• Arq Neuropsiquiatr · Mar 2017

    Comparative Study

    Cutaneous allodynia is more frequent in chronic migraine, and its presence and severity seems to be more associated with the duration of the disease.

    • Mariana Tedeschi Benatto, Lidiane Lima Florencio, Gabriela Ferreira Carvalho, Fabíola Dach, Marcelo Eduardo Bigal, Thaís Cristina Chaves, and Débora Bevilaqua-Grossi.
    • Universidade de São Paulo, Faculdade de Medicina de Ribeirão Preto, Departamento de Biomecânica, Medicina e Reabilitação do Aparelho Locomotor, Programa de Pós-Graduação em Reabilitação em Desempenho Funcional, Ribeirão Preto SP, Brasil.
    • Arq Neuropsiquiatr. 2017 Mar 1; 75 (3): 153-159.

    ObjectiveTo evaluate cutaneous allodynia among patients with chronic and episodic migraine in a tertiary headache clinic.Methods80 subjects with episodic migraine and 80 with chronic migraine were assessed in a tertiary hospital. The 12-item Allodynia Symptom Checklist/Brazil questionnaire was applied to classify subjects according to the presence and severity of cutaneous allodynia.ResultsCutaneous allodynia was identified in 81.3% of the episodic migraine group and 92.5% of the chronic migraine group (p = 0.03). No increased association could be attributed to chronic migraine when adjusted by years with disease (PR = 1.12; 95%CI = 0.99 to 1.27; p = 0.06). The groups also did not differ in the severity of allodynia, and severe presentation was the most frequent.DiscussionBoth groups seemed to be similarly affected in the cephalic and extracephalic regions, with the same severity.ConclusionCutaneous allodynia is more frequent in chronic migraine, and its presence and severity seems to be more associated with the duration of the disease.

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