Characterization and Etiopathogenic Approach of Pediatric Renal Biopsy Patients in a Colombian Medical Center from 2007-2017

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 characteristi...

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Bibliographic Details
Published in:International journal of nephrology 2018-01, Vol.2018 (2018), p.1-9
Main Authors: Prado Agredo, Olga Lucía, González Chaparro, Luz Stella, Fernandez Hernandez, Monica, Rodríguez Cuellar, Carmen Inés, Prada Rico, Mayerly, Gastelbondo Amaya, Ricardo
Format: Article
Language:English
Subjects:
Biopsy
Blood tests
Classification
Edema
Hospitals
Kidney diseases
Lupus
Microscopy
Nephrology
Pathology
Pediatrics
Systemic diseases
Ultrasonic imaging
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Summary: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.
ISSN:2090-214X
2090-2158
DOI:10.1155/2018/9603453