“…This decrease may have been induced by immunosuppressive medications, as also described by Souza, 2008. The results for the 6th month indicate that the patients who showed an increase in the PRA percentage (11.65% for class I and 3.88% for class II) require greater attention and closer follow-up in the post-transplant period. According to the study by Lee et al, 2004, these patients are most susceptible to developing acute rejection and to lose the graft, since high PRA levels are associated with rejection processes, incorrect use of immunosuppression, or failure of the transplanted organ to function due to an immediate response of the antibodies (PARAJULI, et al, 2017).…”