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Mabel Adams

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Mabel Adams last won the day on September 19 2018

Mabel Adams had the most liked content!

About Mabel Adams

  • Rank
    Seasoned poster
  • Birthday April 23

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  • Gender
    Not Telling
  • Interests
    Gardening, miniatures, crafts
  • Biography
    An Oregonian that lived in Idaho for 25 years. Got my SBB in 1998. Moved back to Oregon in 2008.
  • Location
    Bend OR
  • Occupation
    Blood Bank Supervisor
  • Real Name
    Mabel Adams

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  1. Mabel Adams

    Plasma Purchasing Companies

    I wonder if places that are starting to stock whole blood for MTPs end up needing to pack the units toward the end of their dating and thus have plasma they would like to sell also. Back in the days of whole blood in the 80s that was a normal thing but rules weren't so tight then either.
  2. Mabel Adams

    Elution on DAT positive Neonates

    Same as AMcCord. To BankerGirl's point: I have tried to convince our neonatologists that they don't need to do routine cord workups on O pos moms but have made no traction. It is in their national guidelines as an option and they are more comfortable keeping it.
  3. Mabel Adams

    Ever seen mixed field D typing (not transfused)?

    Also, do you have any references to help me make sure I understand the mosaic mechanism vs. chimera? If I follow you, chimeras would have a mixed red cell population from the embryo stage but a mosaic might have had a spontaneous mutation in a red cell precursor line at a later time. Is that right? Is this similar to how it works for people whose D antigens weaken with leukemia?
  4. Mabel Adams

    Ever seen mixed field D typing (not transfused)?

    Are you referring to the Alba Partial D kit?
  5. Has anyone ever seen a mixed field (both Ortho MTS gel and tube using Quotient/Alba Anti-D blend at IS) D type in someone not recently transfused? A recent prenatal sample showed this result but medium resolution molecular testing showed normal Rh genetics. Ultrasound reportedly was fine with one baby. The molecular lab says we should still consider the patient Rh negative because she is not Type 1, 2 or 3 Weak D but she has an unusual serologic type. We could order the high resolution testing for RHD-cDNA for another $750. I would like to hear of others' experience with something like this to better understand what the additional testing might tell us. Apparently it won't tell us if she is a chimera but would identify any mutations in the RHD gene. but would we then know if she could make anti-D?
  6. Mabel Adams

    Sample Age for 28 week antenatal RHIG injection

    I think the antibody screen done at 28 weeks is to make sure that the current pregnancy will not likely be affected by HDFN. A secondary effect is to know not to give RhIG if already clearly sensitized. The OB guidelines in the US don't require testing at 28 weeks; they can just give the RhIG. Based on those points, I would not see a need to have the injection time tied to the testing date. I guess I would want a screen after, say, 25 weeks if they are doing one at all if it is to serve to predict the likelihood of HDFN. We detected an anti-D in recent years on the 28 week sample of a first pregnancy and the baby was very affected by HDFN after born at 35 6/7 weeks.
  7. Maybe you can identify 3 employees who meet the typing criteria willing to give you blood when you need it. Might be some regulatory hurdles to that nowadays though.
  8. Mabel Adams

    Rh Pos or Rh Neg?

    I think I recall this number is more like 60%, although maybe that was of those transfused, not pregnant.
  9. Mabel Adams

    Questionable blood types

    What we do might depend on if I am here and see the reactions or if I am handling it by phone at 2 AM. I have had calls where what I heard them ask was not what I found when I got to work the next day.
  10. Mabel Adams

    Who signs the emergency release documentation?

    We scan them into the chart and keep the original copy in blood bank for those still done on paper. Now we mostly use the documentation in the EMR as the "signed" record.
  11. Mabel Adams

    Questionable blood types

    If the forward type were at all weak, I would worry more about a false positive there which would be a problem but with a 4+ the forward type is more accurate. What we often do is call the patient A pos (this keeps the computer happier for one thing) but give O blood (put a note/special need in the computer to give O blood for now). Once we type this patient several different times this way, we might be willing to give A blood. If it's not going to deplet the O blood supply, we might stay with O.
  12. Mabel Adams

    Bombay H/H1?

    If your patient doesn't type as O, then the old card can't mean anti-H. And a Bombay patient wouldn't lose their anti-H and have a negative screen now either, I don't think. Anti-HI (sometimes written IH) could likely have been identified back in the 80's when some places still did more room temperature testing. Anti-HI might have interfered then but with a negative screen you needn't worry about it now. The anti-Fya needs to be honored, of course.
  13. Mabel Adams

    Bombay H/H1?

    Could that be IH or HI?
  14. Mabel Adams

    FDA Question

    We issue only group O red cell products to patients for whom we have only one blood type on record. Although I have never seen the FDA look at that aspect of our procedures.
  15. Mabel Adams

    Rh Pos or Rh Neg?

    Category III partial D's are known to type just like regular D positives but are capable of making anti-D right? There is no perfect test for who can make anti-D and the nomenclature is a confusing mess!
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