Conclusions: It present a new way to differentiate unilateral renal ectopy and nephrospasis by measuring the changes of mean peak-systolic flow velocity of renal artery in these patients.
结论：肾缺如、肾异位、肾游走患者肾动脉血流峰值流速的改变，为肾缺如、肾异位、肾游走的 鉴别诊断提供了新的依据。
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。
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