Vasoactive intestinal peptide causes marked cephalic vasodilation, but does not induce migraine
Vasoactive intestinal peptide causes marked cephalic vasodilation, but does not induce migraine
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DOI:
10.1111/j.1468-2982.2007.01497.x
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发表时间:
2008-03-01
期刊:
影响因子:
4.9
通讯作者:
Ashina, M.
中科院分区:
文献类型:
--
作者:
Rahmann, A.;Wienecke, T.;Ashina, M.
We hypothesized that intravenous infusion of the parasympathetic transmitter, vasoactive intestinal peptide (VIP), might induce migraine attacks in migraineurs. Twelve patients with migraine without aura were allocated to receive 8 pmol kg(-1) min(-1) VIP or placebo in a randomized, double-blind crossover study. Headache was scored on a verbal rating scale (VRS), mean blood flow velocity in the middle cerebral artery (V-mean MCA) was measured by transcranial Doppler ultrasonography, and diameter of the superficial temporal artery (STA) by high-frequency ultrasound. None of the subjects reported a migraine attack after VIP infusion. VIP induced a mild immediate headache (maximum 2 on VRS) compared with placebo (P = 0.005). Three patients reported delayed headache (3-11 h after infusion) after VIP and two after placebo (P = 0.89). V-mean MCA decreased (16.3 +/- 5.9%) and diameter of STA increased significantly after VIP (45.9 +/- 13.9%). VIP mediates a marked dilation of cranial arteries, but does not trigger migraine attacks in migraineurs. These data provide further evidence against a purely vascular origin of migraine.