The importance of ABO in platelet refractoriness, an often overlooked option

ABO‐non‐identical (ni) platelets provide less of an increase in platelet count and may increase the length of patient transfusions. The paper by Han and Badami showed that ABO‐ni platelets may be a risk factor for immune platelet transfusion refractoriness. Commentary on: Han et al. ABO non‐identical platelet transfusions, immune platelet refractoriness and platelet support. Br J Haematol 2024;204:2097‐2102.