方法记录分析62例盆腔炎性肿块的血流阻力指数。
Methods The resistance indices in pelvic masses of 62 patients with PID were analysed.
经放、化疗治疗后，血流信号减少，血流阻力指数增高。
Both after chemotherapy and radiotherapy, resistance index increases and detectable intratumoural blood flow signal decreases.
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)。
Detection of tumor blood flow within the spectrum, recorded peak systolic velocity (PSV) 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。
The hemodynamic parameters measured in the lesion locations included peak systolic velocity (PSV), end diastolic velocity (EDV), 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.
目的探讨眼球后血管血流速度降低及阻力指数升高与原发性开角型青光眼的关系。
Objective to determine whether lower blood velocities and high resistive index in the retrobulbar arteries are primary or secondary to glaucoma damage in patients with primary open-angle glaucoma.
而两者间内缘或内部彩色血流显像及峰速或阻力指数均无差异。
CDF1 and PW were unsignificant differences in Flow Imaging, Velocity Peak and Resistance Index.
结果：高血压患者眼血管血流速度明显减慢，阻力指数明显增高，呈低流速高阻力状况。
Results: the ophthalmic bloodstream speed increased obviously, the ophthalmic blood vessels of hypertension was in a state of low bloodstream and high resistance.
提示急性心肌梗死患者口服氯沙坦产生外周阻力及心肌耗氧量下降，心指数增加等有益的血流动力学效应。
The results showed that oral losartan administrated to patients with ami resulted in beneficial hemodynamic effects, such as decrease of SVR and oxygen consumption, increase of cardiac index.
结论：血管收缩剂引起肿瘤血供增加，血液流速增快，阻力指数降低，可用于肿瘤的血流动力学研究。
Conclusion: Vasoconstrictor can increase tumor blood flow, increase flow velocity, decrease ri and it can be used in tumor hemodynamic study.
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.
方法本组89例，应用高频率的彩色多谱勒超声检查肿大淋巴结的形态及内部回声、纵横比（L/T）、彩色多谱勒血流显像（CD FI）及阻力指数（RI）的频谱特征。
Methods The manifestation, internal echo, the L/T ratio, CDFI and RI frequency spectrum feature of the superficial lymph nodes were studied with high frequency and color Doppler ultrasound 89 cases.
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).
对搏动指数（PI）和阻力指数（RI）用于评价透析血管血流动力学方面的变化作了初步分析。
The result demonstrated the accordance of this two methods. The dynamics of blood flow in hemodialysis vascularity was evaluated by pulsatility index(PI) and resistence index(RI).
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.
目的：应用多普勒超声测定多普勒血流灌注指数（DPI）、阻力比（RR）等血流参数，用以评价其对肝癌术后复发患者的诊断价值。
Purpose:To assess the value of the DPI and RR measured with Doppler Ultrasound (DUS) in diagnosing recurrent primary hepatocellular carcinoma after partial hepatectomy.
结果：前列腺癌周边血流丰富，彩色血流信号呈花环状或点棒状，多普勒频谱测值为高阻力指数特征。
Results:The blood flow was abundant around the cancer tissue. The color signal of blood flow showed garland-like or punctate. The feature of its Doppler spectrum was o…
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…
方法对190例正常人，运用灰阶、彩色多普勒及高频超声检查LGA内径、最高流速、最低流速、平均流速、阻力指数和血流量。
Methods Total 190 normal subjects, 97 males and 93 females, were examined by gray scale, color Doppler and high frequency ultrasound to detect LGA.
方法对190例正常人，运用灰阶、彩色多普勒及高频超声检查LGA内径、最高流速、最低流速、平均流速、阻力指数和血流量。
Methods Total 190 normal subjects, 97 males and 93 females, were examined by gray scale, color Doppler and high frequency ultrasound to detect LGA.
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