The effectiveness of transfusions of frozen red cells has presently been clearly demonstrated. The authors present their technique of preparation of these cells and their experience of this material in 51 cases of ECC. The results observed plead in favour of the notion that frozen-defrosted blood, combines the advantages of washed blood, freed from all plasma and cellular contaminants of fresh blood with preservation of the oxyphoric power. Going beyond the realm of ECC, the authors think that cryopreservation of blood should be applied to the majority of indications for transfusions.
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