Relative Contribution of Morphometric and Functional Indicators of Tubulointerstitial Lesion to Glomerular Diseases Prognosis

Autor: Gianna Mastroianni Kirsztajn, Rogério Barbosa de Deus, Vicente de Paulo Castro Teixeira
Rok vydání: 2008
Předmět:
Zdroj: Nephron Clinical Practice. 110:c164-c171
ISSN: 1660-2110
DOI: 10.1159/000166992
Popis: Background: Early diagnosis of proximal tubular lesions can be achieved by detecting abnormal levels of low molecular weight proteins in urine. Material and Methods: 100 cases of glomerulopathies were retrospectively studied to establish the profile of urinary levels of retinol-binding protein (urRBP) and their correlation with histological markers of tubulointerstitial lesions in renal biopsies. The histological study included staining with picrosirius red. Results: Nonproliferative glomerulopathies, male sex, white race and young adults were predominant. The chance of abnormal urRBP occurring was higher among patients with a predominant proliferative component, baseline serum creatinine >1.2 mg/dl (p = 0.008), creatinine clearance Conclusion: Our study suggests that urRBP determination is prognostically relevant in the progression of glomerulopathies; on the other hand, the evaluated morphometric markers correlated poorly with the clinical outcome of these patients. Consequently, urRBP determination, as a functional marker of tubulointerstitial damage, was more appropriate for determining the prognosis of glomerular diseases than the morphometric analysis of renal biopsies.
Databáze: OpenAIRE