Abstract
Acute kidney injury (AKI) due to rhabdomyolysis occurs because of renal ischemia or acute tubular necrosis due to the deposition of myoglobin casts in the renal tubules. Donors with AKI due to rhabdomyolysis are not contraindication for transplantation. However, the dark red kidney raises concerns about renal hypofunction or primary nonfunction after transplantation.
We report the case of a 34-year-old man with a 15-year history of hemodialysis for chronic renal failure due to congenital anomalies of the kidney and urinary tract. The patient received a renal allograft from a young woman who suffered cardiac death. The serum creatinine (sCre) level of the donor at the time of transport was 0.6 mg/dL, and renal ultrasonography revealed no abnormalities in renal morphology or blood flow. Her serum creatine kinase level increased to 57,000 IU/L 58 h after femoral artery cannulation, and sCre level worsened to 1.4 mg/dL, suggesting AKI due to rhabdomyolysis. However, since the urine output of the donor was maintained, the sCre elevation was thought to be nonproblematic. The allograft had a dark red appearance at the time of procurement. The perfusion of the isolated kidney was good, but the dark red color did not improve.
A 0-h biopsy showed flattening of the renal tubular epithelium and absence of the brush border and myoglobin casts in 30% of the renal tubules. Rhabdomyolysis-related tubular damage was diagnosed. Hemodialysis was discontinued on postoperative day 14. Twenty-four days after the operation, the transplanted kidney function progressed favorably (sCre 1.18 mg/dL), and the patient was discharged. Protocol biopsy 1 month after transplantation showed disappearance of myoglobin casts and improvement in renal tubular epithelial damage. The patient’s sCre level was approximately 1.0 mg/dL 24 months after transplantation, and he is doing well without complications.
S. Karger AG, Basel
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