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N-terminal pro-B-type natriuretic peptide (NT-proBNP) in HIV-1 infected individuals on HAART

T Berg1, D Zdunek, J Stalke

  • 1Medizinisches Labor Dr. Berg, Berlin, Germany.

European Journal of Medical Research
|May 19, 2007
PubMed

Insights

HIV patients on HAART show elevated NT-proBNP levels compared to blood donors, indicating potential cardiac strain. This finding supports increased cardiovascular event risk in HIV-infected individuals.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Biomarkers

Background:

  • Highly active anti-retroviral therapy (HAART) improves survival in HIV patients.
  • HIV-infected individuals face increased cardiovascular complications.
  • N-terminal pro-B-type natriuretic peptide (NT-proBNP) is a cardiac function indicator.

Purpose of the Study:

  • To compare NT-proBNP levels in HIV patients on HAART versus healthy blood donors.
  • To investigate the relationship between NT-proBNP levels and cardiovascular risk factors in HIV patients.

Main Methods:

  • Analyzed NT-proBNP levels in 495 HIV patients on HAART and 1980 blood donors using an electrochemiluminescence immunoassay (ECLIA).
  • Compared NT-proBNP levels across different age groups and genders.
  • Assessed correlations with cardiovascular risk factors, including GFR and CRP.

Main Results:

  • HIV patients exhibited significantly higher NT-proBNP levels than age-matched blood donors across most age groups.
  • Elevated NT-proBNP was observed consistently across age and gender groups.
  • NT-proBNP levels did not correlate with most cardiovascular risk factors in HIV patients, except for CRP.
  • No evidence of cardiotoxicity from HAART or specific antiretroviral drugs was found.
  • High NT-proBNP levels were noted in Hepatitis C virus (HCV) patients treated with alpha-interferon.

Conclusions:

  • HIV patients on HAART have elevated NT-proBNP, suggesting increased cardiac strain.
  • Higher prevalence of cardiovascular and HIV-associated risk factors may contribute to elevated NT-proBNP.
  • Findings align with increased cardiovascular event incidence in HIV-infected individuals.
  • Further research is needed to link NT-proBNP levels to cardiovascular outcomes in HIV.
Abstract

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