Carolyn J Gibson1,2, Rebecca C Thurston3, Karen A Matthews3. 1. San Francisco VA Medical Center, San Francisco, CA, USA. Carolyn.Gibson2@va.gov. 2. University of California San Francisco, School of Medicine, San Francisco, CA, USA. Carolyn.Gibson2@va.gov. 3. Departments of Psychology, Psychiatry and Epidemiology, University of Pittsburgh, Pittsburgh, PA, USA.
Abstract
OBJECTIVE: Hot flashes are reported by 70-80% of women during the menopause transition. It has been proposed that cortisol dysregulation is involved in hot flashes, but the relationship between cortisol and hot flashes has received little empirical attention. This study examined the relationship between cortisol and daily self-reported hot flashes. DESIGN: For 7 days, participants used electronic diaries to report their hot flash frequency, severity and bothersomeness, along with mood and health behaviours, multiple times each day. Participants also provided hair samples for cortisol assays at baseline and morning and bedtime saliva samples for salivary cortisol collection over 3 days during the observation period. Hierarchical linear regression was used to examine the relationships between cortisol and hot flashes. PARTICIPANTS: Forty-four women (41% African American, 39% non-Hispanic White) who reported daily hot flashes were enrolled. MEASUREMENTS: Salivary cortisol, hair cortisol and the frequency, severity and bothersomeness of daily diary-reported hot flashes were measured in this study. RESULTS: Controlling for health and demographic variables, higher hair cortisol was associated with a higher frequency of hot flashes (β = 0·05, P = 0·01). A flatter diurnal cortisol slope was associated with greater hot flash severity (β = 0·09, P = 0·03) and bother (β = 0·10, P = 0·01). Hair cortisol was no longer significant after adjusting for depression or disturbed sleep; all other associations persisted. CONCLUSION: Cortisol dysregulation was related to more frequent, severe and bothersome daily self-reported hot flashes. These findings support a potential role of the HPA axis in the aetiology and phenomenology of these common menopause symptoms.
OBJECTIVE:Hot flashes are reported by 70-80% of women during the menopause transition. It has been proposed that cortisol dysregulation is involved in hot flashes, but the relationship between cortisol and hot flashes has received little empirical attention. This study examined the relationship between cortisol and daily self-reported hot flashes. DESIGN: For 7 days, participants used electronic diaries to report their hot flash frequency, severity and bothersomeness, along with mood and health behaviours, multiple times each day. Participants also provided hair samples for cortisol assays at baseline and morning and bedtime saliva samples for salivary cortisol collection over 3 days during the observation period. Hierarchical linear regression was used to examine the relationships between cortisol and hot flashes. PARTICIPANTS: Forty-four women (41% African American, 39% non-Hispanic White) who reported daily hot flashes were enrolled. MEASUREMENTS: Salivary cortisol, hair cortisol and the frequency, severity and bothersomeness of daily diary-reported hot flashes were measured in this study. RESULTS: Controlling for health and demographic variables, higher hair cortisol was associated with a higher frequency of hot flashes (β = 0·05, P = 0·01). A flatter diurnal cortisol slope was associated with greater hot flash severity (β = 0·09, P = 0·03) and bother (β = 0·10, P = 0·01). Hair cortisol was no longer significant after adjusting for depression or disturbed sleep; all other associations persisted. CONCLUSION: Cortisol dysregulation was related to more frequent, severe and bothersome daily self-reported hot flashes. These findings support a potential role of the HPA axis in the aetiology and phenomenology of these common menopause symptoms.
Authors: Kathleen M Gavin; Karen L Shea; Ellie Gibbons; Pamela Wolfe; Robert S Schwartz; Margaret E Wierman; Wendy M Kohrt Journal: Am J Physiol Endocrinol Metab Date: 2018-04-06 Impact factor: 4.310
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