肾内电阻指数：是神话还是现实？
Resistive intrarenal index: myth or reality?
机构信息
1 Nephrology and Dialysis Unit, "St Giovanni di Dio" Hospital, Agrigento, Italy.
出版信息
Br J Radiol. 2014 Jun;87(1038):20140004. doi: 10.1259/bjr.20140004. Epub 2014 Apr 15.
Abstract
In renal diagnosis, the B-mode ultrasound is used to provide an accurate study of the renal morphology, whereas the colour and power Doppler are of strategic importance in providing qualitative and quantitative information about the renal vasculature, which can also be obtained through the assessment of the resistive index (RI). To date, this is one of the most sensitive parameters in the study of kidney diseases and allows us to quantify the changes in renal plasma flow. If a proper Doppler ultrasound examination is carried out and a critical analysis of the values obtained is performed, the RI measurement at the interlobar artery level has been suggested in the differential diagnosis between nephropathies. The aim of this review is to highlight the pathological conditions in which the study of intrarenal RI provides useful information about the pathophysiology of renal diseases in both the native and the transplanted kidneys.
摘要
在肾脏诊断中，B 型超声用于提供对肾脏形态学的准确研究，而彩色和能量多普勒在提供有关肾脏血管的定性和定量信息方面具有重要意义，这些信息也可以通过评估阻力指数（RI）获得。迄今为止，这是肾脏疾病研究中最敏感的参数之一，它使我们能够量化肾血浆流量的变化。如果进行适当的多普勒超声检查并对获得的值进行批判性分析，则建议在肾病变的鉴别诊断中测量叶间动脉水平的 RI。本综述的目的是强调在哪些病理情况下，研究肾内 RI 可以提供有关原发性和移植肾疾病的病理生理学的有用信息。
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