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[Influence of Endothelial Dysfunction on Prognosis of Patients With Non ST-Segment Elevation Acute Coronary Syndrome]

S A Berns, E A Shmidt, E S Yuchno

    Kardiologiia
    |October 28, 2015
    PubMed

    Insights

    Markers of endothelial dysfunction predict adverse coronary events in non-ST segment elevation acute coronary syndrome (NSTEACS). Impaired vasodilation and elevated endothelin-1 levels indicate a higher risk of poor prognosis and myocardial infarction.

    Area of Science:

    • Cardiology
    • Vascular Biology
    • Biomarkers

    Background:

    • Endothelial dysfunction is implicated in acute coronary syndromes.
    • Multifocal atherosclerosis contributes to adverse cardiovascular outcomes.

    Purpose of the Study:

    • To investigate the relationship between endothelial dysfunction markers and adverse coronary events in non-ST segment elevation acute coronary syndrome (NSTEACS).
    • To identify predictors of unfavorable prognosis in NSTEACS patients.

    Main Methods:

    • Study included 82 patients with NSTEACS.
    • Assessed endothelial function (vasodilatory, vasoconstrictive, adhesive) and measured biomarkers (soluble platelet selectin, endothelin-1, soluble platelet-endothelial cell adhesion molecule-1).
    • Observed patients for one year for adverse coronary events.

    Main Results:

    • Eighteen patients (21.9%) experienced adverse events within one year.
    • Patients with adverse events exhibited impaired endothelial function.
    • Impaired endothelium-dependent vasodilation, high endothelin-1, and high soluble platelet selectin on day 10 predicted unfavorable prognosis.
    • Endothelin-1 and soluble platelet-endothelial cell adhesion molecule-1 showed the highest predictive power for non-fatal myocardial infarction.

    Conclusions:

    • Endothelial dysfunction markers are significant predictors of adverse outcomes in NSTEACS.
    • Specific biomarkers like endothelin-1 and soluble platelet-endothelial cell adhesion molecule-1 are valuable for risk stratification in NSTEACS patients.

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