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应用彩色多普勒测定21例窒息新生儿及18例正常新生儿的右心功能。结果表明，肺动脉瓣血流峰值正常（P＞0．05），三尖瓣E峰值降低，A峰值增高，E／A缩小（P＜0.05）。提示新生儿窒息后恢复期仍存在右心舒张功能异常。
Color Doppler echocardiography was used to measure right ventricular function in 21 neonates with asphyxia and 18 normal neonates. The results showed that the pulmonary blood flow peak value was normal (P> 0.05), tricuspid E peak decreased, peak A increased and E / A decreased (P <0.05). Tip neonatal asphyxia recovery still exist right ventricular diastolic dysfunction.