Blood platelets in stored blood do not remain functional after
Platelet concentrates Volume :50ml Platelets are the only blood products which are stored at room temperature, 20-24 degC (Survival is 4-5 days) 1 unit of platelet increases the count by 5000-10000 The threshold for prophylactic platelet transfusion is 10000 /uL For invasive procedures, 50000/uL platelets is the usual target level Platelet count should be 1,00,000/uL before accepting the patient for surgery Transfused platelets generally survive for 2-7 days following transfusion ABO compatibility is desirable but not necessary Blood platelets in stored blood are non functional after 24 hours Ref: Harrison's 19th edition pgno: 953 Sabiston 20th edition pgno:588
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General anatomy