Changes of intraaortic balloon volume during pumping in a mock circulation system.
The effects of hemodynamic changes on intraaortic balloon (IAB) volumes were studied experimentally using a helium tachometer in a mock circulatory system. The IAB volume decreased with increases in the heart rate and mean aortic pressure, but the degree of reduction in the IAB volume was different among 4 commercially available IAB drivers. Improvements in IAB consoles are needed to compliment the progress made in percutaneous techniques for IAB insertion resulting in smaller balloons.
Sakamoto
T
T
Department of Cardiothoracic Surgery, School of Medicine, Tokyo Medical and Dental University, Japan.
Akamatsu
H
H
Swartz
M T
MT
Shoji
Y
Y
Kazama
S
S
Fujiyoshi
K
K
Hashiguchi
Y
Y
Suzuki
A
A
Miyashita
M
M
Arai
H
H
Suzuki
A
A
D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D001794:Blood Pressure / Q000502:physiology; D002302:Cardiac Output / Q000502:physiology; D003326:Coronary Circulation / Q000502:physiology; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D006973:Hypertension / Q000503:physiopathology; D007423:Intra-Aortic Balloon Pumping; D008954:Models, Biological; D013318:Stroke Volume / Q000502:physiology