Time for another BTLP-TACT exercise. It
presented me with one case – an eighty-five year old woman with appendicitis requiring
group and save.
She grouped as AB Rh(D) Positive with a
negative antibody screen.
It gave me the thumbs-down claiming I’d
said she was O… Seriously?
Rather fed up with the entire thing I
asked for another one. This time I got an eighty-seven year old woman in the
haematology clinic requiring group and save.
She grouped as O Rh(D) Positive with
antibody screen positive in cells 1 & 2.
I requested antibody panels. The IAT
panel was positive in cells 2, 3, 5, 7 & 9 which corresponded with anti- S
but did not exclude anti-E or anti-Lu(a)
The enzyme panel was negative which did
exclude anti-E (according to BTLP-TACT; not according to anyone who’s ever
worked in a blood bank…not that I’m sulking about getting the thumbs down
earlier).
Did this exclude anti-Lu(a)? Bearing in
mind that the NHSBT guidelines say to crossmatch patients with anti-Lu(a) by
IAT I’ll take this to say it does…
So we’ve got someone who is O Rh(D)
Positive with anti-S
This time I got the green light.
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