Renal Involvement in Childhood VasculitisÇakar N. · Özçakar Z.B. · Soy D. · Uçar Y. · Fitöz S. · Kara N. · Uncu N. · Atakan C. · Ekim M. · Yalçınkaya F.
aMinistry of Health Dıskapı Children’s Hospital, Division of Pediatric Nephrology, bAnkara University School of Medicine, Division of Pediatric Nephrology, and cAnkara University School of Medicine, Department of Radiodiagnostic, Ankara, Turkey
Background/Aims: Renal involvement comprises one of the major organ involvements in childhood vasculitis and has also an important role in the long term prognosis. The aim of this retrospective study was to analyze the demographic, clinical, laboratory features, and the treatment modalities of patients with vasculitis who had renal involvement. Methods: Patients with the diagnosis of vasculitis who had been followed in two pediatric nephrology centers between 1990 and 2005 were analyzed retrospectively.Patients with renal involvement were selected and further evaluated. Results: The study population consisted of 152 of 816 patients with vasculitis. Renal involvement was seen in 134 patients (17%) with Henoch-Schönlein purpura(HSP), 14 patients (45%) with polyarteritis nodosa(PAN), 3 patients with Takayasu arteritis (TA) (50%) and in 1 Wegener granulomatosis (WG) patient.Themean age of patients with renal involvement was 9.2 ± 0.91 years in the HSP group. Hematuria with proteinuria was the most common renal finding and joint manifestations were seen less in this group. During the follow-up, only 1 patient developed chronic renal failure. Proteinuria, hematuria and aneurysms were seen in 26, 35 and 57% respectively in the PAN group. Only 1 patient (3.2%) had developed chronic renal failure.All 3 patients with TA had bilateral renal arterial involvement. Conclusion: Renal involvement constitutes an important part of childhood vasculitides. With the institution of early and aggressive immunosuppressive treatment significant improvement in the long-term survival of these patients can be achieved.
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