Do You Really Need a DAT Again?

A DAT is a very common tool in the workup of a warmado antibody and when we surveyed our group almost 70 percent performed a DAT every time the IAT was positive. Once you establish that there's a warm auto antibody in the plasma and on the red cells through elution studies, particularly if the patient does not have any intervening transfusion between testing points that repeat elutions are are not necessary.