Comprehensive assessment of physiological responses in women during the ESA dry immersion VIVALDI microgravity simulation.
Nat Commun
; 14(1): 6311, 2023 10 09.
Article
en En
| MEDLINE
| ID: mdl-37813884
ABSTRACT
Astronauts in microgravity experience multi-system deconditioning, impacting their inflight efficiency and inducing dysfunctions upon return to Earth gravity. To fill the sex gap of knowledge in the health impact of spaceflights, we simulate microgravity with a 5-day dry immersion in 18 healthy women (ClinicalTrials.gov Identifier NCT05043974). Here we show that dry immersion rapidly induces a sedentarily-like metabolism shift mimicking the beginning of a metabolic syndrome with a drop in glucose tolerance, an increase in the atherogenic index of plasma, and an impaired lipid profile. Bone remodeling markers suggest a decreased bone formation coupled with an increased bone resorption. Fluid shifts and muscular unloading participate to a marked cardiovascular and sensorimotor deconditioning with decreased orthostatic tolerance, aerobic capacity, and postural balance. Collected datasets provide a comprehensive multi-systemic assessment of dry immersion effects in women and pave the way for future sex-based evaluations of countermeasures.
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Vuelo Espacial
/
Ingravidez
Límite:
Female
/
Humans
Idioma:
En
Año:
2023
Tipo del documento:
Article