Researchers are the key factors shown to be predictors of a chronic migraine

Migraine is a headache gold headache pulsatile occurring through crises. If the precipitating factors of his arrival are different from one person to the other, these latter happen to be most often a change of pace of life (stress, lack of sleep…), the consumption of certain foods gold drugs (tobacco, alcohol, coffee), or hormonal factors. According to the health Insurance, it is a question of chronic migraine if headache present more than 15 days per month, evolving since more than 3 months and a duration of daily more than 4 hours. A situation that can be caused by excessive consumption of drugs referred to anodyne.

But what can be the specific factors that may cause this chronic back pain ? According to a meta-analysis from researchers at the department of neurology of the Albert Einstein College of Medicine published in the journal Cephalalgia, there are a list of situations contributing to the evolution of episodic migraine to a chronic form. If several of them have already been highlighted in other studies (depression, sleep disorders, obesity, female sex, medications, coffee, low-income etc), these studies are not without limitations that may underestimate gold overestimate these factors in question. It turns out that the latter would be as much clinical as sociodemographic.

The frequency of crises has indeed a significance

The researchers suggest, in the first place the depression : suffering from this mental illness would increase to 58% the risk to evolve towards a chronic migraine. “It is a psychiatric comorbidity is widely observed in many other studies on migraine. “said they. Their results also put forward the frequency of migraine attacks, because the fact of having more than five seizures per month would increase by nearly three times the risk, while a dozen seizures per month would result in an increase of this risk is multiplied by five. Purpose scientists remind that there is an ongoing debate around the diagnostic criteria of chronic migraine.

“An average frequency of 10 days per month of headache is generally regarded as an episodic migraine to high-frequency, which is similar in many respects to the people suffering from chronic migraines and can be managed in a similar way, by considering a preventive therapy and behavioural therapies. “, explains Dr. Dawn Buse, who led the study. Regarding the drugs, their overuse may well multiply by eight, the risk of developing a chronic headache. This is why researchers emphasize the need for greater vigilance on the part of the doctors, in case of failure of drug highs and drug abuse.

Why the annual income is involved ?

Another risk factor mentioned, purpose less known, allodynia is a sensory disturbance where external stimuli usually harmless prove to be painful. The best-known example is the allodynia on the scalp, when combing becomes an act painful because of the sensitivity of the scalp. In the present study, allodynia would be likely to increase by 40% the risk to move from an episodic migraine to a chronic migraine. Finally, the last risk listed is economic, as it relates to the income. Researchers have found that the fact of earning annual salaries greater than 50,000 usd would reduce by nearly 35% to evolve to a chronic migraine.

The explanation would take into the fact that a higher income would have a greater access to information and treatments that prevent the chronification of migraine. One last note of researchers focuses on the clinical implication of these findings : “the health professionals must be alert to factors that may increase the risk of progression to chronic migraine among persons with episodic migraine, including headache, high-frequency, medication overuse and depression, and treat those conditions when they encounter them. “According to the Insurance disease, migraine affects 12% of adults and 5 to 10% of children, or 11 million people.

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