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新生儿窒息后至缺氧缺血性脑病(HIE)发生前是脑缺氧损伤干预的关键阶段,脑血流动力学变化、脑实质密度改变均与脑损伤相关。本研究采用多普勒超声检测新生儿窒息后脑血流动力学改变,并通过影像学检查观察新生儿额叶皮质、髓质及基底节密度变化,评价尼莫地平对HIE新生儿脑血流动
Neonatal asphyxia before the onset of hypoxic-ischemic encephalopathy (HIE) is a key phase of cerebral hypoxia injury intervention, cerebral hemodynamic changes, changes in brain parenchyma are associated with brain injury. In this study, changes of cerebral hemodynamics after neonatal asphyxia were detected by Doppler ultrasound, and the changes of cortical, medullary and basal ganglia density were observed by imaging examination to evaluate the effects of nimodipine on cerebral blood flow in neonates with HIE