Prevalence of cardiovascular risk factors in gas industry workers: comparison with MONICA Study results; 10-year risk distribution for severe coronary complications in coronary heart disease-free patients

Aim. To compare characteristics of cardiovascular disease (CVD) risk factors (RF) in gas industry workers and other Russian populations. To analyze 10-year risk distribution for severe coronary complications (SCC) in individuals without coronary heart disease (CHD) at baseline. Material and methods. In total, 1807 men were examined; mean age 47.05±6.12 years. Information on smoking status, height/weight, blood pressure (BP), total cholesterol (TCH), and high-density lipoprotein (HDL) CH was registered. For comparison aims, control groups from MONICA Project in Moscow and Novosibirsk were used. Ten-year SCC risk was analyzed. Results. BP difference between MONICA Project populations and present group were statistically non-significant. Mean TCH levels in gas industry workers of all age groups were significantly higher, and HDL-CH levels – lower than in Moscow and Novosibirsk MONICA Project participants. HDL-CH percentage in TCH was substantially higher in all Orenburg age sub-groups, comparing to Moscow and Novosibirsk MONICA Project participants. Mean body mass index and smoking prevalence in «Orenburggazprom Ltd.» employees were significantly higher than in all Moscow, but not Novosibirsk, MONICA Project participants. Ten-year SCC risk was increasing with age, demonstrating inverse correlation with similar distribution in American adults (NHANES III data). Conclusion. High prevalence of CVD RF and increased 10-year SCC risk levels in gas industry workers explain a need for more aggressive primary CVD prevention, differentiated by 10-year SCC risk.

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