Many patients arrive at the University of Maryland's Shock Trauma Center bleeding profusely, their lives depending largely on whether doctors can stop the hemorrhaging and replace the lost blood.
But doctors at trauma units around the country use different blood mixtures when performing transfusions on patients because it has been unclear whether one combination worked better than another. No one had studied the issue extensively.
The results of a multi-hospital study released Tuesday in the Journal of the American Medical Association provide some clarity that researchers hope will lead to new protocols and save lives.
Funded by the Army, which hopes to apply its lessons...