Resultes 1.Compared with control group on the first day, renal artery blood flow velocity and flow volume of asphyxiated group were decreased and resistance was increased.

• 结果1.；窒息后新生儿第1天肾动脉血流速度和血流量较正常对照组低下，阻力增加，这种改变随窒息程度加重而加重。