[JW-HLC]

A US study this month shows dangers of using RBC's older than 7 days in critically ill patients:-

Extract

Conclusion: "Transfusion of packed RBC older than 7 days may contribute to hemorrheological disorders in critically ill patients."

Would this impact blood use in your field?

[KRVRN]

Yes. I work NICU and we frequently have the fathers donate a unit of blood for their baby. Then we just draw off whatever amount we want to transfuse the baby with. If it was thrown out after 7 days most of it would go to waste because its unlikely we'd use all of it that fast.