外周循环阻力指数、肺循环阻力指数明显增高；
Systemic vascular resistance index (SVRI) and pulmonary vascular resistance index (PVRI) were increased significantly;
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.
各组间阻力指数（RI）、搏动指数（PI）无显著差异。
Resistance index(RI) and pulsatility index(PI) were not significantly different in different age groups.
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.
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.
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).
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).
结论：在挤压(压碎)伤中，检测肾阻力指数对评估急性肾衰的恢复和预后有益。
CONCLUSIONS: in crush injury, measurement of renal resistive indexes can be useful for the prognosis of recovery from acute renal failure.
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.
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.
这种勺型状态与年龄较轻、不伴有糖尿病、慢性血管疾病积分较低以及阻力指数低有关。
Dipping status was associated with younger recipient age, lack of diabetes, low chronic vascular score, and low resistive 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.
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.
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).
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).
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.
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).
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…
方法：应用彩色多普勒超声仪，检测ESWL治疗60例单侧肾结石病人过程中结石旁小血管阻力指数。
Methods: the intrarenal vascular resistance index in 60 patients was measured with Doppler ultrasound techniques before and after ESWL in the treated and contralateral kidneys.
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).
用搏动指数、阻力指数、A/B比值，结合二维实时显像对胎儿宫内生长迟缓、畸形、宫内胎儿死亡的研究。
The combination of three parameters of Doppler is pulse index (PI), resistance index (RI), A/B ratio together with.
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).
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).
结论阻力指数鉴别单侧梗阻性和非梗阻性上尿路积水的能力可能有限，阻力指数率可能有助于单侧上尿路积水的鉴别。
Conclusion ri may play no role in the differential diagnosis for unilateral upper urinary hydrocele. Resistive index ratio may contribute to it.
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.
该研究表明夜间收缩压下降规律的丧失与移植肾功能差、慢性血管疾病积分高以及阻力指数高有关，而与移植肾纤维化无关。
This study indicates that lack of nocturnal fall in SBP is related to poor allograft function, high chronic vascular score, and high resistive index irrespective of allograft fibrosis.
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.
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.
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