Why the study?
Is there a difference in muscle sympathetic activity between normotensive and hypertensive subjects?
Is there a difference in muscle sympathetic activity between normotensive and hypertensive subjects?
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Muscle sympathetic activity does not significantly differ between normotensive and hypertensive subjects, suggesting baroreflex mechanisms via MSA do not counteract slow blood pressure rises.
In summary there is no difference between MSA in normotensive and hypertensive subjects that is likely to be of pathogenetic importance. We may also conclude that when high blood pressure develops slowly (irrespective of the underlying reason) baroreflex mechanisms exerted via muscle sympathetic activity are not able to counteract the blood pressure rise.
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Gunnar Wallin (1981) studied this question.
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