分析病变处血流的搏动指数(PI)和阻力指数(R I)与病理组织学结果的关系。

Lesion vascularity, pulsatility index (PI), and resistive index (ri) of the vessels detected were analyzed. And correlated with histologic results.

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结果与正常组比较，妊娠晚期合并羊水过少的胎儿肾动脉搏动指数明显升高。

Results The PI of fetal renal artery with oligohydramnios were significantly higher than the normal.

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糖尿病并腔隙性脑梗死患者的动脉搏动指数明显高于无脑梗死组和对照组（P<0 .0 1）。

The arterial pulsatility index was significantly higher in patients with lacunar infarction than in those without lacunar infarction as well as in controls(P<0.01).

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