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comment_86978

Any paper available that mentions low/high risk of DAT+ units in male patients? Thank you in advance 

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  • A few references you might find of interest: Management of Blood Donors and Blood Donations From Individuals Found to Have a Positive Direct Antiglobulin Test. Transfusion Medicine Reviews 2012. 

  • Malcolm Needs
    Malcolm Needs

    In the UK, NHSBT stopped performing a DAT routinely on donor units some time ago (when I was still working).  If a unit was found to be DAT positive through, for example, an incompatible cross-match,

  • Main practical issue from a transfusion perspective is a positive IAT XM. If RBC given via electronic issue you would be unlikely to ever know the unit was DAT positive. 

  • Solution
comment_86992

A few references you might find of interest:

Management of Blood Donors and Blood Donations From Individuals Found to Have a Positive Direct Antiglobulin Test. Transfusion Medicine Reviews 2012. Volume 26, Issue 2,  Pages 142-152,

Garratty G. The significance of IgG on red cell surface. Transfus Med Rev. 1987;1:47–57.

Petz LD, Garratty G. Immune Haemolytic Anaemias. 2nd ed. Philadelphia, PA: Churchill Livingstone; 2004.

  • 2 weeks later...
comment_87112

Main practical issue from a transfusion perspective is a positive IAT XM.
If RBC given via electronic issue you would be unlikely to ever know the unit was DAT positive. 

  • 2 weeks later...
comment_87214

I always figured that, if it was benign enough in the donor that they met donor requirements, it was likely to be relatively benign in the recipient. Not perfect, of course.

comment_87217

According to rgulations DAT+ Donors blood should not be used for patients and should be discarded or used for any other purpose 

not safe to use DAT+ RBCs

comment_87225

In the UK, NHSBT stopped performing a DAT routinely on donor units some time ago (when I was still working).  If a unit was found to be DAT positive through, for example, an incompatible cross-match, and the unit was returned to the supplier, the unit was tested, and then discarded, and the hospital reimbursed.  If considered necessary, the donor's GP was informed.

However, of course, it is almost certain that many DAT positive units were not discovered, and were transfused to a patient as a result of electronic issue.  I have NEVER heard of a patient having any serious clinical sequalae as a result of this practice.

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