Menopausal hot flashes: mechanisms, endocrinology, treatment.
Level 5 - mechanism / opinion, no new human data
Narrative review of mechanisms and treatments without systematic methodology.
PubMed 24012626 · doi:10.1016/j.jsbmb.2013.08.010
What was done
This narrative review summarizes the physiological mechanisms, endocrinology, and management strategies for menopausal hot flashes based on existing literature.
What was found
The abstract reports no numerical data or statistical findings. It describes hot flashes as exaggerated heat dissipation responses (sweating, peripheral vasodilation, intense internal heat) triggered by small elevations in core body temperature acting within a narrowed thermoneutral zone. This narrowing is attributed partly to estrogen depletion and elevated central sympathetic activation mediated by alpha-2-adrenergic receptors. Interventions reducing sympathetic activation (such as clonidine and paced respiration) and peripheral cooling ameliorate hot flashes. Hot flashes contribute to some menopausal sleep disturbance, and the abstract notes recent work questioning the role of serotonin.
Why it matters
The paper synthesizes the thermoregulatory basis of hot flashes, providing a mechanistic rationale for non-hormonal treatments targeting sympathetic tone.
Limits
As a narrative review, it lacks systematic search methodology, quantitative effect sizes, and specific sample size details in the abstract.
Cited by
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