一氧化氮（ＮＯ）是一种活跃的血管扩张因子及神经介质，参与中枢神经系统的生理病理过程。作者检测了脑梗死１９例急性期脑脊液（ＣＳＦ）中ＮＯ含量，探讨Ｔ ＮＯ含量变化与脑梗死的关系。１对象和方法１．１对象病例组１９例，男１５例，女４例；年龄４８～６９岁，平均５６ Nitric oxide (NO) is an active vasodilator and neurotransmitter involved in the physiology and pathology of the central nervous system. The authors tested NO levels in 19 acute cerebrospinal fluid (CSF) of patients with cerebral infarction and explored the relationship between changes of T NO and cerebral infarction. 1 objects and methods 1.1 object cases 19 cases, 15 males and 4 females; aged 48 to 69 years, an average of 56