Key result
Spontaneously hypertensive rats had significantly higher sympathetic vasomotor activity and lower baroreflex sensitivity compared with normotensive rats during quiet and paradoxical sleep.
Population
Freely moving spontaneously hypertensive rats (SHR) and normotensive Wistar-Kyoto rats (WKY)
Comparison
Spontaneous hypertension (SHR model) vs Normotensive Wistar-Kyoto rats (WKY)
Design
Preclinical
Authors
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Caution against translating rat sleep findings to human hypertension care; leaves open whether sleep-specific autonomic changes drive outcomes.
Spontaneously hypertensive rats exhibit enhanced sympathetic vasomotor activity and attenuated baroreflex sensitivity during sleep, which is not evident during wakefulness.
Kuo et al. (2005) studied Spontaneous hypertension. Spontaneous hypertension vs. Normotensive Wistar-Kyoto rats was evaluated on Sympathetic vasomotor activity and spontaneous baroreflex sensitivity during sleep-wake states. Spontaneously hypertensive rats had significantly higher sympathetic vasomotor activity and lower baroreflex sensitivity compared with normotensive rats during quiet and paradoxical sleep.
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