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      Migraine in women: the role of hormones and their impact on vascular diseases

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          Abstract

          Migraine is a predominantly female disorder. Menarche, menstruation, pregnancy, and menopause, and also the use of hormonal contraceptives and hormone replacement treatment may influence migraine occurrence. Migraine usually starts after menarche, occurs more frequently in the days just before or during menstruation, and ameliorates during pregnancy and menopause. Those variations are mediated by fluctuation of estrogen levels through their influence on cellular excitability or cerebral vasculature. Moreover, administration of exogenous hormones may cause worsening of migraine as may expose migrainous women to an increased risk of vascular disease. In fact, migraine with aura represents a risk factor for stroke, cardiac disease, and vascular mortality. Studies have shown that administration of combined oral contraceptives to migraineurs may further increase the risk for ischemic stroke. Consequently, in women suffering from migraine with aura caution should be deserved when prescribing combined oral contraceptives.

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          The online version of this article (doi:10.1007/s10194-012-0424-y) contains supplementary material, which is available to authorized users.

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          Migraine and cardiovascular disease: systematic review and meta-analysis

          Objective To evaluate the association between migraine and cardiovascular disease, including stroke, myocardial infarction, and death due to cardiovascular disease. Design Systematic review and meta-analysis. Data sources Electronic databases (PubMed, Embase, Cochrane Library) and reference lists of included studies and reviews published until January 2009. Selection criteria Case-control and cohort studies investigating the association between any migraine or specific migraine subtypes and cardiovascular disease. Review methods Two investigators independently assessed eligibility of identified studies in a two step approach. Disagreements were resolved by consensus. Studies were grouped according to a priori categories on migraine and cardiovascular disease. Data extraction Two investigators extracted data. Pooled relative risks and 95% confidence intervals were calculated. Results Studies were heterogeneous for participant characteristics and definition of cardiovascular disease. Nine studies investigated the association between any migraine and ischaemic stroke (pooled relative risk 1.73, 95% confidence interval 1.31 to 2.29). Additional analyses indicated a significantly higher risk among people who had migraine with aura (2.16, 1.53 to 3.03) compared with people who had migraine without aura (1.23, 0.90 to 1.69; meta-regression for aura status P=0.02). Furthermore, results suggested a greater risk among women (2.08, 1.13 to 3.84) compared with men (1.37, 0.89 to 2.11). Age less than 45 years, smoking, and oral contraceptive use further increased the risk. Eight studies investigated the association between migraine and myocardial infarction (1.12, 0.95 to 1.32) and five between migraine and death due to cardiovascular disease (1.03, 0.79 to 1.34). Only one study investigated the association between women who had migraine with aura and myocardial infarction and death due to cardiovascular disease, showing a twofold increased risk. Conclusion Migraine is associated with a twofold increased risk of ischaemic stroke, which is only apparent among people who have migraine with aura. Our results also suggest a higher risk among women and risk was further magnified for people with migraine who were aged less than 45, smokers, and women who used oral contraceptives. We did not find an overall association between any migraine and myocardial infarction or death due to cardiovascular disease. Too few studies are available to reliably evaluate the impact of modifying factors, such as migraine aura, on these associations.
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            The variability of female reproductive ageing.

            The delay in childbearing is an important societal change contributing to an increasing incidence of subfertility. The prevailing concept of female reproductive ageing assumes that the decline of both quantity and quality of the oocyte/follicle pool determines an age-dependent loss of female fertility. There is an apparent discrepancy between the ability to maintain a regular ovulatory cycle pattern and the several years earlier cessation of female fertility. This latter is largely explained by an age-related increase of meiotic non-disjunction leading to chromosomal aneuploidy and early pregnancy loss, such that most embryos from women > or =40 years old are chromosomally abnormal and rarely develop further. The final stage of reproductive ageing-the occurrence of menopause-shows a huge variation between women. Age at last birth in natural fertility populations, which marks the end of female fertility, shows an identically wide variation as age at menopause, but occurs on average 10 years earlier. Given the high heritability for age at menopause, the variation in both age of menopause and last birth are probably under genetic control by the same set of genes. Some of those genes must carry heritable variants which modulate the rate of ovarian ageing and give rise to the wide age variations for the various phases of reproductive ageing.
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              Migraine and risk of cardiovascular disease in women.

              Migraine with aura has been associated with an adverse cardiovascular risk profile and prothrombotic factors that, along with migraine-specific physiology, may increase the risk of vascular events. Although migraine with aura has been associated with increased risk of ischemic stroke, an association with cardiovascular disease (CVD) and, specifically, coronary events remains unclear. To evaluate the association between migraine with and without aura and subsequent risk of overall and specific CVD. Prospective cohort study of 27,840 US women aged 45 years or older who were participating in the Women's Health Study, were free of CVD and angina at study entry (1992-1995), and who had information on self-reported migraine and aura status, and lipid measurements. This report is based on follow-up data through March 31, 2004. The primary outcome measure was the combined end point of major CVD (first instance of nonfatal ischemic stroke, nonfatal myocardial infarction, or death due to ischemic CVD); other measures were first ischemic stroke, myocardial infarction, coronary revascularization, angina, and death due to ischemic CVD. At baseline, 5125 women (18.4%) reported any history of migraine; of the 3610 with active migraine (migraine in the prior year), 1434 (39.7%) indicated aura symptoms. During a mean of 10 years of follow-up, 580 major CVD events occurred. Compared with women with no migraine history, women who reported active migraine with aura had multivariable-adjusted hazard ratios of 2.15 (95% confidence interval [CI], 1.58-2.92; P<.001) for major CVD, 1.91 (95% CI, 1.17-3.10; P = .01) for ischemic stroke, 2.08 (95% CI, 1.30-3.31; P = .002) for myocardial infarction, 1.74 (95% CI, 1.23-2.46; P = .002) for coronary revascularization, 1.71 (95% CI, 1.16-2.53; P = .007) for angina, and 2.33 (95% CI, 1.21-4.51; P = .01) for ischemic CVD death. After adjusting for age, there were 18 additional major CVD events attributable to migraine with aura per 10 000 women per year. Women who reported active migraine without aura did not have increased risk of any vascular events or angina. In this large, prospective cohort of women, active migraine with aura was associated with increased risk of major CVD, myocardial infarction, ischemic stroke, and death due to ischemic CVD, as well as with coronary revascularization and angina. Active migraine without aura was not associated with increased risk of any CVD event.
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                Author and article information

                Contributors
                +39-0862-368542 , +39-0862-368542 , simona.sacco@cc.univaq.it , simona.sacco@yahoo.com
                Journal
                J Headache Pain
                J Headache Pain
                The Journal of Headache and Pain
                Springer Milan (Milan )
                1129-2369
                1129-2377
                26 February 2012
                26 February 2012
                April 2012
                : 13
                : 3
                : 177-189
                Affiliations
                Department of Neurology and Regional Referral Center for Headache Disorders, University of L’Aquila, Piazzale Salvatore Tommasi, 1, 67100 L’Aquila, Italy
                Article
                424
                10.1007/s10194-012-0424-y
                3311830
                22367631
                054fec56-10fb-4fb4-baaf-4e8ad09ce39a
                © The Author(s) 2012
                History
                : 26 January 2012
                : 8 February 2012
                Categories
                Review Article
                Custom metadata
                © Springer-Verlag 2012

                Anesthesiology & Pain management
                migraine,hormones,pregnancy,menopause,contraceptive
                Anesthesiology & Pain management
                migraine, hormones, pregnancy, menopause, contraceptive

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