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Absence of Decline of Kidney Function in Human Immunodeficiency Virus-Infected Patients Under Routine Clinical Management.

Absence of Decline of Kidney Function in Human Immunodeficiency Virus-Infected Patients Under Routine Clinical Management.
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Boucquemont J, Lawson-Ayayi S, Rigothier C, Bonnet F, Proust-Lima C, Neau D, Greib C, Miremont-Salamé G, Dabis F, Dupon M, Dauchy FA, ,


Boucquemont J, Lawson-Ayayi S, Rigothier C, Bonnet F, Proust-Lima C, Neau D, Greib C, Miremont-Salamé G, Dabis F, Dupon M, Dauchy FA, , (click to view)

Boucquemont J, Lawson-Ayayi S, Rigothier C, Bonnet F, Proust-Lima C, Neau D, Greib C, Miremont-Salamé G, Dabis F, Dupon M, Dauchy FA, ,

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Nephron 2017 04 26136(3) doi 10.1159/000467400

Abstract
BACKGROUND
Since the introduction of antiretroviral therapy (ART), human immunodeficiency virus (HIV)-infected patients have a drastically improved prognosis but at the same time they are also more affected by non-HIV related complications, such as chronic kidney disease. The objective of our study was to investigate the effect of proteinuria and tenofovir (TDF)-containing ART regimens on the temporal evolution of estimated glomerular filtration rate (eGFR).

METHODS
Between April 2008 and October 2012, we enrolled 395 patients with a complete renal evaluation among patients from the ANRS C03 Aquitaine cohort, a prospective hospital-based cohort of HIV-1-infected patients under routine clinical management in southwestern France. eGFR was estimated at each patient follow-up visit. A linear mixed model was used to analyze eGFR dynamics, accounting for change in TDF by modeling eGFR trajectory according to treatment periods.

RESULTS
At inclusion, 56.7% of patients were treated with TDF-containing ART regimens; prevalence of glomerular and tubular proteinuria was 7.9 and 10.8% respectively. A 1-year increase of cumulative exposure to TDF was significantly associated with a mean eGFR decrease of 1.27 mL/min/1.73 m2 (95% CI [-2.14 to -0.41]). Only a urine protein to creatinine ratio >100 mg/mmol and/or a urine albumin to creatinine ratio >70 mg/mmol were associated with eGFR trajectory (mean slope 6.18 mL/min/1.73 m2 per year; 95% CI [2.71 to 9.65]), whereas TDF use was not associated with such eGFR temporal evolution.

CONCLUSION
Decline in kidney function is limited under routine clinical management with monitoring of renal function and interventions including decision to continue or discontinue TDF.

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