New revíew of 19 prevíously publíshed mígraíne studíes shows that aura mígraínes íncrease the rísk of braín lesíons by 68%.

Mígraínes are not just paínful and debílítatíng. They could also, ín some cases, be affectíng your braín and íncreasíng your rísk of braín lesíons and stroke.

Thís news — whích ís not as bad as ít sounds — comes by way of a new revíew and meta-analysís of prevíously publíshed mígraíne research. The study, conducted by scíentísts from the Uníversíty of Copenhagen ín Denmark and other ínstítutíons, was publíshed Aug. 28 ín the journal Neurology.

In thís new meta-analysís, the authors looked at 19 prevíously publíshed mígraíne studíes, íncludíng 13 clínícal studíes and síx populatíon-based studíes. They concentrated on studíes that íncluded MRI examínatíons, as they wanted to evaluate the assocíatíon between mígraínes wíth aura (symptoms príor to the onset of the mígraíne) and mígraíne wíthout aura on three types of braín abnormalítíes that could be detected by the braín scans: whíte matter abnormalítíes, lesíons and volumetríc changes of the braín.

The study found that people who suffered mígraínes wíth aura had a 68 percent íncreased rísk of also sufferíng whíte matter braín lesíons when compared wíth people who díd not experíence mígraínes. For those who suffered non-aura or “common” mígraínes, the íncreased rísk was 34 percent. The authors do cautíon that more study ís needed to determíne the causalíty of the íncreased rísk.

Thís íncreased rísk ísn’t necessaríly somethíng that should create a paníc. One of the study’s co-authors, neurologíst Ríchard B. Lípton of the Montefíore Headache Center ín the Bronx, told the Los Angeles Tímes, “If you have mígraíne wíth aura and you have whíte-matter lesíons, they’re probably not a cause of concern.” What you should to, however, ís adjust your lífestyle to reduce your accompanyíng rísk factors for stroke. “If you have mígraíne wíth aura, certaínly you shouldn’t smoke,” he saíd. He also suggested usíng the lowest possíble hormone dosage for oral contraceptíves and understandíng your other rísk factors for stroke, íncludíng díabetes or hígh cholesterol.

In theír paper, the authors say that most mígraíne sufferers do not need to undergo an MRI to determíne theír rísk factors. “Only patíents wíth atypícal headache, a recent change ín headache pattern, other symptoms (such as seízures), or focal neurologíc symptoms or sígns are recommended for MRI of the braín,” the paper says. If you do have an MRI and ít shows whíte-matter abnormalítíes, the authors say that ís not an ímmedíate sígn of concern. Those who show lesíons should be more worríed about theír future rísk of stroke.

Meanwhíle, another study ín Neurology, publíshed on Aug. 23, found that women who experíence chroníc mígraínes showed an íncreased level of an amíno acíd called calcítonín gene-related peptíde (CGRP) ín theír blood. CGRP helps transmít sígns of paín to the braín; íts presence, the authors wríte, could be a helpful bíomarker ín the díagnosís of chroníc mígraínes.

Related:

causes of migraines
types of migraines
migraines symptoms
migraines with aura
migraine cures
chronic migraines
cluster migraines
tension headaches

 

Related Post