脑中风是一种严重的神经系统疾病,通常表现为比较严重的运动和感觉功能障碍,症状比较明显,但其中尚有10—20%的病人虽然已经发生了脑中风,脑组织受到破坏,但症状和体征轻微,容易被患者和医生忽视,只是事后通过 CT 或核磁共振检查才发现陈旧的病灶,而被称为无症状脑中风。无症状脑中风包括脑梗塞和脑出血,前者占大多数。这种脑中风虽然症状比较轻微,没有严重的后遗症,但其病因与发病机制与出现症状的脑中风相同,只是病变的部位处于大脑中功能相 Stroke is a serious neurological disease, usually manifested as more serious motor and sensory dysfunction, the symptoms are more obvious, but there are still 10-20% of patients although the stroke has occurred, the brain tissue is damaged, but Slight symptoms and signs, easily overlooked by patients and physicians, but only after the discovery of stubborn lesions by CT or MRI, which was called asymptomatic stroke. Asymptomatic stroke, including cerebral infarction and cerebral hemorrhage, the former accounted for the majority. Although this stroke is relatively mild symptoms, there is no serious consequences, but the etiology and pathogenesis of the symptoms of stroke with the same, but the lesion in the brain in the functional phase