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Found 7 results

  1. Our facility is evaluating making a change to our process for Weak D testing for patients with a positive DAT. For years, if we were required to do a Weak D, but the patient had a positive DAT, we used to cancel the Weak D as invalid. Another hospital in our system mentioned that they tended to perform the Weak D, but then only cancel as invalid if the Weak D is positive. We are thinking about changing to this process, as we now have to result many babies as "Rh Unknown" and give their mothers Rhogam. Per our Anti-D's package insert: "Red blood cells coated with alloantibodies or au
  2. We have recently switched from using the Ortho ProVue to the BioRad tango Optimo. With this, we have encountered some issues. The tango does not pick up Du on the routine ABO/Rh strip. The ProVue ABO/Rh card does. So, we have had a lot of discrepant Rh types since we have started using the tango. We use the Quotient D Blend as our serologic reagent, which does pick up Du at immediate spin, as well as Du & D6 at IAT. In the last week we have had two OB patients type as Rh negative both on the tango and at immediate spin with the Quotient D blend. On one patient, the nurse called and stated
  3. In your hospital, do you give rhogam to weakly D positive mothers without differentiating whether the mother is weak D or partial D?
  4. What are other people's institutions practices on the following. If you have a patient with an anti-D do you need to go ahead and carry out the D antigen typing on the patients rbcs through the IAT phase(weak D testing)? The AABB 18TH ed. Technical Manual states on pg. 327 "When the D type of a patient is determined, a weak D test is not necessary except to assess the red cells of an infant whose mother is at risk of D immunization." It then goes on to say under Identification of Antibodies to Red Cell Antigens pg.401 "Determining the phenotype of the autologous red cells is an important part
  5. Mother is O negative, baby is A negative. The DAT on the baby is positive, so the Weak D is inconclusive. According to the limitations of the FMH screen, if you have a weak d (which we don't know if it is or isn't because of the positive DAT) you must use a test to detect feto-maternal hemorrhage other than the screen. We send out a KB for this determination. However, the limitations also state that "in cases of ABO incompatibility between mother and child, the mother's natural ABO antibodies may destroy any fetal cells in the maternal blood specimen before testing is performed. This is t
  6. We started using the Provue in 2013. Currently when testing prenatal and maternal patients to determine if a patient is a candidate for RhIg immune globulin or Rhogam, we perform tube and weak D testing. Considering the AABB Std that weak D testing is not required, we looked at dropping it all together (except cords and neonatal testing), The Provue ABD gel card package insert says it will detect nearly all forms of D antigen so we are considering using the Provue result exclusively. A quick survey of other labs with Provues in our area shows most are still using weak D testing to various
  7. I realize the topic of Rh-discrepancies has been oft-discussed on these forums but I wanted to get an idea of what kinds of different policies are out there. A recent incident has brought this issue to a higher level of attention and we are looking at revising our current policy but before we do so, we'd like to find out how many other institutions have adopted something similar so we could feel comfortable that we'd fall under the umbrella of 'Generally Accepted Practice Standard.' A prenatal patient was typed at an outside facility on a Galileo and found to be Rh-negative. When the patient
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