Results 181 to 190 of about 802,731 (310)

Cerebral and peripheral haemodynamics at rest and in response to orthostasis during 3 days of simulated heatwave

Experimental Physiology, EarlyView.
Abstract Acute heat stress reduces cerebral haemodynamics and orthostatic tolerance. However, the haemodynamic response to orthostasis during prolonged heat stress typical of heatwaves is unknown. We hypothesised that thermoregulatory‐induced elevations in peripheral haemodynamics during 3 days of simulated heatwave would exacerbate orthostatic‐induced
Alexander T. Friend, Samuel J. Oliver, Lydia L. Simpson, Carmen Possnig, Gabriella M. K. Rossetti, Jason T. Fisher, Lydia Tsoutsoubi, Konstantinos Mantzios, Urša Ciuha, Leonidas G. Ioannou, Igor B. Mekjavic, Justin S. Lawley   +11 more
wiley   +1 more source

Hemodynamic biomarkers in symptomatic intracranial atherosclerotic stenosis: evidence boundaries and research pathways from prognostic stratification to treatment-effect prediction. [PDF]

Front Neurol
Hu R, Zhang Z, Wang Z, Liu J, Zhang L, Zhang H.   +5 more
europepmc   +1 more source

Galectin‐3 plasma levels are associated with left atrial contractile function in long‐distance runners

Experimental Physiology, EarlyView.
Abstract High‐intensity endurance exercise induces myocardial remodelling as an adaptive response to sustained volume overload, but excessive cumulative training might also favour deleterious cardiac remodelling, including atrial fibrosis. Whether acute marathon running engages circulating fibrosis‐related biomarkers and whether these biomarkers track ...
Felipe Contreras‐Briceño, Fernanda Sanhueza‐Olivares, Rodrigo Fernández, Silvana Llevaneras, Pablo F. Castro, Luigi Gabrielli, Mario Chiong   +6 more
wiley   +1 more source

Automated CTA-Derived Collateral Grading and Morphologic Metrics for Enhanced Prediction of Poststroke Outcomes. [PDF]

AJNR Am J Neuroradiol
Deshpande A, Wang J, Bochenek KM, Oliverio P, Altaweel L, Yi S, Bahiru Z, Moro D, Heinzelmann GK, Tahsili-Fahadan P, Laksari K.   +10 more
europepmc   +1 more source

Increasing paced heart rate reduces cerebral pulsatility

Experimental Physiology, EarlyView.
Abstract Cerebral pulsatility is a key index of cerebral haemodynamics, a central determinant of intravascular shear stress within intracranial vessels, and is associated with cerebral small vessel disease. It increases with a spontaneously falling heart rate, but the effect of altering heart rates on cerebral haemodynamics is unknown.
A. J. S. Webb, J. Thomas, O. Llwyd, N. Herring   +3 more
wiley   +1 more source

"Internal carotid artery-type cervical spondylosis" is not supported as an independent subtype: a perspective on diagnostic classification and clinical differentiation. [PDF]

Front Neurol
Zhai T, Chen Y, Feng W, Zhang H.
europepmc   +1 more source

[The cerebrovascular circulation steal syndrome].

Vojnosanitetski pregled, 1997
D, Dordević, S, Cirković, B, Magdić, R, Raicević   +3 more
openaire   +1 more source

Exogenous ketosis in breath‐hold diving: Promise, paradox and physiological risk

Experimental Physiology, EarlyView.
Abstract Exogenous ketosis induced by ketone ester (KE) ingestion has attracted growing interest as a potential strategy to enhance physiological tolerance to reduced O2 availability. Reported benefits arise largely from KE‐induced hyperventilation, which can improve systemic and tissue oxygenation during altitude exposure and hypoxic exercise ...
Ivan Drviš, Myrthe Stalmans, Dario Vrdoljak, Nikola Foretic, Damian M. Bailey, Željko Dujić   +5 more
wiley   +1 more source

Association between fetal-type posterior cerebral artery variants and NIHSS-defined stroke severity in acute posterior circulation infarction. [PDF]

Front Neurol
He J, Hao T, Li W, Liu Y, Liu Y, Zhou X.
europepmc   +1 more source

The role of acid‐base balance in cerebrovascular and ventilatory responses to CO2 during 10 h normobaric hypoxia

The Journal of Physiology, EarlyView.
Abstract figure legend During 10 h exposures to normobaric hypoxia exposure there was a selective leftward shift in ventilatory response to hyperoxic hypercapnic rebreathing, but not the cerebrovascular response. The key findings are that the resetting of the central chemoreflex to lower PCO2${P_{{\mathrm{C}}{{\mathrm{O}}_2}}}$ during early hypoxic ...
Holly Barclay, Saptarshi Mukerji, Bengt Kayser, Jui‐Lin Fan   +3 more
wiley   +1 more source