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March 13, 1967

Methods of Storage Of Whole Blood

Author Affiliations

Petoskey, Mich

JAMA. 1967;199(11):862. doi:10.1001/jama.1967.03120110134038

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To the Editor:—  "The Indications for Transfusion of Freshly Drawn Blood" by Harold A. Oberman, MD (199:93, 1967) is an excellent review of the clinical situations that require freshly drawn blood.Another currently available method of storing whole blood with no added acid-citrate-dextrose (ACD) solution is the use of the blood pack 500-ml ion exchange (Fenwal, JB2). This is a cationic ion exchange resin (sodium cycle) with no nutrient or buffer. The plastic column substitutes sodium ion for calcium ion. Blood so collected can be used for six days and is especially valuable in exchange transfusions in infants and in other patients when excess citrate and low calcium levels need to be avoided. The red blood cells, the platelets, the leukocytes, the coagulation factors, and the potassium and ammonium are at least comparable to that of ACD-stored blood.