resistance index RI的意思|示意

Focus on extrahepatic bile duct diameter, wall thickness, lumen transparent sound, hepatic artery peak flow velocity (PSV) and resistance index (RI).

超声观察肝外胆管内径、管壁厚度、管腔内透声、肝动脉峰值流速(PS V)、阻力指数(RI)。

Resistance index(RI) and pulsatility index(PI) were not significantly different in different age groups.

各组间阻力指数（RI）、搏动指数（PI）无显著差异。

Methods Portal venous blood flow, hepatic arterial blood flow and resistance index(RI) were determined by duplex Doppler sonography in 56 patients subjected to liver transplantation.

方法应用彩色多普勒超声对56例肝移植患者术前及术后移植肝门静脉、肝动脉血流及肝动脉阻力系数（RI）进行监测。

The hemodynamic parameters measured in the lesion locations included peak systolic velocity (PSV), end diastolic velocity (EDV), and resistance index (RI).

病灶局部所测血流动力学参数为收缩期峰值血流速度PS V，舒张末期血流速度(EDV)及阻力指数ri。

In this study, CDFI has monitored for acute renal transplant rejection according to the increased renal artery resistance index (RI).

采用彩色多普勒血流成像，以肾动脉阻力指数(RI)为参数，对犬肾移植动物模型的急性排斥反应进行检测。

Detection of tumor blood flow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).

检测肿瘤内部的血流频谱，记录收缩期峰值流速(PSV)和阻力指数(RI)。