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Canadian Journal of Anesthesia, Vol 22, 164-170, Copyright © 1975 by Canadian Anesthesiologists' Society

The Effect of pH and Blood Gas Correction on DPG and Plasma Potassium Content of Stored Blood

CHARLES L. WALTEMATH 1

1 Department of Anesthesiology, University of Oregon Medical School, Portland, Oregon 97201

During storage of CPD preserved blood, red cell DPG decreases and plasma potassium increases, the changes becoming more marked with increasing duration of storage. Correction of the blood gas and pH alterations of stored blood decreases plasma potassium and increases red cell DPG, but they do not return to normal except in blood stored less than seven days. There is a highly significant correlation between increasing red cell DPG and decreasing plasma potassium as the pH and blood gases of stored blood are restored to physiological range.






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Copyright © 1975 by the Canadian Anesthesiologists' Society.