摘要

The study was undertaken on 24 human female postmenopausal subjects above the age of 50 years,to test the hypothesis that estrogen exerts regulatory influence on the autonomic nervous system inpostmenopausal women. The parameters recorded and the test used were- pulse, blood pressure,orthostasis, cold pressor test, mental arithmetic and QTc interval for assessment of sympatheticactivity and valsalva ratio, heart rate response, expiratory-inspiratory ratio (E.I. Ratio), standinglyingratio (S.L. Ratio) and 30:15 ratio for assessment of parasympathetic activity. Our findings showthat the changes in sex hormone levels, after menopause may affect the autonomic system response,with increase in reactivity of both sympathetic and parasympathetic systems.

  • 出版日期2005

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