Fludrocortisone-a treatment for tubulopathy post-paediatric renal transplantation: a national paediatric nephrology unit experience

S. R. Ali, I. Shaheen, D. Young, I. Ramage, H. Maxwell, D. A. Hughes, D. Athavale, M. G. Shaikh

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5 Citations (Scopus)
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Abstract

Calcineurin inhibitors post-renal transplantation are recognized to cause tubulopathies in the form of hyponatremia, hyperkalemia, and acidosis. Sodium supplementation may be required, increasing medication burden and potentially resulting in poor compliance. Fludrocortisone has been beneficial in addressing tubulopathies in adult studies, with limited paediatric data available. A retrospective review of data from an electronic renal database from December 2014 to January 2016 was carried out. Forty-seven post-transplant patients were reviewed with 23 (49%) patients on sodium chloride or bicarbonate. Nine patients, aged 8.3 years (range 4.9-16.4), commenced fludrocortisone 22 months (range 1-80) after transplant and were followed up for 9 months (range 2-20). All patients stopped sodium bicarbonate; all had a reduction or no increase in total daily doses of sodium chloride. Potassium levels were significantly lower on fludrocortisone, 5.2 vs 4.5 mmol/L, P = .04. No difference was noted in renal function (eGFR 77.8 vs 81.7 mL/min/1.73 m2 , P = .45) and no significant increase in systolic blood pressure (z-scores 0.99 vs 0.85, P = .92). No side effects secondary to treatment with fludrocortisone were reported. A significant proportion of renal transplant patients were on sodium supplementation and fludrocortisone reduced sodium supplementation without significant effects on renal function or blood pressure. Fludrocortisone appears to be safe and effective for tubulopathies in children post-transplantation.

Original languageEnglish
JournalPediatric Transplantation
Early online date18 Jan 2018
DOIs
Publication statusE-pub ahead of print - 18 Jan 2018

Keywords

  • bicarbonate
  • chloride
  • fludrocortisone
  • paediatrics
  • renal replacement therapy
  • renal transplantation
  • tubulopathy
  • sodium

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