Results 261 to 270 of about 311,189 (356)

Cerebral oxygen extraction across different exercise intensities: Role of arterial PCO2${P_{{\mathrm{C}}{{\mathrm{O}}_2}}}$

Experimental Physiology, EarlyView.
Abstract Stability in cerebral oxygen extraction fraction (OEF) is typically determined by alterations in cerebral blood flow (CBF). At rest, arterial partial pressure of carbon dioxide (PaCO2${P_{{\mathrm{aC}}{{\mathrm{O}}_2}}}$) and OEF exhibit a strong inverse relationship owing to the powerful influence of PaCO2${P_{{\mathrm{aC}}{{\mathrm{O}}_2}}}$
L. Madden Brewster, Travis Dylan Gibbons, Hannah Grace Caldwell, Connor A. Howe, Jennifer S. Duffy, Andrew R. Steele, Justin A. Monteleone, Jay M. J. R. Carr, Jodie Lauren Koep, Tenasia D. R. Monaghan, David B. MacLeod, Philip N. Ainslie   +11 more
wiley   +1 more source

The French connection: extracranial internal carotid artery and cerebral infarction in pediatric sickle cell patients. [PDF]

Haematologica
Biemond BJ.
europepmc   +1 more source

Effects of soluble guanylyl cyclase stimulation on muscle oxygenation and exercise capacity in heart failure with mildly reduced ejection fraction

Experimental Physiology, EarlyView.
Abstract Heart failure (HF) with a mildly reduced ejection fraction (HFmrEF; 40%–49%) is present in ≤25% of HF patients. Therapeutic treatment options for HFmrEF‐associated exercise intolerance are limited. Nitric oxide (NO)‐independent stimulation of soluble guanylyl cyclase to improve peripheral vasodilatation offers a novel approach to enhance ...
Ramona E. Weber, Kiana M. Schulze, Andrew G. Horn, Tyler E. McCoach, Zachary J. White, K. Sue Hageman, Stephanie E. Hall, Peter Sandner, Brad J. Behnke, Timothy I. Musch, David C. Poole   +10 more
wiley   +1 more source

A systematic evaluation of the impact of contralateral stenosis on ipsilateral internal carotid artery hemodynamics using computational fluid dynamics. [PDF]

Quant Imaging Med Surg
Braet DJ, Schollenberger J, Osborne NH, Figueroa CA.   +3 more
europepmc   +1 more source

Cerebral haemodynamic responses to inspiratory muscle work

Experimental Physiology, EarlyView.
Abstract Fatiguing inspiratory work has been shown to evoke a sympathetically mediated reflex that has systemic cardiovascular consequences, including increases in heart rate and blood pressure and a decrease in resting limb vascular conductance. Moreover, the response to this reflex appears to be attenuated in females compared with males.
Andrew H. Ramsook, Morgan A. Hughes, Wyatt W. Pruter, Kevin L. Webb, Ali Ataie, Chad C. Wiggins, Gabrielle A. Dillon, Sarah E. Baker, Michael J. Joyner   +8 more
wiley   +1 more source

Safety and efficacy of very short flow diverters for the treatment of intracranial internal carotid artery aneurysms. [PDF]

Sci Rep
Sowlat MM, Abo Kasem R, Hubbard ZS, Hughes H, Muthana A, Cunningham CM, Isidor J, Matsukawa H, Spiotta AM.   +8 more
europepmc   +1 more source

No difference in mean middle cerebral artery blood velocity responses between lower‐ and upper‐body unilateral resistance exercise in untrained individuals

Experimental Physiology, EarlyView.
Abstract Dynamic resistance exercise (RE) produces sinusoidal fluctuations in blood pressure that are mirrored by middle cerebral artery blood velocity (MCAv). However, whether lower‐ or upper‐body RE elicits a differential cerebrovascular response has not yet been examined.
Stephanie Korad, Toby Mündel, Blake G. Perry   +2 more
wiley   +1 more source

A Nature's Muse and the Journey to Understanding the Internal Carotid Artery. [PDF]

Stroke Vasc Interv Neurol
Bocanegra-Becerra JE.
europepmc   +1 more source

Microelectrode recordings from the human cervical vagus nerve during maximal breath‐holds

Experimental Physiology, EarlyView.
Abstract Voluntary breath‐holds can be sustained for a long time following training, but ultimately, regardless of duration, the asphyxic break‐point is reached and the apnoea terminated. The physiological changes occurring during the apnoea include a marked increase in sympathetically‐mediated vasoconstriction in non‐essential organs, such as skeletal
Vaughan G. Macefield, Anthony R. Bain, Matthew I. Badour, Marko Kumric, Ivan Drvis, Otto F. Barak, Josko Bozic, Zeljko Dujic   +7 more
wiley   +1 more source

Impact of Intraoperative Postural Transitions on Internal Carotid Artery Blood Flow During Gynecologic Laparoscopic Surgery. [PDF]

Int J Womens Health
Tan X, Sun W, Zhou H, Zhang L, Dong C.
europepmc   +1 more source