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CD4/CD8 Ratio as a Predictor for the Occurrence of Metabolic Syndrome in HIV / AIDS Patients During 6 Months of cART
Refet Gojak1, Vesna Hadžiosmanović1, Rusmir Baljić1
1University Clinical Centre Sarajevo, Clinic for Infectious Diseases, Sarajevo, Bosnia and Herzegovina.
Insights
The CD4/CD8 ratio can predict metabolic syndrome (MetS) in HIV patients on cART. A lower ratio indicates a higher risk of developing MetS, offering a valuable prognostic marker.
Area of Science:
- Immunology
- Metabolic Health
- HIV/AIDS Research
Background:
- HIV infection causes CD4+ T cell depletion and CD8+ T cell expansion.
- The CD4/CD8 ratio, a marker of immune aging, is increasingly relevant in HIV outcomes.
- Metabolic syndrome (MetS) is a growing concern for HIV-positive individuals on combination antiretroviral therapy (cART).
Purpose of the Study:
- To investigate the predictive power of the CD4/CD8 ratio for MetS development in HIV patients receiving cART.
- To identify key immunological and clinical factors associated with MetS in this population.
Main Methods:
- Retrospective case-control study of 80 HIV/AIDS patients.
- Flow cytometry to determine CD4+ and CD8+ T cell percentages.
- Evaluation of biochemical, immunological, and anthropometric parameters, alongside cART regimen.
Main Results:
- MetS was diagnosed in 23.8% of subjects after six months of cART.
- Multivariate analysis revealed the CD4/CD8 ratio as a significant predictor of MetS (p < 0.05, OR = 0.45).
- cART and triglyceride levels also predicted MetS, while body weight and waist circumference did not show statistical significance.
Conclusions:
- The CD4/CD8 ratio is a significant predictive marker for metabolic syndrome in HIV/AIDS patients.
- This ratio offers valuable insights into MetS risk stratification in individuals undergoing cART.
Background:
HIV infection is characterized by progressive depletion of CD4+ T cells due to their reduced synthesis and increased destruction followed by marked activation and expansion of CD8+ T lymphocytes. CD4/CD8 ratio was traditionally described as a marker of immune system ageing in the general population, but it increasingly appears as a marker of different outcomes in the HIV-infected population. The main objective of this study is to examine the power of CD4/CD8 ratio in predicting the occurrence of metabolic syndrome (MetS) in HIV-positive patients receiving cART therapy.
Methods:
80 HIV/AIDS subjects were included in a retrospective case-control study. Flow cytometry was used to determine the percentage of CD4+ and CD8+ cells in peripheral blood of these patients. The values of biochemical parameters (triglycerides, HDL, blood sugar, blood counts), immunological parameters (CD4/CD8, PCR), anthropometric measurements and type of cART therapy were evaluated in this study.
Results:
After six months of cART therapy 19 (23.8%) subjects had all the elements necessary for making the diagnosis of MetS. Using multivariate analysis CD4/CD8 ratio was statistically significant (p < 0.05) and had the largest effect on development of MetS (Wald = 9.01; OR = 0.45), followed by cART (Wald = 7.87; OR = 0.10) and triglycerides (Wald = 5.27; OR = 1.7). On the other hand, body weight and waist circumference showed no statistically significant effect on the development of MetS after six months of cART, p > 0.05.
Conclusions:
CD4/CD8 ratio proved to be a significant marker for prediction of metabolic syndrome in HIV/AIDS patients.
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