Migraine patients consistently show abnormal vestibular bedside tests

Migraine and vertigo are common disorders, with lifetime prevalences of 16% and 7% respectively, and co-morbidity around 3.2%. Vestibular syndromes and dizziness occur more frequently in migraine patients. We investigated bedside clinical signs indicative of vestibular dysfunction in migraineurs.

ObjectiveTo test the hypothesis that vestibulo-ocular reflex, vestibulo-spinal reflex and fall risk (FR) responses as measured by 14 bedside tests are abnormal in migraineurs without vertigo, as compared with controls.

MethodCross-sectional study including sixty individuals – thirty migraineurs, 25 women, 19-60 y-o; and 30 gender/age healthy paired controls.

RESULTSMigraineurs showed a tendency to perform worse in almost all tests, albeit only the Romberg tandem test was statistically different from controls. A combination of four abnormal tests better discriminated the two groups (93.3% specificity).

ConclusionMigraine patients consistently showed abnormal vestibular bedside tests when compared with controls.

Enxaqueca e vertigem são desordens comuns, com prevalência de 16% e 7% respectivamente, e comorbidade em torno de 3,2%. Síndromes vestibulares e tonturas ocorrem mais frequentemente em enxaquecosos. Pesquisamos alterações vestibulares utilizando testes de beira-de-leito em enxaquecosos.

ObjetivoVerificar se as respostas dos reflexos vestíbulo-ocular, vestíbulo-medular e risco de quedas medidas por 14 testes de beira-de-leito são diferentes comparando-se enxaquecosos sem vertigem, e controles.

MétodoEstudo transversal com sessenta pessoas, 30 enxaquecosos; 25 mulheres, 19-60 anos; e trinta controles saudáveis pareados por sexo e idade.

ResultadosHouve tendência de pior desempenho entre enxaquecosos em quase todos testes, porém apenas o teste de Romberg tandem foi estatisticamente diferente dos controles. Uma combinação de quatro testes anormais discrimina os grupos com especificidade de 93,3%.

ConclusãoO grupo de enxaquecosos mostrou consistentemente testes vestibulares de beira-de-leito anormais quando comparados a controles.

migraine - vertigo - bedside tests

enxaqueca - vertigem - testes de beira-de-leito

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