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Related Experiment Videos

Physiological aspects of menopausal hot flush.

D W Sturdee, K A Wilson, E Pipili

    British Medical Journal
    |July 8, 1978
    PubMed
    Summary

    Menopausal hot flushes involve skin temperature changes, increased heart rate, and decreased skin resistance, suggesting a sympathetic nervous system response. This research may inform new treatments beyond oestrogen therapy.

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    Area of Science:

    • Physiology
    • Endocrinology
    • Women's Health

    Background:

    • Menopausal hot flushes are a common symptom affecting many women.
    • Current treatments, like oestrogen therapy, have limitations and side effects.
    • Understanding the physiological mechanisms of hot flushes is crucial for developing alternatives.

    Purpose of the Study:

    • To investigate the physiological changes associated with menopausal hot flushes.
    • To compare the physiological responses during hot flushes in menopausal women with those induced by warming in premenopausal women.
    • To explore the potential role of the sympathetic nervous system in hot flush onset.

    Main Methods:

    • Studied 18 hot flushes in eight menopausal women.
    • Compared these with warming effects in six premenopausal women.
    • Monitored skin temperature, peripheral vasodilatation, heart rate, electrocardiographic (ECG) baseline, and skin resistance.

    Main Results:

    • Hot flushes were linked to acute skin temperature rise, peripheral vasodilatation, increased heart rate, ECG baseline fluctuations, and decreased skin resistance.
    • Premenopausal women showed greater skin temperature increases and vasodilatation but less skin resistance decrease and no heart rate/ECG changes.
    • Menopausal hot flushes indicate a significant physiological event.

    Conclusions:

    • The findings suggest hot flushes are associated with a sudden, transient increase in sympathetic nervous system activity.
    • These physiological insights could guide the development of novel, non-oestrogen treatments for menopausal hot flushes.
    • Further research is warranted to explore these mechanisms and therapeutic possibilities.

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