Why the study?
Does autonomic nervous function differ between dipper and non-dipper essential hypertensive patients during sleep?
Population
19 essential hypertensive subjects, including 10 dippers and 9 non-dippers.
Comparison
Non-dipper blood pressure pattern vs Dipper blood pressure pattern
Design
Cross-sectional
Authors
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Suggests autonomic differences during sleep in non-dippers; hypothesis-generating and leaves open causal or therapeutic implications.
Does autonomic nervous function differ between dipper and non-dipper essential hypertensive patients during sleep?
Non-dipper essential hypertensive patients exhibit altered autonomic nervous function during sleep, characterized by increased low-frequency pulse interval and mid-frequency blood pressure, which may explain the non-dipper phenomenon.
N Frisina (1996) studied this question.
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