The Cribsiders S7 Ep151: Baby, Now We Got Good Blood! Pediatric Transfusion Medicine
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Sep 3, 2025 Dr. Rida Hasan, a pediatric hematologist and transfusion medicine expert from the University of Washington, shares her invaluable insights into the fascinating world of pediatric transfusions. She discusses why Type & Screen tests have a short expiration and unpacks the complexities of massive transfusion protocols in critical care. Rida also dives into the specifics of blood testing, the importance of donor demographics, and innovative practices that enhance patient safety. Join her as she navigates the challenges and joys of transfusion medicine!
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Type Versus Screen Timing
- A type and a screen are separate tests: the type identifies ABO/Rh and the screen detects unexpected alloantibodies.
- Type takes ~10 minutes while the antibody screen takes ~1 hour and positive screens add more testing time.
Follow Three-Day Screen Rule
- Order type-and-screens every three days for inpatients because antibody screens can convert from negative to positive during hospitalization.
- Use extended type-and-screen for stable outpatients up to 30 days if they have not been transfused, pregnant, or transplanted.
Activate MTP For Rapid Bleeding
- Activate the massive transfusion protocol (MTP) when you need blood within 5–10 minutes and cannot wait for a screen.
- Use MTP packs that deliver predefined ratios of red cells and plasma to prevent coagulopathy during massive bleeding.