Abstract
Background
Febrile urinary tract infections (fUTIs) are common after kidney transplantation (KTx); however, prospective data in a multicenter pediatric cohort are lacking. We designed a prospective registry to record data on fUTI before and after pediatric KTx.
Methods
Ninety-eight children (58 boys and 40 girls) ≤ 18 years from 14 mid-European centers received a kidney transplant and completed a 2-year follow-up.
Results
Posttransplant, 38.7 % of patients had at least one fUTI compared with 21.4 % before KTx (p = 0.002). Before KTx, fUTI was more frequent in patients with congenital anomalies of kidneys and urinary tract (CAKUT) vs. patients without (38 % vs. 12 %; p = 0.005). After KTx, fUTI were equally frequent in both groups (48.7 % vs. 32.2 %; p = 0.14). First fUTI posttransplant occurred earlier in boys compared with girls: median range 4 vs. 13.5 years (p = 0.002). Graft function worsened (p < 0.001) during fUTI, but no difference was recorded after 2 years. At least one recurrence of fUTI was encountered in 58 %.
Conclusion
This prospective study confirms a high incidence of fUTI after pediatric KTx, which is not restricted to patients with CAKUT; fUTIs have a negative impact on graft function during the infectious episode but not on 2-year graft outcome.
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Abbreviations
- AR:
-
Acute rejection
- CAKUT:
-
Congenital anomalies of the kidney and urinary tract
- CRP:
-
C-reactive protein
- DMSA:
-
Technetium-99m dimercaptosuccinic acid
- ESRD:
-
End-stage renal disease
- eGFR:
-
Estimated glomerular filtration rate
- fUTI:
-
Febrile urinary tract infection
- GPN:
-
Gesellschaft für Pädiatrische Nephrologie
- KTx:
-
Kidney transplantation
- SCr:
-
Serum creatinine
- VUR:
-
Vesicoureteral reflux
- VCUG:
-
Voiding cystourethrography
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Acknowledgments
This study was supported by the German Society of Pediatric Nephrology (GPN).
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The study was conducted according to the principles of the Declaration of Helsinki and was approved by the Ethics Committee of the Friedrich-Schiller-University Jena and the respective Ethics Committees of each contributing center. All patients were enrolled at time of listing for Eurotransplant after parental informed consent.
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The authors declare there are no conflicts.
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Friederike Weigel and Anja Lehnhardt contributed equally to this work.
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Weigel, F., Lemke, A., Tönshoff, B. et al. Febrile urinary tract infection after pediatric kidney transplantation: a multicenter, prospective observational study. Pediatr Nephrol 31, 1021–1028 (2016). https://doi.org/10.1007/s00467-015-3292-2
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DOI: https://doi.org/10.1007/s00467-015-3292-2