نتایج جستجو برای: baroreflex sensitivity

تعداد نتایج: 337525  

2010
Andrea P. Dutoit Emma C. Hart Nisha Charkoudian B. Gunnar Wallin Timothy B. Curry Michael J. Joyner

The purpose of this study was to evaluate the relationship between the cardiac and sympathetic baroreflex sensitivities within healthy, young humans. The sensitivities of the cardiac and sympathetic baroreflexes were compared in 53 normotensive individuals (28 men and 25 women; age: 24.0 0.9 years; body mass index: 24.0 0.3 cm/kg, mean SEM). Heart rate, arterial blood pressure, and peroneal mus...

Journal: :Hypertension 2010
Andrea P Dutoit Emma C Hart Nisha Charkoudian B Gunnar Wallin Timothy B Curry Michael J Joyner

The purpose of this study was to evaluate the relationship between the cardiac and sympathetic baroreflex sensitivities within healthy, young humans. The sensitivities of the cardiac and sympathetic baroreflexes were compared in 53 normotensive individuals (28 men and 25 women; age: 24.0 ± 0.9 years; body mass index: 24.0 ± 0.3 cm/kg², mean ± SEM). Heart rate, arterial blood pressure, and peron...

2016
Clênia de Oliveira Cavalcanti Rafael R. Alves Alessandro L. de Oliveira Josiane de Campos Cruz Maria do Socorro de França-Silva Valdir de Andrade Braga Camille de Moura Balarini

Renal artery stenosis is frequently associated with resistant hypertension, which is defined as failure to normalize blood pressure (BP) even when combined drugs are used. Inhibition of PDE5 by sildenafil has been shown to increase endothelial function and decrease blood pressure in experimental models. However, no available study evaluated the baroreflex sensitivity nor autonomic balance in re...

Journal: :Critical care medicine 2005
Hendrik Schmidt Ursula Müller-Werdan Thomas Hoffmann Darrel P Francis Massimo F Piepoli Mathias Rauchhaus Roland Prondzinsky Harald Loppnow Michael Buerke Dirk Hoyer Karl Werdan

OBJECTIVE Multiple organ dysfunction syndrome (MODS) is the sequential failure of several organ systems after a trigger event, like sepsis or cardiogenic shock. Mortality rate is high, up to 70%. Autonomic dysfunction may substantially contribute to the development of MODS. Our study aimed to characterize a) the spectrum of autonomic dysfunction of critically ill MODS patients; b) whether auton...

Journal: :Physiological reports 2015
Chloe E Taylor Trevor Witter Khadigeh El Sayed Sarah L Hissen Aaron W Johnson Vaughan G Macefield

Low baroreflex sensitivity (BRS) is associated with elevated cardiovascular risk. However, the evidence is based primarily on measurements of cardiac BRS. It cannot be assumed that cardiac or sympathetic BRS alone represent a true reflection of baroreflex control of blood pressure. The aim of this study was to examine the relationship between spontaneous sympathetic and cardiac BRS in healthy, ...

Journal: :Hypertension 2010
Karsten Heusser Jens Tank Stefan Engeli André Diedrich Jan Menne Siegfried Eckert Tim Peters Fred C G J Sweep Hermann Haller Andreas M Pichlmaier Friedrich C Luft Jens Jordan

In animals, electric field stimulation of carotid baroreceptors elicits a depressor response through sympathetic inhibition. We tested the hypothesis that the stimulation acutely reduces sympathetic vasomotor tone and blood pressure in patients with drug treatment-resistant arterial hypertension. Furthermore, we tested whether the stimulation impairs the physiological baroreflex regulation. We ...

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