Risks
Haemoglobin-based blood substitutes may increase the odds of deaths and heart attacks.
According to studies of outcomes of transfusions given to trauma patients in 2008, blood substitutes yielded a 30% increase in the risk of death and about a threefold increase in the chance of having a heart attack of for the recipients. More than 3,711 patients were tested in sixteen studies using five types of artificial blood. Public Citizen sued the U.S. Food and Drug Administration (FDA) to attain information on the duration of these studies which were found to have been conducted from 1998 until 2007. The FDA permits artificial blood transfusions in the USA without informed consent under a special exemption from requirements of informed consent during traumatic care.
Read more about this topic: Blood Substitutes
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