Persistent post-transplant polyuria managed by bilateral native-kidney laparoscopic nephrectomy.
Polyuria is not considered an absolute indication for pre-transplant nephrectomy; however, it may complicate post-transplantation fluid management. Bilateral native-kidney laparoscopic nephrectomy was performed at our centre in two patients (four kidneys) 1 month after they had received a living related-donor renal transplant. The indication for nephrectomy was severe post-transplant polyuria secondary to the patient's underlying disease: juvenile nephronophthisis. Both patients had a persistent post-transplant daily urine output of 7-8 l/day and continued to have a variable serum creatinine level, dependent on intravenous hydration, more then 3 weeks after transplantation. Bilateral laparoscopic native-kidney nephrectomy in children has previously been reported. However, to the best of our knowledge, laparoscopic nephrectomy has not been described after kidney transplantation and certainly not in the immediate post-transplantation period. The procedure was well tolerated and did not affect renal graft function. In fact, following the procedure, serum creatinine levels stabilized, while daily fluid requirements decreased to 2.5-3.5 l/day in both patients. We concluded that bilateral native-kidney nephrectomy can be safely performed in paediatric renal transplant recipients in the immediate post-transplantation period. This new approach may allow preemptive transplantation and avoid the need for a transition period on dialysis in patients for whom pre-transplant nephrectomy is not absolutely indicated.[1]References
- Persistent post-transplant polyuria managed by bilateral native-kidney laparoscopic nephrectomy. Kravarusic, D., Sigalet, D.L., Hamiwka, L.A., Midgley, J.P., Wade, A.W., Grisaru, S. Pediatr. Nephrol. (2006) [Pubmed]
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