Prognosis
For many people, migraines eventually go into remission and sometimes disappear completely, particularly as they age. Estrogen decline after menopause may be responsible for remission in some older women. One study reported that the following people with migraines (called migraineurs) have a better chance of remission if they have:
- A family history of migraine with aura
- Migraines that are not triggered by light
- No other primary headaches
According to another study, a history of head trauma or oral contraceptive use predicted a poorer long-term outlook.
Risk for Stroke and Heart Disease
Migraine or severe headache is a risk factor for stroke in both men and women, especially before age 50. About 19% of all strokes occur in people with a history of migraine. Research indicates that migraine also increases the risk for other types of heart problems.
Migraine with aura carries a higher risk for stroke than without auras. A 2005 analysis of over 12,000 participants from an atherosclerosis risk study found that migraine with aura was significantly associated with higher risk for stroke and transient ischemic attacks. Another 2005 study suggested that people who experience migraine with aura tend to have more cardiovascular risk factors than people without migraine. These risk factors included worse cholesterol profile, higher blood pressure, early history of heart disease and stroke, and greater likelihood of using oral contraceptives.
Results from a 2005 study showed that women who have migraine with aura are at increased risk of ischemic stroke compared with those who do not have auras and those who have non-migraine headaches. Women under age 55 had the highest risk, with more than double the risk. A 2006 Women’s Health Study of women ages 45 and older found that migraine with aura also increases women’s risk for heart attack, angina, and death due to ischemic heart disease (in which blood flow is decreased due to narrowing of coronary arteries). Migraine without aura did not increase heart disease and stroke risks.


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