinic of the University Hospital of Antwerp was consulted for survival year and metabolic dysfunctions. Results BCs have similar absolute mREE and greater FFM-adjusted mREE compared to controls. Absolute mREE and body composition between BCs differed; adjusted mREE was similar. FFM correlated significantly with absolute mREE in BCs. A significant interaction term was found between survival year and FM for absolute mREE. Conclusion BCs have similar absolute mREE, but higher FFM-adjusted mREE. Differences in body composition between BCs are suggested to cause inter-individual variations. We suggest that increased FFM-adjusted mREE is caused by metabolic stress related to cancer/treatment. Accurate measurement of REE and body composition is advised when adapting nutritional strategies, especially in patients at risk for developing metabolic dysfunctions. |
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Language
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English
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Source (journal)
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BMC women's health. - London
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Publication
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London
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2024
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ISSN
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1472-6874
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DOI
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10.1186/S12905-024-02900-Y
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Volume/pages
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24
:1
(2024)
, p. 1-10
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Article Reference
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117
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ISI
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001161466100002
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Pubmed ID
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38347441
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Full text (Publisher's DOI)
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Full text (open access)
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