Baroreflex sensitivity
Influence of a multideficient diet from northeastern Brazil on resting blood pressure and baroreflex sensitivity in conscious, freely moving rats
... on baroreflex respon- siveness had not been tested before this study, the effects of long-term calorie restriction on this reflex have been ...enhanced baroreflex responsiveness to SNP-induced hypotension, ...
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Resting spontaneous baroreflex sensitivity and cardiac autonomic control in anabolic androgenic steroid users
... spontaneous baroreflex sensitivity, baroreflex sensitivity to activation of the baroreceptors, and baroreflex sensitivity to deactivation of the baroreceptors were significantly ...
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Comparison of three methods for the determination of baroreflex sensitivity in conscious rats
... Baroreflex sensitivity was studied in the same group of conscious rats using vasoactive drugs (phenylephrine and sodium nitroprusside) administered by three different approaches: 1) bolus injection, 2) ...
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Time-dependent effects of training on cardiovascular control in spontaneously hypertensive rats: role for brain oxidative stress and inflammation and baroreflex sensitivity.
... and baroreflex sensitivity were measured in trained (T, low-intensity treadmill training) and sedentary (S) SHR at weeks 0, 1, 2, 4 and ...decreased baroreflex sensitivity and heart rate ...
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Determination of baroreflex sensitivity during the modified Oxford maneuver by trigonometric regressive spectral analysis.
... The baroreflex circuit is crucial for maintenance of cardiovas- cular ...consequence baroreflex dysfunction has been associated with a worse outcome in diabetes mellitus [1] and after myocardial infarction ...
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Effect of aging on carotid artery stiffness and baroreflex sensitivity during head-out water immersion in man
... reflex sensitivity (SBRS), carotid arterial compliance (CC), and R-R interval coefficient of variation (RRICV) during basal and thermoneu- tral resting head-out-of-water immersion (HOWI) in 7 young (YG = ...
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Papel dos pressorreceptores nas alterações cardiorrespiratórias induzidas pelo infarto do miocárdio
... drug. Baroreflex sensitivity (BRS) was evaluated by a mean index through a relationship between changes in HR and in MAP, allowing separate analysis of bradycardia and tachycardia ...
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Baroreflex function in conscious rats submitted to iron overload
... µg/kg). Baroreflex curves were determined and fitted to sigmoidal equations and the baroreflex gain coefficient was ...the baroreflex was re- ...the baroreflex curve response, while the TIO ...
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Pleiotropic effects of simvastatin in physically trained ovariectomized rats
... This study tested the hypothesis that simvastatin treatment can improve cardiovascular and autonomic functions and membrane lipoperoxidation, with an increased effect when applied to physically trained ovariectomized ...
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Baroreflex control of sympathetic activity in experimental hypertension
... that baroreflex impairment may be secondary to hypertension in humans and experimental animals ...(22). Baroreflex sensitivity may be changed by various neurohumoral factors such as angiotensin II ...
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Heart rate variability in normal and pathological sleep
... BRS, baroreflex sensitivity; CAP, cyclic alternating pattern; CCE, corrected conditional entropy; CE, conditional entropy; CPAP, continu- ous positive airway pressure; EEG, electroencephalogram; HF, high ...
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Rev Bras Med Esporte vol.17 número6 en v17n6a13
... 36. La Rovere MT, Pinna GD, Maestri R, Robbi E, Caporotondi A, Guazzotti G, et al. Prognostic implications of baroreflex sensitivity in heart failure patients in the beta-blocking era. J Am Coll Cardiol ...
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REPOSITORIO INSTITUCIONAL DA UFOP: Evidence for a role of AT 2 receptors at the CVLM in the cardiovascular changes induced by low-intensity physical activity in renovascular hypertensive rats.
... 1–2 min apart into a femoral vein in 0.1 mL of isotonic sodium chloride. Blood pressure and heart rate were allowed to return to basal levels before the next dose was given. Peak changes in HR occurring during the ...
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Baroreflex function in conscious rats submitted to iron overload
... µg/kg). Baroreflex curves were determined and fitted to sigmoidal equations and the baroreflex gain coefficient was ...the baroreflex was re- ...the baroreflex curve response, while the TIO ...
10
Effects of losartan combined with exercise training in spontaneously hypertensive rats
... the baroreflex sensitivity for bradycardia, since Moreira et ...improves baroreflex sensitivity, as previously demonstrated in SHR and coarcted hypertensive rats ...
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Physical exercise performance in temperate and warm environments is decreased by an impaired arterial baroreflex.
... The data are expressed as the means ± SEM. The baroreflex sensitivity was compared between experimental groups (SAD vs. SHAM) using unpaired Student’s t-tests. The parameters associated with the blood ...
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High-pass filter characteristics of the baroreflex--a comparison of frequency domain and pharmacological methods.
... assess baroreflex sensitivity evoke supra-physiological blood pressure changes whereas computational methods use spontaneous fluctuations of blood ...different baroreflex assessment methods are still ...
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Baroreflex and chemoreflex dysfunction in streptozotocin-diabetic rats
... chemoreflex sensitivity in diabetic rats may be related to the reduction of cardiac-vagal ...of baroreflex sensitivity may be related to a decrease in peripheral sympa- thetic activity ...the ...
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A semi-automatic computerized method to measure baroreflex-mediated heart rate responses that reduces interobserver variability
... included in the baroreflex index formula. Five of the seven users (USER1 to USER5) calculated mean values from six BP and HR events, one used single values (USER7), and another one used four events (USER6). To ...
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Reflex control of arterial pressure and heart rate in short-term streptozotocin diabetic rats
... Most of the reports showing an impair- ment of baroreflex sensitivity have attrib- uted it to autonomic neuropathy, while the afferent arm of the baroreflex, i.e., the arteri- al (carotid and aortic) ...
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