Cardiovascular journal of Africa · 2020
Endothelial dysfunction in HIV-positive patients with acute coronary syndromes.
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Vachiat Ahmed, Dix-Peek Therese, Duarte Raquel, Manga Pravin
Аннотация
AIM: This study investigated endothelial function in HIV-positive patients with acute coronary syndrome (ACS). Flow-mediated dilatation, pulse-wave velocity, carotid intima-media thickness and endothelial biomarkers were used to non-invasively investigate endothelial dysfunction.
METHODS: Twenty HIV-positive patients with ACS (HIV+/ACS) were compared to 20 HIV-negative patients with ACS (HIV-/ACS) and 20 HIV-positive patients without ACS (HIV+/no ACS).
RESULTS: Endothelial function measured by flow-mediated dilatation (FMD) was similar in both the HIV+/ACS (5.2; IQR 1.4-13.4%) and HIV-/ACS groups (3.7; IQR 2.3-4.4%) (p = 0.78). Arterial stiffness, measured by pulse-wave velocity (PWV) was low in all three cohorts. Carotid intima-media thickness (CIMT) was also low in all three cohorts. The vascular cellular adhesion molecule-1 (VCAM-1) levels in HIV-positive patients with and without ACS were significantly higher than in the HIV-/ACS cohort (p = 0.033 and 0.024, respectively).
CONCLUSIONS: Non-invasive investigations such as FMD, CIMT and PWV did not identify patients with HIV who were at high risk of ACS. Endothelial biomarkers may be more useful markers to identify HIV-positive patients who have endothelial dysfunction and increased risk of ACS.
METHODS: Twenty HIV-positive patients with ACS (HIV+/ACS) were compared to 20 HIV-negative patients with ACS (HIV-/ACS) and 20 HIV-positive patients without ACS (HIV+/no ACS).
RESULTS: Endothelial function measured by flow-mediated dilatation (FMD) was similar in both the HIV+/ACS (5.2; IQR 1.4-13.4%) and HIV-/ACS groups (3.7; IQR 2.3-4.4%) (p = 0.78). Arterial stiffness, measured by pulse-wave velocity (PWV) was low in all three cohorts. Carotid intima-media thickness (CIMT) was also low in all three cohorts. The vascular cellular adhesion molecule-1 (VCAM-1) levels in HIV-positive patients with and without ACS were significantly higher than in the HIV-/ACS cohort (p = 0.033 and 0.024, respectively).
CONCLUSIONS: Non-invasive investigations such as FMD, CIMT and PWV did not identify patients with HIV who were at high risk of ACS. Endothelial biomarkers may be more useful markers to identify HIV-positive patients who have endothelial dysfunction and increased risk of ACS.
Предметные рубрики MeSH
Acute Coronary SyndromeAdultBiomarkersCarotid Intima-Media ThicknessCase-Control StudiesEndothelium, VascularFemaleHIV InfectionsHumansMaleMiddle AgedPredictive Value of TestsPrognosisProspective StudiesPulse Wave AnalysisRisk AssessmentRisk FactorsVascular Cell Adhesion Molecule-1Vascular StiffnessVasodilation