Heart surgery patients put in danger by using 14-day-old blood - The Times 24th March 2008

Thousands of heart surgery patients may be at risk from transfusions of blood that has been stored for two weeks or more. A study of more than 9,000 patients in the US has shown that those given blood more than 14 days old are 65 per cent more likely to die before discharge, and 50 per cent more likely to die within a year.

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