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Published in: BMC Infectious Diseases 1/2012

Open Access 01-12-2012 | Research article

Impaired distensibility of ascending aorta in patients with HIV infection

Authors: Alexandra Zormpala, Nikolaos V Sipsas, Ioannis Moyssakis, Sarah P Georgiadou, Maria N Gamaletsou, Athanasios N Kontos, Panayiotis D Ziakas, Theodore Kordossis

Published in: BMC Infectious Diseases | Issue 1/2012

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Abstract

Background

Our aim was to investigate the aortic distensibility (AD) of the ascending aorta and carotid artery intima-media thickness (c-IMT) in HIV-infected patients compared to healthy controls.

Methods

One hundred and five HIV-infected patients (86 males [82%], mean age 41 ± 0.92 years), and 124 age and sex matched HIV-1 uninfected controls (104 males [84%], mean age 39.2 ± 1.03 years) were evaluated by high-resolution ultrasonography to determine AD and c-IMT. For all patients and controls clinical and laboratory factors associated with atherosclerosis were recorded.

Results

HIV- infected patients had reduced AD compared to controls: 2.2 ± 0.01 vs. 2.62 ± 0.01 10-6 cm2 dyn-1, respectively (p < 0.001). No difference was found in c-IMT between the two groups. In multiadjusted analysis, HIV infection was independently associated with decreased distensibility (beta –0.45, p < 0.001). Analysis among HIV-infected patients showed that patients exposed to HAART had decreased AD compared to HAART-naïve patients [mean (SD): 2.18(0.02) vs. 2.28(0.03) 10-6 cm2 dyn-1, p = 0.01]. In multiadjusted analysis, increasing age and exposure to HAART were independently associated with decreased AD.

Conclusion

HIV infection is independently associated with decreased distensibility of the ascending aorta, a marker of subclinical atherosclerosis. Increasing age and duration of exposure to HAART are factors further contributing to decreased AD.
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Metadata
Title
Impaired distensibility of ascending aorta in patients with HIV infection
Authors
Alexandra Zormpala
Nikolaos V Sipsas
Ioannis Moyssakis
Sarah P Georgiadou
Maria N Gamaletsou
Athanasios N Kontos
Panayiotis D Ziakas
Theodore Kordossis
Publication date
01-12-2012
Publisher
BioMed Central
Published in
BMC Infectious Diseases / Issue 1/2012
Electronic ISSN: 1471-2334
DOI
https://doi.org/10.1186/1471-2334-12-167

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