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http://dx.doi.org/10.1097/00000542-200702000-00034 | DOI Listing |
Anesthesiology
May 2006
Department of Anesthesia and Cardiovascular Research Institute, University of California, San Francisco, USA.
Background: Erythrocytes are transfused to treat or prevent imminent inadequate tissue oxygenation. 2,3-diphosphoglycerate concentration decreases and oxygen affinity of hemoglobin increases (P50 decreases) with blood storage, leading some to propose that erythrocytes stored for 14 or more days do not release sufficient oxygen to make their transfusion efficacious. The authors tested the hypothesis that erythrocytes stored for 3 weeks are as effective in supplying oxygen to human tissues as are erythrocytes stored for less than 5 h.
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