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Canadian Journal of Anesthesia, Vol 28, 180-181, Copyright © 1981 by Canadian Anesthesiologists' Society

Comparison of Two in-Line Blood Warmers

M. S. CHERRY M.D.1, G. H. HODGSON M.B., F.R.C.P.(C)1, and H. NOTTEBROCK 2

1 Department of Anaesthesia, University of Saskatchewan; Plains Health Centre, 4500 Wascana Parkway, Regina, Saskatchewan, S4S 5 W9
2 Department of Anaesthesia, Plains Health Centre, 4500 Wascana Parkway, Regina, Saskatchewan, S4S 5 W9

We compared a new blood warmer, the Gorman-Rupp DW-1OOOA Blood Fluid Warmer, with the blood warmer currently being used at our hospital (the Hemokinetitherm). Using dated stored whole blood, we compared the heating capacities of the two blood warmers at varying flow rates. We found that the Gorman-Rupp (DW-1OOOA) was capable of faster infusion rates than the Hemokinetitherm and could consistently heat the blood to a higher temperature. Maximum flow rates of the Hemokinetitherm using a pressure bag at 79.8 kPa (600 mm Hg) was 125 ml/min compared to a maximum infusion rate of 166 ml/min with the DW-1000A. The extent of blood warming at the maximum infusion rate was from 10.6° C to 28.5° C for Hemokinetitherm, compared with 10.6° C to 32.5° C for the DW-1000A. We conclude that the DW-1000A is superior to the blood warmer we have been currently using in both heating capabilities and maximum possible infusion rate.

Key Words: EQUIPMENT, blood warmers






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Copyright © 1981 by the Canadian Anesthesiologists' Society.