Association of cardio-ankle vascular index with cardiovascular risk factors and cardiovascular events in metabolic syndrome patients

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Abstract

Objectives: We aimed to investigate the association between arterial stiffness assessed as cardio-ankle vascular index (CAVI) and cardiovascular (CV) risk factors and CV events in the middle-aged metabolic syndrome (MS) patients. Materials and methods: A follow-up study was carried out in 2106 middle-aged (53.83 ± 6.17 years old, 62% women) MS subjects without overt atherosclerotic disease. Patients were initially recruited in 2009-2011 as participants of the Lithuanian High Cardiovascular Risk (LitHiR) primary prevention program and followed up for 3.8 ± 1.7 years for CV events. Thorough cardiometabolic risk assessment was carried out at inclusion. Results: Subjects with higher CAVI had worse lipid and glucose metabolism profile: elevated total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C), decreased highdensity lipoprotein cholesterol (HDL-C), higher fasting and oral glucose tolerance test (OGTT) glucose levels (all P < 0.001), and lower fasting insulin (P = 0.021). Greater age (P < 0.001), heart rate (P = 0.016), and mean arterial pressure (P < 0.001) were also associated with higher CAVI. Over the follow-up period, 93 (4.4%) patients developed a cardiovascular event: 55 (2.6%) patients had myocardial infarction and 38 (1.8%) suffered a cerebrovascular event. Fatal CV events comprised 6.5% (n = 6) of all CV events. CAVI was statistically significantly associated with occurrence of myocardial infarction (P = 0.027) and total cardiovascular events (P = 0.045), but not cerebrovascular events (P = 0.65). However, this association was dependent on age and gender.

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Laucevičius, A., Ryliškyte, L., Balsyte, J., Badariene, J., Puronaite, R., Navickas, R., & Solovjova, S. (2015). Association of cardio-ankle vascular index with cardiovascular risk factors and cardiovascular events in metabolic syndrome patients. Medicina (Lithuania), 51(3), 152–158. https://doi.org/10.1016/j.medici.2015.05.001

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