临床材料病例选择标准 :根据中华儿科学会新生儿学组1996年 10月制订的新生儿缺氧缺血性脑病诊断依据和临床分度[1] 。选择 2 0 0 4年 1- 7月经临床及头部CT(3日龄 )确诊的 5 0例新生儿缺氧缺血性脑病患者 ,根据头颅CT改变分为轻、中、重 3度。入选患者必须为足月、出生后 2d内 Clinical material case selection criteria: According to the China Pediatric Society neonatology group developed in October 1996 diagnosis of neonatal hypoxic-ischemic encephalopathy based on the clinical classification and clinical [1]. A total of 50 neonates with hypoxic-ischemic encephalopathy diagnosed by clinical and head CT (3 days old) from July to July in 2004 were selected and divided into mild, moderate and severe degree according to the cranial CT. Selected patients must be full-term, 2d after birth