Difficulties in Determining Prophylactic Transfusion Thresholds of Platelets in Leukemia Patients

To the Editor: It was recently pointed out that platelet transfusion thresholds of 10,000 platelets/μL, as opposed to 20,000/μL, reduce platelet transfusions by approximately 20% in leukemic patients without increasing any major risk of bleeding.[1][1]Others[2][2] [3][3] have suggested that an