Renal failure after the transplantation of a nonrenal organ complicates medical management, leading to increased morbidity and mortality.The incidence of chronic renal disease among recipients of nonrenal transplants varies widely, from 10 to 83 percent, most likely owing to the lack of a standard definition of post-transplantation renal disease, differences in the types of transplantation studied, and variable periods of follow-up. Furthermore, occurrences of reversible postoperative acute renal failure are included in some reported estimates.