• Cephalalgia · Aug 2009

    Plasma calcitonin gene-related peptide in diagnosing and predicting paediatric migraine.

    • P-C Fan, P-H Kuo, S-H Chang, W-T Lee, R-M Wu, and L-C Chiou.
    • Department of Paediatrics, National Taiwan University Hospital, Taipei, Taiwan.
    • Cephalalgia. 2009 Aug 1; 29 (8): 883-90.

    AbstractTo investigate the role of plasma calcitonin gene-related peptide (CGRP) in paediatric migraine, we prospectively collected 134 blood samples during or between attacks from 66 migraine, 33 non-migraine headache (non-migraine) and 22 non-headache patients, aged 4-18 years. Plasma CGRP concentrations were measured by enzyme-linked immunosorbent assay and disability by Pediatric MIgraine Disability ASsessment (PedMIDAS) questionnaire. Migraineurs had higher plasma CGRP levels than non-migraine patients (P = 0.007). The attack level was higher than the non-attack level in migraine (P = 0.036), but not in non-migraine, patients. This was also revealed in paired comparison (n = 9, P = 0.015 vs. n = 4, P = 0.47). Using a threshold of 55.1 pg/ml, the sensitivity of the attack level in predicting migraine was 0.81, and specificity 0.75. The PedMIDAS score tended to be higher in the high CGRP (> 200 pg/ml, n = 7) group than in the low (< 200 pg/ml, n = 33) group (26.07 vs. 19.32, P = 0.16) using Mann-Whitney test. Plasma CGRP is useful for diagnosis in paediatric migraine.

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