病变侧颈总动脉阻力指数眼动脉侧支组明显低于无眼动脉侧支组。
Resistance index in ipsilateral common carotid artery was significantly lower in the group with ophthalmic artery collateral than in the group without ophthalmic artery collateral.
但肝硬化腹水组肾动脉阻力指数（RI）和搏动指数（PI）均显著高于其余两组（P<0.01）。
But resistive index (RI) and pulsatile index (PI) were markedly higher in cirrhotic patients with ascites than that in cirrhotic patients without ascites and that in the control group (P<0.01).
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。
In this study, CDFI has monitored for acute renal transplant rejection according to the increased renal artery resistance index (RI).
高危险因素组颈动脉内-中膜厚度（IMT）、阻力指数（RI）明显大于低危险因素组（P<0.05）；
The carotid arteries intima-media thickness(IMT)and resistent index(RI)in high risk factors groups were higher than that in low risk factors groups(P<0.05).
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)。
Focus on extrahepatic bile duct diameter, wall thickness, lumen transparent sound, hepatic artery peak flow velocity (PSV) and resistance index (RI).
方法选用高频手术专用探头，于手术中门静脉、肝动脉吻合完成后立即测量肝动脉及门静脉血流速度，并计算快速充盈时间及阻力指数。
Methods Liver scanning was performed with a high frequency transducer to measure the velocity acceleration time and resistant index of portal vein and hepatic artery after finishing the anastomosis.
结论肝移植术后低阻力指数与早期肝动脉并发症有明显相关性，而高阻力指数和舒张期无血流与肝动脉并发症无明显相关。
Conclusion Lower RI after liver transplantation is obviously relevant to hepatic artery complications, while higher RI and no blood flow in diastole is not obviously relevant.
结果年龄与颈内动脉狭窄程度和阻力指数呈正相关； 血糖浓度与斑块长度和厚度呈正相关；
Results The degrees of carotid atherosclerotic stenosis and the resistance index were positively correlated with age.
肾动脉流速、流量及其阻力指数与正常人比较无统计学意义（P＞0．05）。
Renal artery velocity, volume and RI had also no difference( P >0 05).
结果发现：肝硬化门脉高压患者门脉系统动、静脉属支皆处于高血流状态，门脉主干的淤血指数较正常人高，门脉系统动脉属支阻力指数均较正常人低。
We found that there were high blood flow states in the arterial and the veinous branches of the portal vein system. There were higher congestion in…
结果发现：肝硬化门脉高压患者门脉系统动、静脉属支皆处于高血流状态，门脉主干的淤血指数较正常人高，门脉系统动脉属支阻力指数均较正常人低。
We found that there were high blood flow states in the arterial and the veinous branches of the portal vein system. There were higher congestion in…
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