Natural menopause and risk of stroke in elderly women

Seong Hye Choi, Seung Mi Lee, Yooni Kim, Nam Kyong Choi, Jin Cho Yong, Byung Joo Park

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Although early natural menopause has been postulated to increase stroke risk, studies have not produced convincing results. We examined the associations between stroke risks and age at natural menopause or time since natural menopause. 5,731 naturally postmenopausal women more than 65 yr of age were followed from 1993 to 1998. Information on age at menopause and risk factors were obtained using mailed questionnaires. 186 cases of stroke occurred over a total 27,936 person-years. After adjusting for age, hypertension, and physical activity, age at menopause was not found to be significantly associated with stroke or cerebral infarction. However, adjusted relative risks (aRRs) showed a significant increasing tendency of hemorrhagic stroke versus age at menopause (aRRs, 0.66, 0.48, 1.00 and 2.33 for the following age groups at menopause; 40-44, 45-49, 50-54 [reference group], and ≥55 yr). Time since menopause (11-20, 21-30, and ≥31 yr) was not found to be significantly associated with cerebral infarction, or hemorrhagic stroke. Late menopause (menopause age ≥55 yr) showed a tendency of a lower risk of cerebral infarction (aRR, 0.79) and a higher risk of hemorrhagic stroke (aRR, 2.33). Further study is warranted to determine stroke risk in women during the decade following menopause.

Original languageEnglish
Pages (from-to)1053-1058
Number of pages6
JournalJournal of Korean Medical Science
Volume20
Issue number6
DOIs
StatePublished - Dec 2005

Keywords

  • Aged
  • Cerebrovascular Accident
  • Cohort Studies
  • Menopause
  • Stroke
  • Women

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