Why the study?
Does sympathetic and parasympathetic nervous control influence blood pressure and heart rate variability differently in spontaneously hypertensive rats compared to Wistar-Kyoto rats?
Population
Young spontaneously hypertensive rats (SHR) and Wistar-Kyoto rats (WKY)
Comparison
Beta-adrenoceptor or vagal blockade vs Baseline/unblocked state and comparison between…
Design
Preclinical
Authors
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Should not guide clinical autonomic modulation in hypertension; hypothesis-generating for vascular mechanisms of variability in animal models.
Does sympathetic and parasympathetic nervous control influence blood pressure and heart rate variability differently in spontaneously hypertensive rats compared to Wistar-Kyoto rats?
Spontaneously hypertensive rats exhibit higher blood pressure variability and lower heart rate variability compared to normotensive controls, likely due to structural vascular changes and reduced tonic vagal discharge.
Friberg et al. (1988) studied this question.
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