donnalander
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Everything posted by donnalander
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Confirming D on Rh positive units using Echo
donnalander replied to heathervaught's topic in Transfusion Services
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The transfusion service I worked at followed the AABB technial manual Method 2.9 Test for Weak D, Interpretation If the facility chooses to perform the test for weak D, and the result is clearly positive, the blood should be classified as D+. It is incorrect to report such red cells as being "D-, weak D" or "D-, Du." "Weak D" patients received Rh Positive blood; no RhIG was issued.
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At a facility I worked at in the past; we would do the inital full-panel work-up for a new antibody; thereafter, we would use a selected cell panel to rule-out, using only 1 homozygous cell (if possible); it became kind of a game "I can rule-out everything with only 3 cells". We also used expired cells; this process was never questioned by the FDA.
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Would you not have to perform a KHB to determine the extent of the fetal-maternal bleed (as the rosette testing would be positive)? Also, please correct me if my aged brain has failed me and I am wildly off base, wouldn't the RhIG attach to the maternal partial D? I don't see how this wouild provide any type of protection.
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Ours uses a cooler made by "Golden Hour" called the Credo."; apparently this technology was developed for military transport. It is validated for 24 hrs; I believe there are several variations of this cooler. Google "Golden Hour Blood Container".
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Directed Donors for Neonatal Transfusions
donnalander replied to tlorme's topic in Transfusion Services
Where I worked previously, a donor must have donated 3 units before they were considered for neonatal use (O Neg, CMV neg donors only). I've always had issues with directed donations in that donors (who are approved by patient/family) may not be as forthcoming with their donor histories as a non-directed donor; who wants to tell Aunt Sally that you could not donate for Uncle John because you were deferred for possible HIV or Hep exposure. I'm not saying that this is the case for all directed donors, but it is more likely to happen due to familial pressure. -
There is a large hosptial, ~ 70 miles from our facility; they keep a helicopter here and also provide us with 4 units of O Neg blood (they switch it out on a weekly basis). The large hospital provides a log to "sign out" the units when needed, and a cooler that has been validated for 24 hours; it is called the Credo Cube and utilizes Golden Hour technology. The process works well, we've had only rare problems with it (units out >24 hrs).