Info
Platelets transfusion
- For plts <10k (NEJM 2010;362:600) due to chemo/abx.
- If <20k or if <50k w/ active bleeding.
- Variable pre-procedure.100k for neurosurgery. 1 U → ↑ plt ~30-60k.
- Single donor plt apheresis ↓ alloimmunization.
- Contraindic:
- TTP/HUS,
- HELLP,
- HIT.
- Refractory if ↑ <5k 30-60′ post-plts.
- Suggests consumption such as ITP, DIC, or alloimmunization → trial ABO-matched plts & give more.
- If still refractory ✓ panel reactive Abs to assess utility of HLA-matched plts.