The influence of pretransplant transfusions, using different blood products, on patient sensitization and renal allograft survival.
An analysis of data collected during the South Eastern Organ Procurement Foundation (SEOPF) Prospective Study from 1977-1982 was performed to identify the relative effects of different blood products on patient sensitization and graft survival in cadaveric donor renal transplant recipients. More than 2700 primary and 800 regrafted patients from 40 transplant centers were included in this study. A significant increase in actuarial graft survival was seen in primary recipients who had pretransplant transfusions with only frozen blood (P less than 0.003), washed blood (P less than 0.0005), packed blood (P less than 0.0001), or any combination of blood products (P less than 0.002) as compared with those who received no transfusions. No blood product was found to provide a significantly greater increase in graft survival than any other blood product. Likewise, regrafted patients had significant and equivalent increases in graft survival associated with each type of blood product examined. The increased graft survival associated with each blood product was the result of decreased graft rejection, and not apparently related to other differences among patients receiving different types of blood. Furthermore, the type of blood used in pretransplant transfusions did not significantly influence the degree of patient sensitization for first-graft recipients, although regrafted recipients who received packed blood or a combination of blood products showed a slightly greater degree of sensitization than those who received only frozen or washed blood. First-graft recipients given packed or mixed blood had a small, statistically insignificant increase of hepatitis B virus (HBV) antigenemia, compared with those receiving frozen, washed, or no blood. Regrafted patients given any type of transfusion had a 3-4-fold increased incidence of HBV antigenemia as compared with nontransfused patients, but this difference also was statistically not significant. These findings suggest that the benefits of increased graft survival and the risks of sensitization or HBV infection associated with pretransplant transfusions are not significantly affected by the type of blood used.
Sanfilippo, F; Vaughn, WK; Bollinger, RR; Spees, EK
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