Platelet transfusions are used to prevent bleeding in people with low platelet counts due to treatment-induced bone marrow failure | Cochrane

We evaluated the evidence about whether platelet transfusions given to prevent bleeding in people with lower platelet counts (for example 5 x 109/L or below) were as effective and safe as the current standard (10 x 109/L or below), or whether higher platelet count levels (20 x 109/L or below, 30 ...