Other Post-Transfusion Tests

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The page below is a sample from the LabCE course The Disappearing Antibody: A Case Study. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Other Post-Transfusion Tests

The patient's post-transfusion plasma was also retested with the six red blood cell units that tested positive initially. Like the antibody panel performed on the post-transfusion plasma, all six units are now negative by gel IAT.
Unfortunately, the panel results with the patient's post-transfusion eluate are unclear (only cells #1 and #9 react), and the antibody remains unidentifiable.
The transfusion was stopped once the clinical staff was alerted to the presence of an unexpected antibody. However, suppose that the physician had decided to continue transfusing the patient at this stage. Take a moment to think about what you would advise regarding the compatibility of such transfusions, all of which appear to be compatible in the crossmatch.
When you have considered the options, continue to the next page.