Search Results - "Tzeng, Yu‐Chieh"

Integrative regulation of human brain blood flow by Willie, Christopher K., Tzeng, Yu‐Chieh, Fisher, Joseph A., Ainslie, Philip N.

“…Herein, we review mechanisms regulating cerebral blood flow (CBF), with specific focus on humans. We revisit important concepts from the older literature and…”
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Methodological comparison of active- and passive-driven oscillations in blood pressure; implications for the assessment of cerebral pressure-flow relationships by Smirl, Jonathan D, Hoffman, Keegan, Tzeng, Yu-Chieh, Hansen, Alex, Ainslie, Philip N

“…We examined the between-day reproducibility of active (squat-stand maneuvers)- and passive [oscillatory lower-body negative pressure (OLBNP) maneuvers]-driven…”
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Cholinergic control of the cerebral vasculature in humans by Hamner, J. W., Tan, Can Ozan, Tzeng, Yu‐Chieh, Taylor, J. Andrew

“…Key points •  Cerebral autoregulation maintains cerebral perfusion relatively constant in the face of slow changes in arterial pressure, but is less effective…”
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Post-stroke recovery: the role of activity-dependent release of brain-derived neurotrophic factor by Berretta, Antonio, Tzeng, Yu-Chieh, Clarkson, Andrew N

“…Stroke remains the leading cause of long-term disability with no pharmacological approaches available to limit the degree of damage or aid in recovery…”
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Respiratory alkalinization and posterior cerebral artery dilatation predict acute mountain sickness severity during 10 h normobaric hypoxia by Barclay, Holly, Mukerji, Saptarshi, Kayser, Bengt, O'Donnell, Terrence, Tzeng, Yu‐Chieh, Hill, Stephen, Knapp, Katie, Legg, Stephen, Frei, Dan, Fan, Jui‐Lin

“…New Findings What is the central question of this study? The pathophysiology of acute mountain sickness (AMS), involving the respiratory, renal and…”
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Single-Sided Magnet System for Quantitative MR Relaxometry and Preclinical In-Vivo Monitoring by Thomas, Dion G., Tzeng, Yu-Chieh, Galvosas, Petrik, Harrison, Freya G., Berry, Mary J., Teal, Paul D., Galvin, Sean D., Obruchkov, Sergei I.

“…Objective: We have developed a single-sided magnet system that allows Magnetic Resonance relaxation and diffusion parameters to be measured. Methods: A…”
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Cerebral oxygenation and cardiorespiratory stability following liberal transfusion in preterm neonates by Saito‐Benz, Maria, Gray, Clint, Tzeng, Yu‐Chieh, Atkinson, Greg, Berry, Mary J.

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Storage after gamma irradiation affects in vivo oxygen delivery capacity of transfused red blood cells in preterm infants by Saito‐Benz, Maria, Murphy, William G., Tzeng, Yu‐Chieh, Atkinson, Greg, Berry, Mary J.

“…BACKGROUND Gamma irradiation of red blood cells (RBCs) is well recognized to exacerbate storage lesion formation, but the effect of storage after irradiation…”
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Agreement between finger plethysmography‐ and brachial oscillometry‐derived blood pressure measurements by Allan, Philip D., O'Donnell, Terrence, Tzeng, Yu‐Chieh

“…Summary Purpose Blood pressure (BP) is commonly assessed by brachial oscillometry in clinical practice, whereas in physiological studies, finger…”
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Dietary nitrate supplementation enhances cerebrovascular CO2 reactivity in a sex-specific manner by Fan, Jui-Lin, O'Donnell, Terrence, Gray, Clint Lee, Croft, Kevin, Noakes, Annabel Kate, Koch, Henrietta, Tzeng, Yu-Chieh

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Relationship between blood pressure and cerebral blood flow during supine cycling: influence of aging by Smirl, Jonathan D, Hoffman, Keegan, Tzeng, Yu-Chieh, Hansen, Alex, Ainslie, Philip N

“…The cerebral pressure-flow relationship can be quantified as a high-pass filter, where slow oscillations are buffered (<0.20 Hz) and faster oscillations are…”
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Arterial pressure and cerebral blood flow variability: friend or foe? A review by Rickards, Caroline A, Tzeng, Yu-Chieh

“…Variability in arterial pressure and cerebral blood flow has traditionally been interpreted as a marker of cardiovascular decompensation, and has been…”
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Compromised Cerebrovascular Regulation and Cerebral Oxygenation in Pulmonary Arterial Hypertension by Malenfant, Simon, Brassard, Patrice, Paquette, Myriam, Le Blanc, Olivier, Chouinard, Audrey, Nadeau, Valérie, Allan, Philip D., Tzeng, Yu‐Chieh, Simard, Sébastien, Bonnet, Sébastien, Provencher, Steeve

“…Background Functional cerebrovascular regulatory mechanisms are important for maintaining constant cerebral blood flow and oxygen supply in heathy individuals…”
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Cerebrovascular Regulation During Transient Hypotension and Hypertension in Humans by Tzeng, Yu-Chieh, Willie, Chris K, Atkinson, Greg, Lucas, Samuel J.E, Wong, Aaron, Ainslie, Philip N

“…The cerebrovasculature dilates or constricts in response to acute blood pressure changes to stabilize cerebral blood flow across a range of blood pressures. It…”
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Influence of baroreflex-mediated tachycardia on the regulation of dynamic cerebral perfusion during acute hypotension in humans by Ogoh, Shigehiko, Tzeng, Yu‐Chieh, Lucas, Samuel J.E., Galvin, Sean D., Ainslie, Philip N.

“…The effect of acute arterial baroreflex dysfunction on cerebral autoregulation (CA) in otherwise healthy humans is unknown. We identified dynamic CA with and…”
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Relationship Between Cerebral Blood Flow and Blood Pressure in Long-Term Heart Transplant Recipients by Smirl, Jonathan D, Haykowsky, Mark J, Nelson, Michael D, Tzeng, Yu-Chieh, Marsden, Katelyn R, Jones, Helen, Ainslie, Philip N

“…Heart transplant recipients are at an increased risk for cerebral hemorrhage and ischemic stroke; yet, the exact mechanism for this derangement remains…”
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Fundamental relationships between arterial baroreflex sensitivity and dynamic cerebral autoregulation in humans by TZENG, Yu-Chieh, LUCAS, Samuel J. E, ATKINSON, Greg, WILLIE, Chris K, AINSLIE, Philip N

“…The functional relationship between dynamic cerebral autoregulation (CA) and arterial baroreflex sensitivity (BRS) in humans is unknown. Given that adequate…”
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Non-Linear Characterisation of Cerebral Pressure-Flow Dynamics in Humans by Saleem, Saqib, Teal, Paul D, Kleijn, W Bastiaan, O'Donnell, Terrence, Witter, Trevor, Tzeng, Yu-Chieh

“…Cerebral metabolism is critically dependent on the regulation of cerebral blood flow (CBF), so it would be expected that vascular mechanisms that play a…”
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Inter-individual Relationships between Sympathetic Arterial Baroreflex Function and Cerebral Perfusion Control in Healthy Males by Witter, Trevor, Tzeng, Yu-Chieh, O'Donnell, Terry, Kusel, Jessica, Walker, Bridget, Berry, Mary, Taylor, Chloe E

“…Maintenance of adequate cerebral perfusion during normal physiological challenges requires integration between cerebral blood flow (CBF) and systemic blood…”
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The influence of tobacco smoking on the relationship between pressure and flow in the middle cerebral artery in humans by Peebles, Karen C, Horsman, Helen, Tzeng, Yu-Chieh

“…Cigarette smoking is associated with an increased risk of stroke but the mechanism is unclear. The study examined whether acute and chronic cigarette smoking…”
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