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Original Paper

Free Access

Increased Mortality for Neurological and Mental Diseases following Early Bilateral Oophorectomy

Rivera C.M.a · Grossardt B.R.b · Rhodes D.J.a · Rocca W.A.c, d

Author affiliations

Divisions of aPreventive and Occupational Medicine, Department of Internal Medicine, bBiomedical Statistics and Informatics and cEpidemiology, Department of Health Sciences Research, and dDepartment of Neurology, College of Medicine, Mayo Clinic, Rochester, Minn., USA

Corresponding Author

Dr. Walter A. Rocca

Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic

200 First Street SW

Rochester, MN 55905 (USA)

Tel. +1 507 284 3568; Fax +1 507 284 1516; E-Mail rocca@mayo.edu

Related Articles for ""

Neuroepidemiology 2009;33:32–40

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Abstract

Background: The effects of oophorectomy on brain aging remain uncertain. Methods: We conducted a cohort study with long-term follow-up of women in Olmsted County, Minn., USA, who underwent either unilateral or bilateral oophorectomy before the onset of menopause from 1950 through 1987. Each member of the oophorectomy cohort was matched by age to a referent woman from the same population who had not undergone any oophorectomy. We studied underlying and contributory causes of death in 1,274 women with unilateral oophorectomy, 1,091 women with bilateral oophorectomy, and 2,383 referent women. Results: Mortality for neurological or mental diseases was increased in women who underwent bilateral oophorectomy before age 45 years compared with referent women (hazard ratio = 5.24; 95% confidence interval = 2.02–13.6; p < 0.001). Within this age stratum, mortality was similar in women who were or were not treated with estrogen from the time of oophorectomy through age 45 years, and in women who had bilateral oophorectomy for prophylaxis or for treatment of a benign ovarian condition. Mortality was also increased in women who underwent unilateral oophorectomy before age 45 years without concurrent hysterectomy. Conclusions: Bilateral oophorectomy performed before age 45 years is associated with increased mortality for neurological or mental diseases.

© 2009 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: August 02, 2008
Accepted: February 01, 2009
Published online: April 08, 2009
Issue release date: May 2009

Number of Print Pages: 9
Number of Figures: 1
Number of Tables: 3

ISSN: 0251-5350 (Print)
eISSN: 1423-0208 (Online)

For additional information: http://www.karger.com/NED


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