| 阻抗法用于大鼠心排出量的测定及其评价 |
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| 引用本文： | 高广道,杜晓军,秦金,卢兴,杨继声.阻抗法用于大鼠心排出量的测定及其评价[J].西安交通大学学报(医学版),1984(3). |
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| 作者姓名： | 高广道 杜晓军 秦金 卢兴 杨继声 |
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| 作者单位： | 西安医学院病理生理教研室，西安医学院病理生理教研室，西安医学院病理生理教研室，西安医学院病理生理教研室，西安医学院病理生理教研室 |
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| 摘 要： | 用针电极插入皮下的方法,测定了54例戊巴比妥钠麻醉大鼠的心阻抗图94次,求得大鼠Cl值:雄鼠为290±7.2ml/min/kg,雌鼠为262±10.1ml/min/kg。并测得大鼠Q-Z为47.4±0.4msec,PEP/LVET为0.442±0.007。其中15隻雄鼠九天内连续测定三次心阻抗图,三次求得的CI值间无显著性差异(P>0.4～0.7)。另26例大鼠用阻抗法和电磁流量计两法测CI,两法测得CI值高度相关(r=0.85,P<0.0005)。
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| 关 键 词： | 阻抗心动图 大鼠 心排出量 收缩时间间期 |
The Measurement and Evaluation of the Cardiac Output in Rats by Impedance Cardiography |
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| Abstract: | By using needle-electrodes under the skin, 94 impedance cardiography were measured in 54 pentobarbital-aneasthetized rats. The following data were obtained: CI of male 290±7.2ml/min/kg, C Iof female 262±10.1ml/min/ kg, mean time of Q-Z of both sexes 47.4±0.4msec, PEP/LVET of both sexes 0.442±0.007. The impedance cardiography of 15 male rats were measured three times in nine days, there were no significant difference among CI values in the three measurements(P>0.4-0.7). The CI of other 26 rats were measured by impedance cardiography with control to electro- magnetic-flowmetry, the values obtained with the two methods were in good correlation (r=0.85, P<0.0005). Key words: Impedance cardiography; Rats; Cardiac outputs; Systolic time intervals |
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