Journal
MENOPAUSE-THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY
Volume 26, Issue 1, Pages 45-65Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/GME.0000000000001171
Keywords
Cognitive decline/cognitive aging; Early menopause; Menopause; Menopausal transition; Premature ovarian failure; Surgical menopause
Categories
Funding
- Canadian Cancer Society [310336]
- CIHR [FRN 130490]
- Canadian Consortium on Neurodegeneration and Aging
- Enid Walker Graduate Student Award in Women's Health Research, Women's College Hospital
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Objective: Recent evidence suggests that early or induced menopause increases the risk for cognitive impairment and dementia. Given the potential for different cognitive outcomes due to menopause types, it is important that present research on menopause and cognition distinguishes between types. The aim of this project was to determine to what extent research looking at cognition in postmenopausal women published in one year, 2016, accounted for menopausal type. Methods: We searched MEDLINE, EMBASE, and PsychINFO using keywords and MeSH terms for menopause and cognition. We included any research paper reporting a cognitive outcome measure in a menopausal human population. Differentiation between the types of menopause was defined by four categories: undifferentiated, demographic differentiation (menopause type reported but not analyzed), partial differentiation (some but not all types analyzed), and full differentiation (menopause types factored into analysis, or recruitment of only one type). Results: Fifty research articles were found and analyzed. Differentiation was distributed as follows: undifferentiated, 38% (19 articles); demographic differentiation, 16% (8); partial differentiation, 28% (14); and full differentiation, 18% (9). Conclusions: This review revealed that although some clinical studies differentiated between the many menopauses, most did not. This may limit their relevance to clinical practice. We found that when menopause types are distinguished, the differing cognitive outcomes of each type are clarified, yielding the strongest evidence, which in turn will be able to inform best clinical practice for treating all women.
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