Majority require ICU admission and mechanical ventilation 
Mean duration of mechanical ventilation 40 hours, upwards of 10 days 
Mean duration of mechanical ventilation 40 hours, upwards of 10 days
Transfusion-related acute lung injury
Acute
Transfusion-associated circulatory overload
Intravascular hemolytic tranfusion reaction
Transfusion-associated graft-versus-host disease
Febrile nonhemolytic tranfusion reaction
Immune reconstitution inflammatory syndrome
Allergic tranfusion reaction