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2018 ; 2018
(ä): 9603453
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Characterization and Etiopathogenic Approach of Pediatric Renal Biopsy Patients
in a Colombian Medical Center from 2007-2017
#MMPMID30050696
Prada Rico M
; Rodríguez Cuellar CI
; Fernandez Hernandez M
; González Chaparro LS
; Prado Agredo OL
; Gastelbondo Amaya R
Int J Nephrol
2018[]; 2018
(ä): 9603453
PMID30050696
show ga
INTRODUCTION: Renal biopsy is the principal instrument to evaluate the diagnosis
and prognosis of children with kidney disease. There are relatively few studies
establishing epidemiology of its findings in the pediatric population. METHODS: A
descriptive study was conducted to describe characteristics of pediatric patients
who had undergone a renal biopsy over the last 10 years in a national reference
center, trying to accomplish an etiopathogenic approach of biopsy findings.
RESULTS: 241 patients were included. Most frequent indications were nephrotic
syndrome (34.1%) and systemic disease with renal involvement (30.2%). The most
prevalent biopsy diagnosis was glomerulonephritis (44%) and among these patients,
glomerulonephritis mediated by immune complexes was the most frequent pathogenic
type (90.5%). When the biopsy was indicated for proteinuria plus hematuria and
systemic disease with renal involvement, the most frequent biopsy diagnosis was
glomerulonephritis (60 and 85%, respectively). For isolated hematuria, the
predominant biopsy diagnosis was inherited diseases of the glomerular basement
membrane (70%) and for nephrotic syndrome, podocytopathy (82%).
Glomerulonephritis was more frequent in patients older than 10 yrs (65%) and the
rate of postbiopsy major complications was low (1.2%). CONCLUSION: Immune complex
glomerulonephritis was the most frequent histological finding, differing from
previous reports. To our knowledge this is the first description that classifies
biopsy findings according to the probable pathogenic mechanism.