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    Cross-sectional study of lipoprotein(a) and the severity of coronary artery disease, cerebrovascular disease, and peripheral vascular disease in a group of South Asian patients

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    Date
    2025-02-27
    Author
    Athauda-arachch, Pandula M.
    Kaththiriarachchi, Lalindra
    Salgado, Wickrama
    De Silva, Sulakkana
    Salgado, Tiyara
    Farooq, Mumtaz
    Jibran, M Javid
    Arachch, Yumandi Godakanda
    Premanath, Samidi
    Senaratne, Sithira L.
    Samarakoon, Sanjalee P.
    Hiran, Rathnayake
    Shajahan, Mariam
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    Abstract
    Background Atherosclerotic cardiovascular diseases (ASCVD), including coronary artery disease (CAD), cerebrovascular disease (CVD), and peripheral vascular disease (PVD), remain the leading cause of death globally. South Asians exhibit a higher incidence of cardiovascular diseases than other ethnicities, attributed to a range of genetic, environmental, and lifestyle factors. Lipoprotein(a) [Lp(a)] with a unique apolipoprotein(a) component, has emerged as a marker of atherosclerosis and ASCVD risk, with evidence to promote arterial plaque formation and thrombogenesis. Objective The aim of this study was to explore the associations between Lp(a) levels and the severity of CAD, CVD, and PVD in a group of South Asian patients. Methods Following ethical approval, 60 consecutive patients who underwent coronary angiography for any indication were reviewed. There were 51 eligible participants who were evaluated for Lp(a) level, Synergy Between Percutaneous Coronary Intervention with Taxus and Cardiac Surgery (SYNTAX) score, and severity of CVD and PVD. The SYNTAX-I score was calculated using twoobserver consensus on coronary angiograms. Assessment of CVD was by ultrasound/Doppler, and PVD by estimatingankle-brachial index using Doppler. The multisite arterial disease score 2 (MADS2) and SYNTAX score tertiles were used to group the patients. Statistical analysis was performed using the SPSS software. Results and discussion In this group, we identified a statistically significant difference with higher Lp(a) levels being associated with more severe coronary disease (SYNTAX tertile 2,3). Despite a numerical trend, statistical significance was not confirmed for Lp(a) levels in relation to MADS2-CVD or MADS2-PVD scores. A larger study may be required to assess these aspects.
    URI
    http://ir.kdu.ac.lk/handle/345/8347
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