• P R Sohmer, G L Moore, E Beutler, and C C Peck.
• Transfusion. 1982 Nov 1; 22 (6): 479-84.

AbstractThe marginal viability of erythrocytes stored for 35 days as red blood cell concentrates in citrate-phosphate-dextrose-adenine-one (CPDA-1) was attributed to inadequate nutrient support with adenine and glucose. In an effort to improve the viability of red blood cells following extended storage, a new CPD-adenine and 1.4 times more glucose than CPDA-1. The efficacy of CPDA-2 was evaluated in vivo by measurement of 24-hour postinfusion recovery of 51Cr-labeled erythrocytes which had been stored as whole blood or red blood cell concentrates for 5 to 8 weeks. All red blood cell concentrates, and the whole blood units stored for 35 and 42 days, were held at room temperature for 8 hours prior to processing and/or refrigeration. CPDA-2 yielded significantly higher 51Cr survivals than CPDA-1 and exceeded the accepted criterion for anticoagulant preservative efficacy of 70 percent postinfusion survival of red blood cells after storage for a period of 42 days. Preliminary data supports possible usage to 49 days. Plasma glucose and red blood cell ATP concentration were maintained better in CPDA-2 than in CPDA-1. When compared to historical controls for CPD and CPDA-1 the data suggest that red blood cells stored in CPDA-02 will have superior viability throughout the entire storage period. CPDA-2 is a candidate to replace CPDA-1 as the anticoagulant-preservative solution of choice for red blood cell concentrates.

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