Henry Ford Hospital Medical Journal


To assess the performance of the new Galen bubble oxygenator, two groups of 10 female mongrel dogs underwent three hours of total cardiopulmonary bypass. Adequate oxygenation and tissue perfusion as well as low hemolysis were demonstrated in both groups. Platelets were lower than the control in both groups due partly to hemodilution. Calculation of calorie transfer rate during cooling and rewarming demonstrated that the Bentley heat exchanger was more efficient. However, since water flow rate through this unit is limited, the net performance of the Galen was slightly better.



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