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- Title
Aortic Stiffness in HIV Infection with and without Antiretroviral Therapy. A Meta-analysis of Observational Studies.
- Authors
Mulè, Giovanni; Mulè, Giuseppe; Tranchida, Valeria; Colletti, Pietro; Mazzola, Giovanni; Trizzino, Marcello; Colomba, Claudia; Cascio, Antonio
- Abstract
Background: The risk of Cardiovascular (CV) events is higher in HIV-infected patients (HIV+) compared to HIV-uninfected persons (HIV−). Large artery stiffness, a well-documented predictor of adverse CV prognosis, may mediate this enhanced risk. It is usually assessed by measuring aortic Pulse Wave Velocity (aPWV). Studies examining arterial stiffness in HIV+ yielded inconsistent results. We performed a meta-analysis with the aim to evaluate the association of HIV infection and its therapy [Antiretroviral Therapy (ART)] with aPWV. Design and Method: The Standardized Mean Difference (SMD) and corresponding 95% confidence intervals were calculated for aPWV in different comparison groups. Statistical heterogeneity, assessed by Q-test and I2' statistic, was observed in all these comparisons. Therefore, random effects model was implemented. Results: In a total of 12 studies, naive HIV+ (n = 547) showed increased aPWV compared to HIV− (n = 864): SMD = 0.333 (0.125–0.542), p < 0.002. A total of 22 studies were identified comparing HIV+ treated with ART (n = 3348) to HIV− (n = 2547) showing higher values of aPWV in the former than in latter: SMD = 0.391 (0.225–0.556), p < 0.001. In 10 studies, HIV+ treated with ART (n = 761) exhibited greater aPWV values than those of naive HIV+ (n = 457): SMD = 0.262 (0.006–0.518), p = 0.045. Conclusion: Our meta-analysis seems to suggest that HIV infection "per se" and ART may impair aortic distensibility. However, interpretation of our results needs caution due to between-study heterogeneity and some potential publication biases.
- Subjects
ANTIRETROVIRAL agents; AORTIC diseases; HIV infections
- Publication
Artery Research, 2020, Vol 26, Issue 1, p13
- ISSN
1872-9312
- Publication type
Article
- DOI
10.2991/artres.k.200314.002