Abstract
Purpose: This study aimed to investigate the impact of short-term low energy availability (LEA) on vascular function in young, regularly menstruating women. Methods: Participants were 19 women, aged 22.9 ± 4.2 years, with body mass index 18–30 kg·m 2. They were divided into two groups and completed two conditions in a crossover design: a 3-day control condition (CON) with an energy availability of 45 kcals·kgFFM −1·day −1 and a 3-day LEA condition of 15 kcals·kgFFM −1 day –1. Assessments were conducted during the early follicular phase of the menstrual cycle. Outcome measures included forearm blood flow (FBF), heart rate, blood pressure, arterial stiffness, resting energy expenditure (REE), metabolic blood markers and body composition. Results: Significant time-by-condition interactions were found for resting FBF (p =.004), REE (p =.042), triiodothyronine (p =.006), β-hydroxybutyrate (p =.002) and body mass (p <.001). Resting FBF was 1.43 ± 1.01 and 1.31 ± 0.61 (arbitrary units) at pre and post, respectively, in LEA and 1.52 ± 0.7 and 1.76 ± 0.57 at pre and post in CON. The LEA condition led to a decrease in triiodothyronine (pre: 1.54 ± 0.28, post: 1.29 ± 0.27 ng ml −1), REE (pre: 1588 ± 165, post: 1487 ± 160 kcals day −1) and body mass (pre: 61.4 ± 7.5, post: 59.6 ± 7.3 kg). Changes in resting FBF were significantly correlated with changes in REE in the LEA condition (r = 0.53; p = 0.02). Conclusion: Short-term LEA modifies regional blood flow and this might contribute to the observed decreased in REE. Findings emphasize the need for careful management of energy availability in populations at risk of LEA.
| Original language | English |
|---|---|
| Pages (from-to) | 3057-3057 |
| Number of pages | 1 |
| Journal | European Journal of Applied Physiology |
| Volume | 124 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published (in print/issue) - 10 Aug 2024 |
Bibliographical note
Publisher Copyright:© The Author(s) 2024.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
-
SDG 3 Good Health and Well-being
Fingerprint
Dive into the research topics of 'Correction to: Energy availability modulates regional blood flow via estrogen‑independent pathways in regularly menstruating young women: Energy availability modulates regional blood flow via estrogen-independent pathways in regularly menstruating young women (European Journal of Applied Physiology, (2024), 10.1007/s00421-024-05497-0)'. Together they form a unique fingerprint.Research output
- 1 Article
-
Energy availability modulates regional blood flow via estrogen-independent pathways in regularly menstruating young women
Hutson, M. J., O’Donnell, E., McConnell, K., Chauntry, A. J. & Blagrove, R. C., 31 Oct 2024, In: European Journal of Applied Physiology. 124, 10, p. 3045-3055 11 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile7 Link opens in a new tab Citations (Scopus)19 Downloads (Pure)
Datasets
-
Energy availability modulates regional blood flow via estrogen-independent pathways in regularly menstruating young women dataset
Hutson, M. (Creator), Ulster University, 5 Jun 2024
DOI: 10.21251/22dba83b-aed7-4416-9575-d7b198be2c1e
Dataset
File
Cite this
- APA
- Author
- BIBTEX
- Harvard
- Standard
- RIS
- Vancouver