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Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
09:43

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice

Published on: June 8, 2022

Lupus nephritis in Puerto Rican children and adolescents

Tami O Tiamfook1, Ivonne Arroyo, Enid Del Valle

  • 1Harvard Medical School, Boston, MA, USA.

Boletin De La Asociacion Medica De Puerto Rico
|February 21, 2009
PubMed

Insights

Lupus nephritis in Puerto Rican children often presents as Type II glomerulonephritis. However, Type IV nephritis and the need for dialysis predict poor outcomes in pediatric lupus nephritis patients.

Area of Science:

  • Pediatric Nephrology
  • Rheumatology
  • Immunology

Background:

  • Lupus nephritis (LN) is a severe complication of systemic lupus erythematosus (SLE).
  • Pediatric LN carries a significant risk for poor patient and renal survival.
  • Clinical manifestations of LN in Puerto Rican children may differ from other populations, potentially due to environmental factors like sun exposure.

Purpose of the Study:

  • To characterize the clinical and histopathological features of lupus nephritis in children in Puerto Rico.
  • To identify predictors of patient and renal survival in this pediatric cohort.

Main Methods:

  • Retrospective review of medical charts of children diagnosed with lupus nephritis between 1987 and 2001 in Puerto Rico.
  • Analysis of histopathological findings and clinical outcomes.

Main Results:

  • Mesangial glomerulonephritis (Class II) was the most frequent histopathological finding.
  • A higher incidence of nephritis was observed in males (male:female ratio of 1:1.9).

Conclusions:

  • Histopathological evidence of Class IV nephritis and the requirement for acute dialysis at presentation are significant predictors of poor clinical outcomes, including end-stage renal disease (ESRD) or death.
  • These findings highlight the importance of early identification and aggressive management of severe lupus nephritis in pediatric patients.
Abstract

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