Search Results - "Jarvis, Sara S."

Relationship Between Sympathetic Baroreflex Sensitivity and Arterial Stiffness in Elderly Men and Women by Okada, Yoshiyuki, Galbreath, M Melyn, Shibata, Shigeki, Jarvis, Sara S, VanGundy, Tiffany B, Meier, Rhonda L, Vongpatanasin, Wanpen, Levine, Benjamin D, Fu, Qi

“…Previous human studies have shown that large-artery stiffness contributes to an age-related decrease in cardiovagal baroreflex sensitivity. Whether this is…”
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Sympathetic activation during early pregnancy in humans by Jarvis, Sara S., Shibata, Shigeki, Bivens, Tiffany B., Okada, Yoshiyuki, Casey, Brian M., Levine, Benjamin D., Fu, Qi

“…Key points •  Sympathetic activity has been reported to increase in normotensive pregnant women, and to be even greater in women with gestational hypertension…”
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Sex differences in the modulation of vasomotor sympathetic outflow during static handgrip exercise in healthy young humans by Jarvis, Sara S, VanGundy, Tiffany B, Galbreath, M Melyn, Shibata, Shigeki, Okazaki, Kazunobu, Reelick, Miriam F, Levine, Benjamin D, Fu, Qi

“…Sex differences in sympathetic neural control during static exercise in humans are few and the findings are inconsistent. We hypothesized women would have an…”
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Sympathetic Neural and Hemodynamic Responses During Cold Pressor Test in Elderly Blacks and Whites by Okada, Yoshiyuki, Jarvis, Sara S, Best, Stuart A, Edwards, Jeffrey G, Hendrix, Joseph M, Adams-Huet, Beverley, Vongpatanasin, Wanpen, Levine, Benjamin D, Fu, Qi

“…The sympathetic response during the cold pressor test (CPT) has been reported to be greater in young blacks than whites, especially in those with a family…”
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Asian women have attenuated sympathetic activation but enhanced renal–adrenal responses during pregnancy compared to Caucasian women by Okada, Yoshiyuki, Best, Stuart A., Jarvis, Sara S., Shibata, Shigeki, Parker, Rosemary S., Casey, Brian M., Levine, Benjamin D., Fu, Qi

“…Key points Asian women have a lower prevalence of hypertensive disorders of pregnancy than Caucasian women. This is the first longitudinal study to investigate…”
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Chronic renin inhibition lowers blood pressure and reduces upright muscle sympathetic nerve activity in hypertensive seniors by Okada, Yoshiyuki, Jarvis, Sara S., Best, Stuart A., Bivens, Tiffany B., Adams‐Huet, Beverley, Levine, Benjamin D., Fu, Qi

“…Key points •  Cardiovascular risk remains high in elderly patients with hypertension even with adequate blood pressure control; one possible mechanism may be…”
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Age and sex differences in muscle sympathetic nerve activity in relation to haemodynamics, blood volume and left ventricular size by Best, Stuart A., Okada, Yoshiyuki, Galbreath, M. Melyn, Jarvis, Sara S., Bivens, Tiffany B., Adams‐Huet, Beverley, Fu, Qi

“…New Findings What is the central question of this study? The study was designed to investigate the age‐ and sex‐related differences in muscle sympathetic nerve…”
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Neural-humoral responses during head-up tilt in healthy young white and black women by Jarvis, Sara S, Shibata, Shigeki, Okada, Yoshiyuki, Levine, Benjamin D, Fu, Qi

“…Young black women have higher prevalence of hypertension during pregnancy compared to white women, which may be attributable to differences in blood pressure…”
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Evidence for reduced sympatholysis in leg resistance vasculature of healthy older women by Parker, Beth A, Smithmyer, Sandra L, Jarvis, Sara S, Ridout, Samuel J, Pawelczyk, James A, Proctor, David N

“…Inhibition of a sympathetic stimulus (i.e., sympatholysis) during forearm exercise is reduced with age in women. This age-related alteration has not been…”
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Cell-free mitochondrial DNA increases in maternal circulation during healthy pregnancy: a prospective, longitudinal study by Cushen, Spencer C, Sprouse, Marc L, Blessing, Alexandra, Sun, Jie, Jarvis, Sara S, Okada, Yoshiyuki, Fu, Qi, Romero, Steven A, Phillips, Nicole R, Goulopoulou, Styliani

“…Mitochondrial DNA (mtDNA) exposed to the extracellular space due to cell death has immunostimulatory properties. Case-control studies reported a positive…”
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Differential regulation of sympathetic neural burst frequency and amplitude throughout normal pregnancy: a longitudinal study by D'Souza, Andrew W, Hissen, Sarah L, Okada, Yoshiyuki, Jarvis, Sara S, Washio, Takuro, Akins, John D, Nelson, David B, Fu, Qi

“…Sympathetic activation is a hallmark of pregnancy. However, longitudinal assessments of muscle sympathetic nerve activity (MSNA) in pregnancy are scarce and…”
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Role of Corin in Blood Pressure Regulation in Normotensive and Hypertensive Pregnancy: A Prospective Study by Badrov, Mark B, Park, Sun Young, Yoo, Jeung-Ki, Hieda, Michinari, Okada, Yoshiyuki, Jarvis, Sara S, Stickford, Abigail S, Best, Stuart A, Nelson, David B, Fu, Qi

“…Corin (an atrial natriuretic peptide–converting enzyme) represents a potential biomarker for gestational hypertensive disorders; yet, its role in blood…”
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Broader adaptive range of sympathetic burst size in response to blood pressure change in older women with greater arterial stiffness by Okada, Yoshiyuki, Galbreath, M. Melyn, Jarvis, Sara S., Shibata, Shigeki, Vongpatanasin, Wanpen, Levine, Benjamin D., Fu, Qi

“…Key points In this study, we focused on muscle sympathetic nerve activity (MSNA) burst size and occurrence separately as subcomponents of the sympathetic…”
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Morning blood pressure surge is associated with arterial stiffness and sympathetic baroreflex sensitivity in hypertensive seniors by Okada, Yoshiyuki, Galbreath, M Melyn, Shibata, Shigeki, Jarvis, Sara S, Bivens, Tiffany B, Vongpatanasin, Wanpen, Levine, Benjamin D, Fu, Qi

“…Morning blood pressure (BP) surge is considered to be an independent risk factor for cardiovascular diseases. We tested the hypothesis that increased…”
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Posture-related changes in sympathetic baroreflex sensitivity during normal pregnancy by Hissen, Sarah L., Takeda, Ryosuke, Yoo, Jeung-Ki, Badrov, Mark B., Stickford, Abigail S. L., Best, Stuart A., Okada, Yoshiyuki, Jarvis, Sara S., Nelson, David B., Fu, Qi

“…Normal pregnancy is associated with vast adjustments in cardiovascular autonomic control. Sympathetic baroreflex sensitivity has been reported to be attenuated…”
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Elderly Blacks Have a Blunted Sympathetic Neural Responsiveness But Greater Pressor Response to Orthostasis Than Elderly Whites by Okada, Yoshiyuki, Galbreath, M Melyn, Jarvis, Sara S, Bivens, Tiffany B, Vongpatanasin, Wanpen, Levine, Benjamin D, Fu, Qi

“…Neural control of blood pressure (BP) has been reported to differ between young blacks and whites. We hypothesized that elderly blacks have enhanced…”
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Central integration and neural control of blood pressure during the cold pressor test: a comparison between hydrochlorothiazide and aliskiren by Jarvis, Sara S., Okada, Yoshiyuki, Levine, Benjamin D., Fu, Qi

“…Individuals with hypertension and sympathetic overactivity are at risk for cardiovascular events. Renin inhibitors are new while thiazide diuretics are…”
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Response to Creatine Kinase and Pressor Response to Orthostatic Tolerance by Okada, Yoshiyuki, Galbreath, M Melyn, Jarvis, Sara S, Bivens, Tiffany B, Vongpatanasin, Wanpen, Levine, Benjamin D, Fu, Qi

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The location of the human volume indifferent point predicts orthostatic tolerance by Jarvis, Sara S., Pawelczyk, James A.

“…The volume indifferent point (VIP) is the point within the circulation where blood volume does not change with changes in posture. Because both volume and…”
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Identification of the human electrical impedance indifferent point: a surrogate for the volume indifferent point? by Jarvis, Sara S., Pawelczyk, James A.

“…Head-up tilt (HUT) redistributes ~700 mL of blood to the dependent regions. In a gravitational field, hydrostatic pressure is balanced against vascular…”
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