R R Freedman1, S Woodward. 1. Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA.
Abstract
OBJECTIVE: To measure core body temperature by ingested radiotelemetry pill and rectal temperature during menopausal hot flushes under controlled laboratory conditions. DESIGN: Patients were recorded during sleep using both methods in a sound-proofed, temperature and humidity-controlled laboratory room. SETTING: University medical center. PATIENTS: Eight postmenopausal women who were amenorrheic for > or = 1 year and reported frequent hot flushes. RESULTS: Thirty-seven hot flushes were detected by criterion increases in sternal skin conductance level. Significant increases in telemetered but not rectal temperature occurred before 24 of the hot flushes. CONCLUSIONS: Core body temperature elevations precede a majority of menopausal hot flushes and serve as one trigger of this heat-loss phenomenon.
OBJECTIVE: To measure core body temperature by ingested radiotelemetry pill and rectal temperature during menopausal hot flushes under controlled laboratory conditions. DESIGN:Patients were recorded during sleep using both methods in a sound-proofed, temperature and humidity-controlled laboratory room. SETTING: University medical center. PATIENTS: Eight postmenopausal women who were amenorrheic for > or = 1 year and reported frequent hot flushes. RESULTS: Thirty-seven hot flushes were detected by criterion increases in sternal skin conductance level. Significant increases in telemetered but not rectal temperature occurred before 24 of the hot flushes. CONCLUSIONS: Core body temperature elevations precede a majority of menopausal hot flushes and serve as one trigger of this heat-loss phenomenon.
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