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01.09.2016 | Original Article | Ausgabe 9/2016

International Urogynecology Journal 9/2016

Basal and stress-activated hypothalamic pituitary adrenal axis function in postmenopausal women with overactive bladder

Zeitschrift:
International Urogynecology Journal > Ausgabe 9/2016
Autoren:
Ariana L. Smith, Liisa Hantsoo, Anna P. Malykhina, Daniel W. File, Rita Valentino, Alan J. Wein, Mary D. Sammel, C. Neill Epperson
Wichtige Hinweise
This work has been presented at Society of Urodynamics, Female Pelvic Medicine & Urogenital Reconstruction (SUFU) American Urologic Association (AUA).

Abstract

Introduction and hypothesis

The aim of this study was to measure physiologic and psychologic stress reactivity in women with overactive bladder (OAB). There is growing evidence in preclinical models that central nervous system dysregulation, particularly in response to psychological stress, may contribute to lower urinary tract symptoms in women with OAB.

Methods

Postmenopausal women with OAB and healthy controls underwent Structured Clinical Interview for DSM-IV Axis I disorders (SCID) to identify those without identifiable psychiatric disease. Eligible participants underwent physiologic measures including basal (cortisol-awakening response; CAR) and stress-activated salivary cortisol levels, heart rate (HR), urinary metanephrines and neurotrophins, as well as validated symptom assessment for stress, anxiety, depression, and bladder dysfunction at baseline and during, and following an acute laboratory stressor, the Trier Social Stress Test (TSST).

Results

Baseline measures of cortisol reactivity measured by CAR showed blunted response among women with OAB (p = 0.015), while cortisol response to the TSST was greater in the OAB group (p = 0.019). Among OAB patients, bladder urgency as measured by visual analog scale (VAS) increased from pre- to post-TSST (p = 0.04). There was a main effect of TSST on HR (p < 0.001), but no group interaction.

Conclusions

Preliminary findings suggest that women with OAB have greater physiologic and psychologic stress reactivity than healthy controls. Importantly for women with OAB, acute stress appears to exacerbate bladder urgency. Evaluation of the markers of stress response may suggest targets for potential diagnostic and therapeutic interventions.

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