Premature menopause or early menopause and risk of ischemic stroke.
Premature menopause or early menopause and risk of ischemic stroke.
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DOI：
10.1097/gme.0b013e31822a9937
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发表时间：
2012-03
期刊：
影响因子：
--
通讯作者：
Brown RD Jr
中科院分区：
文献类型：
--
作者：
Rocca WA;Grossardt BR;Miller VM;Shuster LT;Brown RD Jr
The general consensus has been that estrogen is invariably a risk factor for ischemic stroke (IS). We reviewed new observational studies that challenge this simple conclusion. This was a review of observational studies of the association of premature or early menopause with stroke or IS published in English from 2006 through 2010. Three cohort studies showed an increased risk of all stroke in women who underwent bilateral oophorectomy compared with women who conserved their ovaries before age 50 years. The increased risk of stroke was reduced by hormonal therapy (HT) in one of the studies, suggesting that estrogen deprivation is involved in the association. Four additional observational studies showed an association of all stroke or IS with the early onset of menopause or with a shorter lifespan of ovarian activity. In three of the seven studies, the association was restricted to IS. Age at menopause was more important than type of menopause (natural vs induced). The findings from seven recent observational studies challenge the consensus that estrogen is invariably a risk factor for IS and can be reconciled by a unifying timing hypothesis. We hypothesize that estrogen is protective for IS before age 50 years and may become a risk factor for IS after age 50 years or, possibly, after age 60 years. These findings are relevant to women who experienced premature or early menopause, or to women considering prophylactic bilateral oophorectomy before the onset of natural menopause.
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影响因子：
4.7
作者：
Cui R;Iso H;Toyoshima H;Date C;Yamamoto A;Kikuchi S;Kondo T;Watanabe Y;Koizumi A;Inaba Y;Tamakoshi A;JACC Study Group
通讯作者：
JACC Study Group
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通讯作者：
Koroshetz, WJ
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作者：
Chambliss, Ken L.;Wu, Qian;Shaul, Philip W.
通讯作者：
Shaul, Philip W.
影响因子：
--
作者：
Lee, Jennifer S.;Yaffe, Kristine;Lui, Li-Yung;Cauley, Jane;Taylor, Brent;Browner, Warren;Cummings, Steven
通讯作者：
Cummings, Steven
DOI：
10.1097/gme.0b013e3181c7dd41
发表时间：
2010-05-01
影响因子：
2.7
作者：
Baba, Yosuke;Ishikawa, Shizukiyo;Kajii, Eiji
通讯作者：
Kajii, Eiji