Cohort profile: the Mayo Clinic Cohort Study of Oophorectomy and Aging-2 (MOA-2) in Olmsted County, Minnesota (USA)

Walter A Rocca, Liliana Gazzuola Rocca, Carin Y. Smith, Brandon R. Grossardt, Stephanie S. Faubion, Lynne T. Shuster, Elizabeth A Stewart, Michelle M Mielke, Kejal M Kantarci, Virginia M Miller

Research output: Contribution to journalArticle

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Abstract

PURPOSE: This cohort study was established to investigate the effects of unilateral and bilateral oophorectomy on the ageing processes in women.

PARTICIPANTS: We used the records-linkage system of the Rochester Epidemiology Project (REP, http://www.rochesterproject.org) to identify 570 women who underwent unilateral oophorectomy and 1653 women who underwent bilateral oophorectomy in Olmsted County, Minnesota from 1988 through 2007 (20 years). Each woman was matched by age (±1 year) to a population-based referent woman who had not undergone any oophorectomy (570 referent women) or bilateral oophorectomy (1653 referent women). These four cohorts are being followed to assess morbidity and mortality and to study imaging and biological markers related to ageing.

FINDINGS TO DATE: An extensive medical record abstraction using the REP has been completed for each woman to obtain demographic, reproductive and adult life characteristics and extensive clinical information about the surgical procedure and subsequent oestrogen replacement therapy (or other sex steroid therapy). The cohorts have been used to date to study the accumulation of multiple chronic conditions following bilateral oophorectomy in women with or without chronic conditions at the time of the oophorectomy (or index date). From the cohorts, we have also derived a sample of 128 pairs of women for a case-control study linking adverse childhood or adult experiences to the risk of bilateral oophorectomy.

FUTURE PLANS: We hypothesise that the abrupt hormonal changes caused by bilateral oophorectomy in younger women have a major effect on the ageing processes across the full body. Therefore, we plan to investigate the risk of a wide range of chronic conditions following bilateral oophorectomy. Specific studies are underway for kidney diseases, psychiatric diseases and neurological diseases. In addition, we plan to invite a subsample of women from the bilateral oophorectomy cohort to participate in an in-person study involving brain imaging and the collection of biomarkers.

Original languageEnglish (US)
Pages (from-to)e018861
JournalBMJ Open
Volume7
Issue number11
DOIs
StatePublished - Nov 20 2017

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Ovariectomy
Cohort Studies
Biomarkers
Estrogen Replacement Therapy
Kidney Diseases
Neuroimaging
Medical Records
Psychiatry
Case-Control Studies
Epidemiology
Steroids
Demography
Morbidity

Keywords

  • aging
  • bilateral oophorectomy
  • cohort study
  • morbidity
  • mortality
  • unilateral oophorectomy

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Cohort profile : the Mayo Clinic Cohort Study of Oophorectomy and Aging-2 (MOA-2) in Olmsted County, Minnesota (USA). / Rocca, Walter A; Gazzuola Rocca, Liliana; Smith, Carin Y.; Grossardt, Brandon R.; Faubion, Stephanie S.; Shuster, Lynne T.; Stewart, Elizabeth A; Mielke, Michelle M; Kantarci, Kejal M; Miller, Virginia M.

In: BMJ Open, Vol. 7, No. 11, 20.11.2017, p. e018861.

Research output: Contribution to journalArticle

Rocca, Walter A ; Gazzuola Rocca, Liliana ; Smith, Carin Y. ; Grossardt, Brandon R. ; Faubion, Stephanie S. ; Shuster, Lynne T. ; Stewart, Elizabeth A ; Mielke, Michelle M ; Kantarci, Kejal M ; Miller, Virginia M. / Cohort profile : the Mayo Clinic Cohort Study of Oophorectomy and Aging-2 (MOA-2) in Olmsted County, Minnesota (USA). In: BMJ Open. 2017 ; Vol. 7, No. 11. pp. e018861.
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