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The Journal of Thoracic and Cardiovascular Surgery, Vol 69, 606-614, Copyright © 1975 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Variable-column bubble oxygenator. A new system for bubble oxygenation

OM Gomes, DS Conceicao, D Nogueira Jr, S Tsuzuky, D Bittencourt and EJ Zerbini

A new bubble oxygenator has been developed. Its main advantage is that the dimensions of the oxygenating chamber can be varied. Thus, the capacity for oxygenation may be adapted to different patients. It was used in 2,700 open-heart operations performed at the Institut do Coracao, Faculdade de Medicina, Universidade de Sao Paulo, between January, 1971, and December, 1973. A group of 50 patients were subjected to more detailed studies. We found that the average hemolysis was 38.67 mg. per cent with a mean perfusion duration of 69 minutes, 38 seconds. Fibrinogen and platelet concentrations decreased by 14 and 25 per cent, respectively. The pH, PcO2, PO2, and base excess before and after cardiopulmonary bypass ranged within normal levels, and oxygenation (PO2) was always satisfactory.


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 Ann. Thorac. Surg.Home page
R. Lima, F. A. Lucchese, D. M. Braile, and T. A. Salerno
A tribute to Euryclides de Jesus Zerbini, MD
Ann. Thorac. Surg., November 1, 2001; 72(5): 1789 - 1792.
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