More than half of blood transfusions may do more harm than good, with some patients facing a six-fold greater risk of dying following surgery because of transfusions, doctors warn today.
Fears over the safety of blood transfusions have prompted some physicians to recommend they are used only as a last resort, with hospitals urged to be more selective over which patients receive blood. According to a report in New Scientist today, the National Institutes of Health, the US government's largest medical funder, has launched a review into the safety of the procedure. Bruce Spiess, a cardiac anaesthetist at Virginia Commonwealth University in Richmond, America, told the magazine: "Probably 40%-60% of blood transfusions are not good for the patients."
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