Platelets for Transfusion | American Red Cross
HLA-matched platelets are recommended for patients demonstrating immune-mediated platelet refractoriness. Platelets are shipped at room temperature with up to four units per box.
HLA-matched platelets dosing, indications, interactions, adverse ...
Medscape - Dosing for HLA-matched platelets, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information.
Why HLA Markers Matter for Platelet Transfusions
However, transfused platelets carry unique identifying markers, known as Human Leukocyte Antigens (HLA), that the recipient’s immune system may recognize as foreign.
Platelet transfusion refractoriness: how do I diagnose and manage?
Dec 4, 2020 · Platelets display class I HLA molecules, platelet-specific glycoproteins, and a low level of ABO on their surface membrane. These antibodies can bind to cognate antigens on the surface of …
Reducing the Need for HLA-Matched Platelet Transfusion
Jun 23, 2021 · Our results with this relatively simple regimen, if generalizable, suggest that the need for HLA-matched platelets could be reduced to close to zero if such procedures were universally adopted.
Increase in patient’s platelet count of <10 x 109/l at between 1 and 24 hours after the transfusion of an adult dose of ABO compatible platelets on two separate occasions
HLA Platelets: Function, Immunity, and Medical Role
Jul 30, 2025 · Despite lacking a nucleus, platelets express HLA Class I antigens on their surface, acquired from their megakaryocyte precursors. This expression of HLA Class I is a specific …
What are Matched Platelets? Understanding HLA Matching
Nov 9, 2025 · Learn what are matched platelets and why they are vital for patients with immune-mediated platelet refractoriness. Discover the HLA matching process and its benefits.
HLA-matched platelet transfusions are effective only in refractory ...
Background: Recipients of platelet transfusions with 1-hour corrected count increments (1hCCIs) of 7.5 or less on two subsequent platelet transfusions with random platelets may benefit from human …
HLA/HPA Selected Platelets - Canadian Blood Services
What is platelet alloimmunization? Platelet alloimmunization occurs when an individual has HLA and or HPA antibodies that cause the immune system to destroy incompatible platelets.