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Memorias del Instituto de Investigaciones en Ciencias de la Salud

On-line version ISSN 1812-9528


KASAMATSU, E et al. Glomerulopathies in Paraguay. Report of Registry of Renal Biopsies in 1072 cases. Mem. Inst. Investig. Cienc. Salud [online]. 2005, vol.3, n.1, pp.51-57. ISSN 1812-9528.

Renal biopsy is the main diagnostic method of glomerulopathies. The registry of renal biopsies is important to know the epidemiological and clinical and pathological situation of renal diseases of a country and the geographic variations between countries or continents. In order to know the current situation of glomerulopathies in our country, we studied 1,365 renal biopsies registered between August 1989 to June 2005 at the Pathology Department of the IICS, the reference center and the Renal Biopsy Registry of the country, analyzing histological and demographic aspects as well as the differences between five-year periods of study. On the total cases, 1,072 (75.5%) were glomerulopathies while secondary glomerulonephritis  (SGN) were more frequent (57.3 %) with 85.9% of lupus nephritis (LN) in contrast to most countries. Among primary glomerulonephritis (PGN), mesangioproliferative GN (MPGN) and membranoproliferative GN (MPGN) were predominant (39.8% and 28.2%) while IgA Nephropathy (IgAN) and Minimal Change Disease (ECM) were rare (1.9% and 1.3%). We did not observe significant changes of increases or decreases of histological types through the study periods in PGN as well as in SGN. The existence of this registry of renal biopsy was the base for the creation of the Paraguayan Registry of Glomerulopathies in 2004, which data are necessary to establish treatment and prevention programs of glomerular diseases in our country in order to decrease their progression to end-stage renal disease.

Keywords : Renal biopsies; Glomerulopathies; Registry; Paraguay.

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