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The Annals of Thoracic Surgery, Vol 47, 752-755, Copyright © 1989 by The Society of Thoracic Surgeons

ARTICLES

Use of an intraaortic balloon pump as a pneumatic ventricular assist device controller

DJ Macrae, B Glenville, T McCarthy, L Cooper, D Guerreiro and DN Ross
Department of Anaesthesia, Brompton Hospital, London, United Kingdom.

Using a circulatory analogue, we investigated sequentially the performance of a dedicated ventricular assist device driver and an intraaortic balloon pump when driving a pneumatic ventricular assist device. Each drive device was compared under identical pumping conditions at rates of 40 to 120 cycles/min against two resistances. Our preliminary study showed that a modified intraaortic balloon pump could drive a pneumatic ventricular assist device as effectively as its dedicated driver. The necessary modifications to and possible further development of the intraaortic balloon in this role are discussed.




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Copyright © 1989 by The Society of Thoracic Surgeons.