早晨易发生脑梗塞与心肌梗塞的原因,过去已有一些报道,认为除了与晨起后身心应激有关外,还与动脉压、血浆儿茶酚胺、血纤维蛋白原活力等生理性昼夜变化有关。日本作者Kubota等最近提出可能与早晨血细胞比积和血粘度增高有关[Stro e1987;18(4)、812]。他们观察了30例不吸烟与血压正常的中老年人,15例3个月前有脑梗塞史,其中10例在早晨5点到中午发生中 In the morning there are some reasons why cerebral infarction and myocardial infarction are easy to occur. There have been some reports in the past that there are some physiological circadian changes such as arterial pressure, plasma catecholamines, and fibrinogen in addition to the morning and morning physical and mental stress. The Japanese author Kubota et al recently suggested that it may be related to increased morning hematocrit and increased blood viscosity [Stro e1987; 18 (4), 812]. They observed 30 non-smoking and normal blood pressure in the elderly, 15 patients had a history of cerebral infarction 3 months ago, of which 10 cases occurred in the morning 5:00 to noon occurred