雷诺氏综合征又称为肢端动脉痉挛症,是指支配周围血管的交感神经功能障碍而引起的肢端小动脉痉挛性疾病。该病好发于寒冷季节,女性发病率比男性高,发病年龄多在20~30岁之间,绝少超过40岁。雷诺氏综合征的病因至今不是很清楚,一般认为与下列因素有关:1寒冷刺激。该病在北方特别是东北地区的发病率明显较高,患者对寒冷刺激比较敏感。2神经兴奋。可能与中枢神经功能紊乱、交感神经功能亢进有关,患者多属于交感神经 Raynaud’s syndrome, also known as acral arterial spasm, refers to acral arteriolar spastic disease that dominates the sympathetic dysfunction of peripheral blood vessels. The disease occurs in the cold season, the incidence of women than men, the age of onset in the 20 to 30 years old, rarely more than 40 years of age. The cause of Raynaud’s syndrome is not yet clear, generally considered to be related to the following factors: 1 cold stimulation. The incidence of the disease is significantly higher in the north, especially in the northeast, patients are more sensitive to cold stimulation. 2 nerve excitement. May be related to central nervous system disorders, sympathetic hyperactivity related to the patients are mostly sympathetic