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A decrease in albumin in early HIV type 1 infection predicts subsequent disease progression.

Susan M Graham1, Jared M Baeten, Barbra A Richardson

  • 1Department of Medicine, University of Washington, Seattle, Washington 98104, USA. grahamsm@u.washington.edu

AIDS Research and Human Retroviruses
|October 27, 2007
PubMed
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Lowering albumin levels after HIV-1 infection indicate faster disease progression. A significant decrease in albumin correlates with an increased risk of reaching a low CD4 count, highlighting its role as a potential early marker.

Area of Science:

  • Immunology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • Human Immunodeficiency Virus type 1 (HIV-1) infection is a global health concern.
  • Understanding early markers of disease progression is crucial for timely intervention.
  • Albumin, a key protein, plays a role in various physiological processes.

Purpose of the Study:

  • To investigate the association between albumin levels and HIV-1 disease progression.
  • To determine if changes in albumin predict faster progression to advanced HIV-1 disease.

Main Methods:

  • Prospective cohort study of 78 Kenyan women followed for a median of 70 months.
  • Monitored albumin levels from before HIV-1 acquisition through the early infection period.
  • Assessed progression to a CD4 count below 200 cells/mul and mortality.

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Main Results:

  • Median albumin decreased from 38.5 g/L to 36.8 g/L upon HIV-1 acquisition (p=0.07).
  • Hypoalbuminemia prevalence increased from 16% to 32% (p=0.02).
  • Each 1 g/L decrease in albumin associated with a 13% increased risk of CD4 <200 cells/mul (p=0.01).
  • A >10% albumin decrease linked to a 3.5-fold increased risk of CD4 <200 cells/mul (p=0.008).
  • Trends suggested increased mortality risk with greater albumin decrease.

Conclusions:

  • Decreased albumin levels following HIV-1 acquisition may serve as an early marker for rapid disease progression.
  • Changes in albumin could reflect underlying inflammatory or nutritional shifts associated with faster HIV-1 progression.
  • Further research is warranted to validate albumin as a prognostic biomarker in HIV-1 infection.