无症状脑梗死154例临床分析

目的 探讨154例无症状脑梗死（SBI）的临床特点及意义。方法 对本院1997～2004年门诊及住院705例脑梗死患者的头颅CT和MRI及临床资料进行回顾性生分析。结果 SBI的发生率21．84％，且随年龄增长有上升的趋势。病变通常为腔隙性或大脑皮质静区，病灶直径多在0．3～1．5cm。临床表现多为一些非特异性症状如头痛、头昏；主观感觉的肢体麻木、无力及轻微智力减退等。结论 SBI患者的临床表现为非特异性，应高度重视，积极采取措施，进行防治。

Clinical analysis of 154 cases of silent brain infarction

Objective To investigate the clinical characteristics and significance of 154 cases of SBI. Methods To restrospectire study the 705 cases of Crs clinical data which were diagnosed by CT or MRI were in patient department and out paitient department in our hospital from 1997 to 2004. Results The incidence rate of SBI is 21.84 %. And, the older, it will be higher. Pathological changes often can be found in the cerebral cortical static area or are lacunar state the diameter is often between 0.3cm and 1.5cm the clinical syndromes often are unspecific. For example, headache, dizzy, subject feeling limb numbness, powerless, slightly intelligence decline and so on. Conclusion To be completely realized that clinical significance of SBI and take active measures to carry out prevontion and cure.