在雷诺现象中,寒冷或情绪激动会引起手指、足趾血管痉挛,导致典型的白、青、红三相色泽反应。其次,雷诺现象的发生与神经功能紊乱等疾病有关。作者对由于原发性慢性自主神经功能衰竭行交感神经切除术患者出现的雷诺现象进行了调查。方法　73例原发性慢性自主神经功能衰竭的患者 In the Renault phenomenon, cold or emotional excitement can cause vasospasm in the fingers and toes, resulting in typical white, blue and red three-phase color reaction. Second, the occurrence of Raynaud’s phenomenon is related to diseases such as neurological disorders. The authors investigated the phenomenon of Raynaud’s appearance in patients undergoing sympathetic denervation due to primary chronic autonomic nerve failure. Methods 73 patients with primary chronic autonomic nerve failure