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  • Title: An association of ABO non-identical platelet and cryoprecipitate transfusions with altered red cell transfusion needs in surgical patients.
    Author: Refaai MA, Fialkow LB, Heal JM, Henrichs KF, Spinelli SL, Phipps RP, Masel E, Smith BH, Corsetti JP, Francis CW, Bankey PE, Blumberg N.
    Journal: Vox Sang; 2011 Jul; 101(1):55-60. PubMed ID: 21414009.
    Abstract:
    BACKGROUND: Transfusion of ABO non-identical plasma, platelets and cryoprecipitate is routine practice even though adverse effects can occur. METHODS AND MATERIALS: Our hospital changed transfusion practice in 2005 and adopted a policy of providing ABO-identical blood components to all patients when feasible. We retrospectively compared the transfusion requirements, length of stay and in-hospital mortality in relation to ABO blood group in surgical patients who received platelet transfusions before and after this change to determine whether it resulted in any benefit. RESULTS: Prior to the change in practice, both group B and AB patients received more ABO non-identical platelet transfusion (P=0·0004), required significantly greater numbers of red cell transfusions (P=0·04) and had 50% longer hospital stays (P=0·039) than group O and A patients. Following the policy change, there was a trend for fewer red cell transfusions (P=0·17) and length of stay in group B and AB patients than group O or A patients. Overall, the mortality rate per red cell transfusion decreased from 15·2 per 1000 to 11·0 per 1000 (P=0·013). CONCLUSIONS: These results, in the context of previous findings, suggest that providing ABO-identical platelets and cryoprecipitate might be associated with reduction in transfusion requirements and improve outcomes in surgical patients.
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