HLA sensitization associated with previous kidney transplantation is a major drawback to retransplantation.

先前肾移植导致的HLA致敏是再次移植的利因。

The prospect of graft loss is a problem faced by all transplant recipients, and retransplantation is often an option when loss occurs.

移植的远景是在所有移植受体面前的一个问题，当发生的时候再移植通常是一个选择。