Delayed acute renal failure in post-transplant period in young children from unexplained etiology

Abhay Vats, Michael Mauer, Barbara A. Burke, Robert A. Weiss, Blanche M Chavers

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Abstract

This report describes six young children (5 male) who developed delayed acute renal failure (DARF) in the early post-kidney-transplant (Tx) period in the absence of acute rejection (AR) or other diagnosable conditions. These young children, aged 16.5 ± 3.1 (12-21) months [mean ± SD, (range)] and weighing 8.5 ± 1.7 (7.1-11.4) kg received a primary renal Tx (5 living-related donor, 1 cadaver) between 1984 and 1992. Immunosuppression included prednisone, azathioprine, and Minnesota antilymphocyte globulin (MALG, n = 5); one patient received cyclosporine and no MALG. Initially, all patients had good urine output (UO). They became systemically ill and abruptly developed diminished UO on post-operative day (POD) 6.5 ± 1 (4-8). DARF was accompanied by fever (39.1-40.4°C, n = 6), thrombocytopenia (platelets < 100,000/mm3, n = 6), leukocytosis, or leukopenia (white cell count > 20,000/mm3, n = 4 or < 1000/mm3, n = 1). Four patients had diarrhea. Three had ascites and one was surgically explored for suspected urinary leak. None showed significant urinary obstruction by renal ultrasound. Renograms showed intact blood flow. Renal biopsy showed tubular ectasia (n = 6), vascular congestion (n = 5), focal glomerular endothelial swelling (n = 4), and capillary thrombi (n = 3). None showed AR. Five patients required dialysis for 11 ± 4 (7-15) days. All patients survived. One patient, treated for suspected AR with the monoclonal antibody OKT3, developed shock and lost her graft on POD 12 due to vascular thrombosis. Penal functional recovery in the remaining five patients took 14 ± 5 (6-20) days and their serum creatinine at discharge was 0.7 ± 0.5 (0.3-1.6) mg/dl. We report DARF from undetermined etiology occurring in the first 2 weeks of renal Tx in young children. Treatment is supportive care including dialysis. Recognition of this complication will help avoid risky investigations or unnecessary treatment for rejection.

Original languageEnglish (US)
Pages (from-to)531-536
Number of pages6
JournalPediatric Nephrology
Volume11
Issue number5
DOIs
StatePublished - Oct 1 1997

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Acute Kidney Injury
Transplants
Kidney
Blood Vessels
Dialysis
Thrombosis
Urine
Muromonab-CD3
Pathologic Dilatations
Antilymphocyte Serum
Living Donors
Azathioprine
Prednisone
Cadaver
Ascites
Thrombocytopenia
Immunosuppression
Cyclosporine
Diarrhea
Shock

Keywords

  • Delayed acute renal failure
  • Post-transplant period
  • Unexplained etiology

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Delayed acute renal failure in post-transplant period in young children from unexplained etiology. / Vats, Abhay; Mauer, Michael; Burke, Barbara A.; Weiss, Robert A.; Chavers, Blanche M.

In: Pediatric Nephrology, Vol. 11, No. 5, 01.10.1997, p. 531-536.

Research output: Contribution to journalArticle

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