Prognosis, treatment and outcome of childhood mesangiocapillary glomerulonephritis

JC Cansick, R Lennon, Carole Cummins, Alexander Howie, ME McGraw, M Saleem, EJ Tizard, Sally-Anne Hulton, David Milford, Christopher Taylor

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30 Citations (Scopus)

Abstract

BACKGROUND: Prognostic factors and outcome are incompletely known in childhood mesangiocapillary glomerulonephritis (MCGN). This study aimed to correlate renal outcome with clinical and histopathological variables. METHODS: We conducted a two-centre retrospective analysis of children with MCGN. RESULTS: Fifty-three children presented at a mean age of 8.8 years (range: 13 months-15 years). They were followed for a median of 3.5 years (range: 0-17 years). Histological classification identified 31 type 1, 14 type 2, two type 3 and six undetermined type. Mean renal survival [time to end-stage renal failure (ESRF)] was projected to be 12.2 years [confidence interval (CI): 9.7-14.6 years]. Five and 10 year renal survival was 92% (CI: 88-100%) and 83% (CI: 74-92%), respectively. Those with nephrotic syndrome at presentation had mean renal survival of 8.9 years (CI: 7.1-10.7 years) vs 13.6 years for those without (CI: 10.8-16.5 years) (P = 0.047). The mean estimated glomerular filtration rate (eGFR) at 1 year in those who progressed to ESRF was 52 vs 98 ml/min/1.73 m2 in those who did not (P <0.001). Chronic damage scored on the first biopsy in 31 children (one centre) was positively associated with adverse renal outcome at 5 years: or =20% with 71% 5-year renal survival (P = 0.006). In 29 children treated with steroid there was a higher proportion (76%) with reduced eGFR at presentation and a significantly higher incidence of nephrotic syndrome (P = 0.002) and hypertension (P = 0.037). There were no significant differences in outcome eGFR, hypertension or proteinuria. CONCLUSIONS: Nephrotic syndrome at presentation and subnormal eGFR at 1 year were adverse features. The finding that structural disease at onset predicted poor renal outcome at 5 years has implications for the design of therapeutic trials. Treatment of MCGN was variable and not evidence-based.
Original languageEnglish
Pages (from-to)2769-2777
Number of pages9
JournalNephrology, Dialysis, Transplantation
Volume19
Early online date22 Sep 2004
DOIs
Publication statusPublished - 22 Sep 2004

Keywords

  • treatment
  • renal survival
  • prognostic factors
  • childhood
  • mesangiocapillary glomerulonephritis
  • chronic renal damage

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