Intended for healthcare professionals

Letters Storage of transfused red blood cells

Transfusing fresh red blood cells might be dangerous

BMJ 2019; 366 doi: (Published 05 August 2019) Cite this as: BMJ 2019;366:l4968
  1. Neil Blumberg, physician in haematology and transfusion medicine
  1. University of Rochester—Transfusion Medicine, 601 Elmwood Avenue, Box 608, Rochester, NY 14642, USA
  1. neil_blumberg{at}

Trivella and colleagues present some caveats around the subject of duration of red cell storage and clinical outcomes.1 Studies have been widely interpreted as showing that transfusion is not associated with adverse clinical outcomes. I think this is a serious misinterpretation of the data.

In addition to the concerns raised by the …

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