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血管性头痛是神经科常见病和多发病。尤其是群集性头痛(Cluster-headache)更是一种使人难以忍受的剧烈头痛。它多发生在青壮年,多为有规律性的,发作性的,连续不断的剧烈头痛,伴有结膜充血、恶心、呕吐症状,逐渐加重,持续数天、数月,或1～2年,发作过后各种活动如常。此病易被利血平及一些血管扩张药如硝酸甘油之类药物所诱发。 有人认为此种头痛与5—羟色胺代谢紊乱有关。因5—羟色胺是一种生物活性物质,它能使头颅动脉收缩。如果血浆中5—羟色胺含量突然降低40％,就可使颅外动脉扩张,出现头痛。也有人认为这种疼痛
Vascular headache is a common neurological disease and frequently-occurring disease. In particular, Cluster-headache is an overwhelming headache. It occurs mostly in young adults, mostly regular, episodic, continuous severe headache, accompanied by conjunctival hyperemia, nausea, vomiting, and gradually increased for several days, months, or 1 to 2 years, A variety of activities after the attack as usual. The disease is easily induced by reserpine and some vasodilators such as nitroglycerin. Some people think that this headache and serotonin metabolism disorder related. Serotonin is a bioactive substance that causes contraction of the cranial artery. If the plasma serotonin levels suddenly decreased by 40%, can make the extracranial artery dilation, headache. Some people think that kind of pain