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Proteinuria in children infected with the human immunodeficiency virus
Aida I Chaparro1, Charles D Mitchell, Carolyn L Abitbol
1Department of Pediatrics, Division of Pediatric Infectious Diseases and Immunology, University of Miami, Miami, FL, USA.
Insights
Proteinuria affects one-third of children with human immunodeficiency virus (HIV). Effective viral load control through antiretroviral therapy improves kidney outcomes and survival rates in these children.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Public Health
Background:
- Proteinuria is a significant complication in children with human immunodeficiency virus (HIV).
- Longitudinal data on proteinuria progression in pediatric HIV cohorts are limited.
- Understanding renal disease progression is crucial for managing HIV-infected children.
Purpose of the Study:
- To determine the prevalence of proteinuria in a large cohort of children with HIV.
- To analyze the longitudinal progression of proteinuria during highly active antiretroviral therapy (HAART).
- To assess the impact of proteinuria on kidney function, mortality, and survival rates.
Main Methods:
- Retrospective cohort study of 286 children with HIV.
- Quantitative proteinuria assessment using urine protein to creatinine ratio (Upr/cr).
- Monitoring of viral load, lymphocyte profiles, kidney function, and mortality rates over an average of 5.6 years.
Main Results:
- 33% of children had proteinuria at baseline; 11.2% had nephrotic range proteinuria.
- Mortality rates were significantly higher in children with proteinuria.
- Improvement in proteinuria correlated with decreased viral load (r = 0.5; P < .01).
Conclusions:
- Controlling viral load with HAART appears to prevent the progression of HIV-associated renal disease.
- Effective HAART is associated with improved survival rates in HIV-infected children with proteinuria.
- Early detection and management of proteinuria are vital for pediatric HIV care.
Objectives:
To determine the prevalence of proteinuria in a large cohort of children infected with the human immunodeficiency virus (HIV) and their longitudinal progression during treatment with highly active antiretroviral therapy.
Study Design:
In a retrospective cohort study, 286 children infected with HIV were monitored with quantitative assays of proteinuria from January 1998 through January 2007, with monitoring of viral load, lymphocyte profiles, kidney function, and mortality rates. Proteinuria was quantitated by urine protein to creatinine ratio (Upr/cr).
Results:
Ninety-four (33%) had proteinuria at baseline. Of these, 32 (11.2%) had nephrotic range proteinuria (Upr/cr > or = 1.0). Initial screening was at 11 +/- 0.3 years of age, with an average follow-up of 5.6 +/- 0.1 years. The mortality rate was significantly greater in those with proteinuria. During the period of observation, 15 patients with nephrotic proteinuria died or had development of end-stage renal disease, and 16 showed improvement. Of those with intermediate range proteinuria (Upr/cr > or = 0.2 < 1.0), 3 progressed to nephrotic range proteinuria, and 39 (63%) showed resolution of the proteinuria (Upr/cr < 0.2). Improvement in proteinuria was correlated with decreasing viral load (r = 0.5; P < .01).
Conclusions:
Control of viral load with highly active antiretroviral therapy appears to prevent the progression of HIV-associated renal disease and improve survival rates in infected children.
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