Risk factor profile in young adults with early coronary artery disease and abdominal obesity

Abstract

Aim . To assess the prevalence of cardiovascular risk factors in young adults aged 25-44 years with early coronary artery disease (CAD) and abdominal obesity (AO) in Novosibirsk. Methods. A random sample of subjects aged 25-44 years residing Novosibirsk underwent population screening. 1,457 people were examined (653 men and 804 women). The epidemiological diagnosis of CAD was established based on the validated epidemiological (according to the Rose Angina Questionnaire) and clinical (ECG decoded according to the Minnesota code) criteria. Early CAD was detected in 49 people who then were assigned into 4 subgroups: 1) obese subjects with CAD -24 people, 2) non-obese subjects with CAD - 25 people, 3) age- and sex-matched obese controls without CAD - 44 people, 4) age- and sex-matched non-obese controls without CAD - 30 people. The prevalence of the following CVD risk factors was assessed: smoking, increased body mass index (BMI), increased waist circumference (WC), the presence of arterial hypertension (AH), physical inactivity, elevated levels of low-density lipoprotein cholesterol (LDL-C), nonhigh density lipoprotein cholesterol (non-HDL-C), triglycerides (TG) in blood. Results. BMI, LDL-C and non-HDL-C increase 1.3-fold in obese subjects with CAD along with 1.9-fold increase in TG levels as compared to non-obese subjects with CAD. Obese men with CAD had BMI, non-HDL-C, and TG levels 1.3, 1.5, and 2.6 times higher respectively, compared with non-obese men with CAD. BMI, LDL-C levels, non-HDL-C levels and the presence of AH increased 5.2-, 1.6-, 1.6-, and 4.7-fold, respectively, in obese subjects with CAD compared with non-obese subjects with CAD. Obese men with CAD reported a 4.4- and 6.2-fold increase in the prevalence of increased BMI and the presence of AH, respectively, than non-obese men with CAD. The examined individuals revealed an independent direct association of the relative risk of CAD as a comorbidity of AH (OR = 3.368, CI 1.057-10.728, p = 0.040). In addition, men demonstrated an association with elevated levels of LDL-C (OR = 1.019, CI 1.000-1.039, p = 0.049) and non-HDL-C (OR = 1.019, CI 1.000-1.038, p = 0.049) in blood. Conclusion. AH, elevated levels of LDL-C, non-HDL-C and TG are considered as significant risk factors in obese people under 45 years of age (mainly in men) with early CAD.