Hemodynamic study of external counterpulsation with left and right cardiac catheters in 15 cases
Sun, J.
Zhonghua Xin Xue Guan Bing Za Zhi 19(6): 375-7 398
1991
ISSN/ISBN: 0253-3758 PMID: 1821355 Document Number: 368780
The hemodynamic changes of 15 cases during external counterpulsation with left and right cardiac catheters were reported. The results showed that the diastolic pressure at the root of the aorta was remarkably increased, the peak value (countercurrent pressure) was 8.02 .+-. 2.05 kPa higher than the diastolic pressure before counterpulsation; the aortic systolic pressure during counterpulsation was slightly decreased with a mean value of 0.81 kPa; there was no apparent change in the central venous pressure and pulmonary arterial pressure; pulmonary arterial wedge pressure was slightly reduced during counterpulsation. All the above data are useful in showing the improvement of cardiac and brain perfusion volume and clarifying its mechanism.