CARDIOVASCULAR-RESPONSES TO EXTERNAL COUNTERPULSATION - A COMPUTER-SIMULATION

被引：30
作者：
BAI, J
YING, K
JARON, D
机构：
[1] DREXEL UNIV,INST BIOMED ENGN & SCI,PHILADELPHIA,PA 19104
[2] TSING HUA UNIV,DEPT ELECT ENGN,BEIJING 100084,PEOPLES R CHINA
[3] OHIO STATE UNIV,CTR BIOMED ENGN,COLUMBUS,OH 43210
来源：
MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING | 1992年 / 30卷 / 03期
关键词：
CARDIOGENIC SHOCK; DIASTOLIC AUGMENTATION; EXTERNAL COUNTERPULSATION; HEART FAILURE;
D O I：
10.1007/BF02446970
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A mathematical model of the human cardiovascular system is presented which includes a simulation of cardiac assistance by external counterpulsation. The model was established to study the effects of external counterpulsation on cardiovascular haemodynamics. The closed simulation includes both the left and the right heart and the pulmonary circulation. The model is able to provide data for the behaviour of the system under varying modes of assistance. Our results suggest that control of external counterpulsation is more difficult than control of the intra-aortic balloon pump and requires regulation of a larger number of variables. The results also suggest that a tradeoff exists between improved oxygen delivery to the heart and reduction in the oxygen consumption of the myocardium, an observation similar to that reported for the intra-aortic balloon pump.
引用
收藏
页码：317 / 323
页数：7
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