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阻力指数在儿童慢性肾功能衰竭变化的意义 被引量:1

The Significance of Resistance Coefficient in The Changes of chronic renal Failure in Children
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摘要 目的 :探讨多普勒肾血流检测在儿童慢性肾功能衰竭的临床应用价值。方法 :以多营勒超声检测 9例慢性肾功能衰竭儿童主肾动脉、段动脉及叶间动脉的多普勒、血流频谱 ,检测指标为收缩期最大峰值流速(Vmax) ,舒张未最低流速 (Vmin) ,Vmax/Vmin(S/D) ,阻力指数 (RI)、脉动指数 (PI)。部分做肾核素扫描。健康学龄儿童对照 30例。结果 :30例正常学龄儿童多普勒肾血流频谱呈高速低阻型。慢性肾功能衰竭组多普勒频谱均呈低速高阻型。主肾动脉、段动脉及叶间动脉的RI ,PI及S/D均有显著意义的升高 ,Vmin显著降低P <0 .0 1。RI与血肌酐水平呈良好线性正相关 (r =0 .819)。结论 :多营勒超声检测肾血流阻力为儿童慢性肾功能衰竭诊断、疗效观察及预后评价提供了一种有价值的新技术方法。
出处 《中国现代医学杂志》 CAS CSCD 2003年第18期146-146,150,共2页 China Journal of Modern Medicine
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参考文献6

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  • 6PETERSEN LJ,PETERSEN J R,TALLERUPHUUS U,et al.PI and RI in renal arteries in patients with hypertension and chronic renal failure[J].Nephrol Dial Transplant,1997,12(7):1376-1380.
  • 7陈星,贾涛,韩秀珍.正常学龄儿童多普勒肾血流检测的意义[J].中华超声影像学杂志,2000,9(6):383-384. 被引量:5
  • 8郑名芳,熊嗣钰,杨杏鲜,陈寿康,张庆.儿童急性肾功能衰竭肾动脉血流灌注的超声观测[J].中国医学影像技术,2001,17(11):1083-1085. 被引量:3

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