外周阻力
- 网络peripheral resistance;SVR;TPR
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通过测定大耳白兔的呼吸有效阻力,并进行中心阻力Rc和外周阻力Rp的分离。
We fractionated total respiratory resistance into central and peripheral resistance by measuring the respiratory effective resistance of big ear white rabbits .
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抗癌复方注射液(66.2mg生药/kg体重)缓慢静注对麻醉家兔的平均动脉压、心率、心指数和总外周阻力指数无明显影响。
CAI ( 66 . 2 mg / kg ) exerted no obvious influence upon mean aterial pressure , heart rate , cardiac index and total peripheral resistance index in anesthetized open-chest rabbits .
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结果提示:心肌MAP改变的机理是由于Pt直接作用于全身血管平滑肌使之收缩,外周阻力增加,心室的后负荷增大,心输出量减少和冠状动脉收缩血流阻力增加所致的全心性缺血。
It is suggest that the change in MAP is resulted from the myocardial ischemia for coronary vasoconstriction produced by pituitrin .
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PDE对临界高血压病左心功能和总外周阻力的研究
The Study of Left Heart Function and Total Pripheral Resistance of Borderline Hypertension Using PDE
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44例患者的CBA检查显示,患者组脑血管外周阻力Rv,动态阻力DR和临界压力CP增高。
The results of CBA in 44 Patients revealed elevations of cerebral vascular resistance , dynamic resiStance and critical pressure .
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结论Car具有较广泛的心血管效应,除通过扩张外周阻力血管降低血压外,尚具有降低心率、抑制心肌收缩性能的作用;
CONCLUSION Car has many effects on the cardiovascular system , besides the fallen MAP induced by the TPR reduction , Car can also decrease the HR and inhibit the contraction ability of the heart .
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目的探讨高压氧(HBO)对脑梗塞患者脑血管外周阻力的影响。
Objectives To study the effect of hyperbaric oxygen ( HBO ) on peripheral resistance of cerebral vessels in patients with cerebral infarction .
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结论:高血压病患者血液流变学异常,尤以Fb升高时显著,造成血管外周阻力升高,心泵功能降低。
Conclusion : The hemorheology of hypertensive patients was abnormal , especially while Fb was increased , it was played an important role on increasing vascular peripheral resistance and decreasing cardiac function .
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方法观测MPD对正常麻醉犬动脉血压、冠脉流量、冠脉阻力和总外周阻力、左室做功等血流动力学参数的影响。
Methods The changes of parameters such as blood pressure ( BP ), coronary blood flow , myocardial oxygen consumption and heart rates were observed in normal anesthetic dogs .
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静脉注射海南岛萝芙木根生物碱0.5mg/kg后,血压下降,心搏加快,总外周阻力则降低。
Intravenous injections of the alkaloid 0.5 mg / kg produced hypotension , tachycardia , and a marked reduction of the total peripheral resistance .
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尼莫地平干预后,血压、总外周阻力、血浆3种激素、细胞Na+和Ca2+降低,两种ATPase活性增高。
After treatment with nimodipine , blood pressure , total peripheral resistance , plasma three hormones and intracellular Na + and Ca 2 + were decreased , Na + - K + - ATPase and Ca 2 + - ATPase activity increased .
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TIA组颈总动脉外周阻力、特性阻抗及脉搏波波速a明显高于对照组,差异均有非常显著意义(P<0.01)。
The peripheral vascular resistances , characteristic impedances and the pulse velocity of common carotid arteries of the TIA group were higher than those of the control group with significant differences ( P < 0 . 01 ) .
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结论Rh2明显升高血压同时,不影响心率、ECG及心室电生理,提示其升压作用可能与增加血管外周阻力有关。
Conclusion Rh2 has the effects of increasing SAP , DAP and MAP in anesthetic rats and has no influence on HR , ECG and cardiac ventricle electrophysiological parameter , suggesting that the effect of increasing blood pressure could be related to the increases of peripheral resistance .
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抑制型主要表现为泵功能受抑制[心搏出量(SV)减少,左心有效泵力(VPE)降低,左心搏功指数(LVWI)降低],外周阻力增高,血粘度增高。
Chief manifestation of inhibitory type as below : pump function was inhibited [ stroke volume de - creased , valid pump effort ( VPE ) of left heart decreased , left ventriculus work index ( LVWI ) decreased ] , peripheral resistance increased , blood viscosity increased .
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结论黄连素对充血性心力衰竭患者有增加心肌收缩力,降低外周阻力,改善心功能作用,是一种有前途的中药正性肌力药。
Conclusion Berberine improved hemodynamics in patients with congestive heart failure .
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重建心阻抗图测定正常人总外周阻力的探讨
Measuring Total Peripheral Resistance with Reconstructed Impedance Cardiogram
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此过程中心率和总外周阻力指数未发生明显变化。
Heart rate and calculated total peripheral resistant index changed insignificantly during the process .
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因为患者外周阻力降低,而心输出量增加。
In patients , because they have decreased peripheral resistance they have high cardiac output .
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说明此效应主要由外周阻力降低所致;
Those effects were mainly due to the result of the decrease of peripheral vascular resistance .
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本文介绍应用计算机技术测量外周阻力变化的新方法。
In this paper a new method for measuring changes of peripheral vascular resistance by computer technique is introduced .
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高血压病患者心脏指数、外周阻力及外周血液淋巴细胞β受体的检测
The determination of cardiac index , total peripheral resistance and peripheral lymphocyte adrenergic beta receptors in patients with essential hypertension
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该变化可能与高血压时自身调节血管外周阻力并保证脑血供有关。
These changes may be related to the peripheral arterial resistance and the blood supply to the brain during hypertension .
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血细胞的入口阻力构成血液循环外周阻力的重要组成部分。
The resistance to the blood cells at the entrance to pores and slits contributes considerably to the peripheral resistance in the blood circulation .
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血细胞在毛细血管和膜孔入口处所受到的阻力构成血液循环外周阻力的重要组成部分。
The resistance to the blood cells at the entrance to capillaries and membrane pores contributes considerably to the peripheral resistance in the blood circulation .
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而在高外周阻力状态中,则相应微血管输入枝及袢顶直径、面积缩小,管袢数显著减少。
At the state of high peripheral resistance , the microvessel inter and top loop diameter is comparatively become small and loop number is obviously reducing .
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结果:心通口服液可升高左室内压,增加左室作功,外周阻力下降。
Results : Xintong Oral Solution can raise the internal pressure of left ventricle , enhance the work of left ventricle and reduce the peripheral resistance .
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具体表现在:肺活量、最大吸氧量、每搏输出量、每分输出量、血管顺应性在训练后明显升高,心率、血压(收缩压、舒张压)、外周阻力明显降低;
Vital capacity , Maximal oxygen uptake and Vessel compliance can all be advanced , Heart rate , Blood pressure , Resistance of peripheral can be decreased ;
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高血压以外周血管阻力增高为特征,血管系统既是外周阻力的调节器又是高血压的靶器官。
Elevated peripheral vascular resistance is characteristic of hypertension , and blood vessel system is not only regulator of peripheral vascular resistance , also target of hypertension .
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方法:利用脉搏波理论和弹性腔模型提出一种便捷易行的外周阻力算法。
Methods : It puts forward the principle and arithmetic of resistance , the algorithm is based on the pulse wave theory and the model of Windkessel .
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此外,还利用导出的关系式分析了心率、外周阻力的调节变化对系统开环增益的相对贡献及输入压力水平对增益效果的影响。
In addition , the relative contributions of heart rate and peripheral resistance change to G and the effect of input pressure level on G were also analysed .