新生儿窒息的脑血流动力学改变  

Cerebral hemodynamic changes in asphyxiated neonates

作　　者：刘悠南[1] 刘义[1] 韦业平[2] 袁华[2] 马燕[2] 

机构地区：[1]广西医科大学第一临床学院儿科新生儿病房,530021 [2]广西医科大学第一临床学院妇产科B超室,530021

出　　处：《广西医学》2000年第1期52-54,共3页Guangxi Medical Journal

摘　　要：目的 :研究窒息新生儿的脑血流动力学改变。方法 :应用彩色多普勒超声监测 12例窒息新生儿脑血流参数变化。结果 :生后 <72小时的大脑前、中、后动脉的收缩期峰值流速 (Vs)与舒张末期流速 (Ved)降低、搏动指数 (PI)、阻力指数 (RI)增高。与生后 >72小时监测值相比均有显著性差异 (P <0 .0 1)。结论 :窒息的新生儿在生后 72小时内有脑血流减少与脑血管阻力增加的改变 ,从理论上阐明新生儿窒息与新生儿缺氧缺血性脑病时应用多巴胺类药物的必要性。Objective:To study the cerebral hemodynamic changes in asphyxiated neonates who were aged less than 72 hours and more than 72 hours after birth Methods:We detected the 12 cases asphyxiated neonates with anterior,middle and posterior cerebral artery by using color Doppler sonography at before and after 72 hours of birth Results:Less than 72 hours after birth(group one),The peak systolic velocity(Vs),end diastolic velocity(Ved),resistance index(RI) and pulsitive index(PI) have significant differences than those more than 72 hours after birth(group two) Conclusion:The hemodynamic changes,including increase of RI and decrease of velocity of cerebral blood flow,of cerebral blood perfusion occurred in asphyxiated neonates

关 键 词：新生儿窒息 脑血流动力学 超声多普勒 

分 类 号：R722.12[医药卫生—儿科]