Specificity of 136 patient's antibodies to human red blood cells in Dr. Max Peralta J Hospital Blood Bank 2004-February 2009.

The development of alloantibodies and erythrocyte autoantibodies complicates transfusion therapy. The antibodies detection of potential clinical significance in 136 samples of Dr. Max Peralta J Hospital Blood Bank patients, Cartago, Costa Rica between 2004 and February, 2009 were evaluated. Transfusion of phenotypically matched blood for Rh and Kell systems proved to be effective in preventing alloimmunization because it been found in this study that there is good evidence that a high proportion of antibodies produced in response to transfusion are Rh and K specificity.