Results 221 to 230 of about 161,088 (334)

Cerebrovascular pulsatility following long duration spaceflight is associated with changes in pulse pressure and carotid artery stiffness

open access: yesExperimental Physiology, EarlyView.
Abstract Central artery stiffening increases the haemodynamic pulsations transmitted downstream towards target organs, including the brain. While recent evidence suggests that long duration spaceflight is associated with reduced common carotid artery (CCA) distensibility, cerebrovascular pulsatility has not been extensively characterized in astronauts.
Roxanne Fournier   +5 more
wiley   +1 more source

Fetal Cerebral Blood Flow (Dys)autoregulation. [PDF]

open access: yesDiagnostics (Basel)
Moreira C, Guedes-Martins L.
europepmc   +1 more source

Follow-up of residual shunt after patent foramen ovale closure

open access: yes, 2010
Anzola   +34 more
core   +1 more source

Sex differences in loop gain measured via superimposed end‐expiratory breath holds and inspired steady‐state hypoxia

open access: yesExperimental Physiology, EarlyView.
Abstract Acute low oxygen exposure (hypoxia) elicits a hypoxic ventilatory response (HVR), which increases ventilation and mitigates hypoxaemia. During sustained exposure to hypoxia, ventilatory acclimatization increases peripheral chemoreflex (HVR) sensitivity or chemoreflex loop gain (LG).
Benjamin W. L. MacKenzie   +3 more
wiley   +1 more source

New clues on sex-specific cerebrovascular aging. [PDF]

open access: yesAm J Physiol Heart Circ Physiol
Turner CG, Good ME, DuPont JJ.
europepmc   +1 more source

Environmental modulators of vascular physiology and inflammation

open access: yesExperimental Physiology, EarlyView.
Abstract Environmental factors play a crucial role in modulating vascular inflammation, contributing significantly to the development of atherosclerosis and cardiovascular disease. This review synthesizes current evidence on how various environmental exposures influence vascular function and inflammation, with a focus on pollutants such as particulate ...
Anusha N. Seneviratne   +3 more
wiley   +1 more source

The role of orexin A in the pathogenesis of ischaemic stroke at high altitude

open access: yesExperimental Physiology, EarlyView.
Schematic illustration of the experimental design. This study investigated the role of Orexin A in the pathogenesis of ischemic stroke at high altitude. Abstract Orexin offers protection against cerebral ischaemia–reperfusion injury, with high altitude playing a key role in modulating its expression.
Minxia Zhu   +7 more
wiley   +1 more source

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