Results 1 to 10 of about 15,070 (120)
Physiological Reports, 2022 It remains undetermined whether the cardiac component of the entire arterial baroreflex is blunted even at the onset of low‐intensity exercise. We sought to examine the moment‐to‐moment sensitivity of the cardiac baroreflex during walking at different ...
Kei Ishii +4 more
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Experimental Physiology, 2023 It remains unclear whether cardiac baroreflex function is preserved or suppressed at the onset of standing up. To answer the question and, if cardiac baroreflex is suppressed, to investigate the mechanism responsible for the suppression, we compared the ...
Kei Ishii +4 more
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Cardiovagal Baroreflex Hysteresis Using Ellipses in Response to Postural Changes
Frontiers in Neuroscience, 2021 The cardiovagal branch of the baroreflex is of high clinical relevance when detecting disturbances of the autonomic nervous system. The hysteresis of the baroreflex is assessed using provoked and spontaneous changes in blood pressure.
Babak Dabiri +2 more
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Impact of lipopolysaccharide-induced acute inflammation on baroreflex-controlled sympathetic arterial pressure regulation. [PDF]
PLoS ONE, 2018 Lipopolysaccharide (LPS) induces acute inflammation, activates sympathetic nerve activity (SNA) and alters hemodynamics. Since the arterial baroreflex is a negative feedback system to stabilize arterial pressure (AP), examining the arterial baroreflex ...
Takeshi Tohyama +9 more
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Heart rate response to blood pressure variations: sympathetic activation versus baroreflex response in patients with end-stage renal disease. [PDF]
PLoS ONE, 2013 BACKGROUND:Continuous systolic blood pressure (SBP) and interbeat intervals (IBI) recordings reveal sequences of consecutive beats in which SBP and heart rate change in opposite direction, representing negative feedback baroreflex mechanisms, as well as ...
Dan Sapoznikov +2 more
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Baroreflex sensitivity differs among same strain Wistar rats from the same laboratory
Heart International, 2011 Previous studies evidenced that a portion of normotensive Sprague–Dawley rats spontaneously exhibit lower baroreflex sensitivity, however, it was no yet investigated in Wistar rats.
Celso Ferreira +4 more
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Strain differences in baroceptor reflex in adult Wistar Kyoto rats
Clinics, 2010 OBJECTIVES: A subset of normotensive Sprague-Dawley rats show lower baroreflex sensitivity; however, no previous study investigated whether there are differences in baroreflex sensitivity within this subset.
Vitor E. Valenti +4 more
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INFLUENCE OF AGE AND HYPERTENSION ON ARTERIAL BARORECEPTOR REFLEX ACTIVITY IN MALE RABBITS [PDF]
Assiut Veterinary Medical Journal, 2008 This study aims to evaluate the respective changes in arterial baroreflex function (changes in heart rate and respiratory rate in response to induced increase in blood pressure) in adult, middle aged and old male rabbits, as well as to assess the effect ...
EMTETHAL M. MOUSTAFA +2 more
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High-pass filter characteristics of the baroreflex--a comparison of frequency domain and pharmacological methods. [PDF]
PLoS ONE, 2013 Pharmacological methods to assess baroreflex sensitivity evoke supra-physiological blood pressure changes whereas computational methods use spontaneous fluctuations of blood pressure.
Istvan Bonyhay +2 more
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Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2016 BackgroundSympathetic and parasympathetic influences on heart rate (HR), which are governed by baroreflex mechanisms, are integrated at the cardiac sinus node through hyperpolarization‐activated cyclic nucleotide–gated channels (HCN4).
Karsten Heusser +11 more
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