Results 101 to 110 of about 876,542 (214)

Computational analysis of head-down bed rest effects on cardiac action potential duration

open access: yes, 2013
Several episodes of ventricular arrhythmias have been reported during spaceflights, and cardiovascular deconditioning induced by microgravity exposure has already been assessed.
Passini E   +7 more
core   +1 more source

Numerical simulation of cardiovascular system deconditioning in different microgravity mission scenarios. Risk assessment and countermeasures

open access: yes
We report results from di¿erent intensive simulations aimed at evaluate the risks involved in a long-term exposure to hypo and hypergravity loads for a very extensive range of possible mission scenarios.
Pérez Poch, Antoni
core  

A numerical model to assess deconditioning of the cardiovascular system in long-term exposure to microgravity. Verification and simulation of Mars mission scenarios [PDF]

open access: yes, 2016
Numerical simulations of the cardiovascular system are particularly important in scenarios where it is difficult to experiment different weightlessness exposure conditions.
Pérez Poch, Antoni
core  

Cardiovascular variability and baroreceptor reflex sensitivity over a 14-day tail suspension in rats

open access: yes, 1995
To verify whether a long-term weightlessness simulation was associated with development of cardiovascular deconditioning, male Wistar rats were tail suspended for 13 days and then removed for a 24-h recovery.
M. Lo   +3 more
core   +1 more source

Lower body negative pressure identifies altered central vein characteristics without accompanying changes to baroreflexes in astronauts within hours of landing

open access: yesScientific Reports
Cardiovascular deconditioning and altered baroreflexes predispose returning astronauts to Orthostatic Intolerance. We assessed 7 astronauts (1 female) before and following long-duration spaceflight (146 ± 43 days) with minimal upright posture prior to ...
C. J. Mastrandrea   +5 more
doaj   +1 more source

Cardiovascular abnormalities of long-COVID syndrome: Pathogenic basis and potential strategy for treatment and rehabilitation

open access: yesSports Medicine and Health Science
Cardiac injury and sustained cardiovascular abnormalities in long-COVID syndrome, i.e. post-acute sequelae of coronavirus disease 2019 (COVID-19) have emerged as a debilitating health burden that has posed challenges for management of pre-existing ...
Kainuo Wu, Jonathan Van Name, Lei Xi
doaj   +1 more source

Deep learning optimization in cardiovascular deconditioning modeling for long-term human space missions

open access: yes
We applied deep learning optimization in the complex, multi-factorial process of human cardiovascular system deconditioning in different long-term missions.
Pérez Poch, Antoni
core  

Towards a common definition of hospital-acquired deconditioning in adults: a scoping review [PDF]

open access: yes
Background Hospital-acquired deconditioning is a term used in clinical practice, describing a loss of physical and/or cognitive function associated with hospitalisation.
Adam L. Gordon   +11 more
core   +1 more source

Effects of weightlessness on the cardiovascular system: a systematic review and meta-analysis

open access: yesFrontiers in Physiology
Background: The microgravity environment has a direct impact on the cardiovascular system due to the fluid shift and weightlessness that results in cardiac dysfunction, vascular remodeling, and altered Cardiovascular autonomic modulation (CAM ...
Rafaella Mendes Zambetta   +7 more
doaj   +1 more source

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