Transfusions of 'old' blood may harm some patients
Based on the new findings, the researchers recommend that the FDA reduce the maximum storage limit of red blood cells from 6 weeks to 5 weeks, as long as there are sufficient blood supplies available.

"Our recommendation will be controversial, but we think we have real data to support it," said the study's co-leader Steven Spitalnik, MD, professor of pathology & cell biology at CUMC and medical director of the clinical laboratories at NewYork-Presbyterian/Columbia. "Recent studies have concluded that transfusing old blood has no impact on patient outcomes, but those studies didn't exclusively examine the oldest blood available for transfusions. Our new study found a real problem when transfusing blood that's older than 5 weeks."


Read more at: http://medicalxpress.com/news/2017-01-transfusions-blood-patients.html#jCp

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