We studied concentrations of angiotensin II, HLDF24 peptide, endothelin proteins, S100B, and autoantibodies to them and serum levels of blood natriuretic peptide in patients with different categories of "normal" arterial BP and hypertension. The relationship between blood levels of the above factors and normotony, pre-hypertension, and hypertension in the examined groups was analyzed. The results suggest that the studied molecular factors can serve as potential predictors of arterial hypertension and used for personalized hypertension risk assessment.
The content of S100b protein, HLDF24 peptide, and autoantibodies to these factors in blood serum was measured in healthy individuals (35-64-year-old men and women) with various levels of "normal" BP. Significant differences in the amount of these molecular factors were found in individuals with various categories of BP. We revealed age-related and gender differences in the content of molecular factors in the serum. Our results indicate that variations in the concentration of S100b, HLDF24, and autoantibodies to these factors in blood serum from adult people can serve as a reliable criterion for the risk of arterial hypertension.
Aim. To compare the associations between employees’ health groups, defined by the results of the repeated medical examination (RME), and conventional risk factors (RFs) of cardiovascular disease (CVD) or total CVD risk; to justify the need for RME and identify the priorities for its further improvement, in order to prevent CVD among working populations.Material and methods. The study was performed as a part of a regulation-required RME, at a medical unit serving employees of a large industrial enterprise. A standard examination was combined with the assessment of such CVD RFs as tobacco smoking, alcohol consumption, stress, and body mass index.Results. The RME data were analysed for 3013 employees (51,8% men and 48,2% women). Mean age of the participants was 45,8±12,5 years (44,8±13,6 years in men and 46,9±11,2 years in women; p0,05); Health Group III to 27,3% (26,0% of men and 28,8% of women; p>0,05); and Health Group IV to 0,3% of both men and women (p>0,05). No participants were assigned Health Group V. The study demonstrated feasibility of an extended medical examination without substantial extra costs. This justifies the inclusion of early CVD RF detection and correction in the RME programme for working populations. Among working-age employees with Health Group I, more than one-third (37,4%) had moderate levels of total CVD risk. Among older age groups, 90% and 10% had moderate and high total CVD risk, respectively.Conclusion. The results of this analysis can be used for identification of prevention priorities, both for workplace-based and medical unit-based prevention among working populations, as well as for assessment and distribution of the resources required.
Цель - исследование взаимосвязи факторов риска сердечно-сосудистых заболеваний и развития предгипертонии. Методика. Проведен сравнительный и корреляционный анализы показателей модифицируемых и немодифицируемых факторов риска сердечно-сосудистых заболеваний у обследованных лиц в возрасте 30-60 лет с «оптимальным» артериальным давлением, (n = 63, АД <120/80 мм рт.ст.) и лиц с предгипертонией (n = 52, АД = 120-139/80-89 мм рт.ст.). Результаты. Показано, что лица с предгипертонией по сравнению с группой лиц, имеющих «оптимальное» артериальное давление характеризуются статистически значимо повышенным содержанием холестерина и холестерина липопротеидов низкой плотности, интеллектуальным характером трудовой деятельности, а также значимыми сочетаниями факторов риска: повышенный уровень холестерина липопротеидов низкой плотности с интеллектуальным характером трудовой деятельности; повышенное содержание креатинина с уровнем триглициридов; наследственная отягощенность по заболеваниям почек и интеллектуальным характером трудовой деятельности; наследственная отягощенность по сахарному диабету и гипертрофия левого желудочка сердца. У лиц с предгипертонией документированы перестройки структуры взаимосвязи (количество, направленность и сила корреляций) между показателями факторов риска в сравнении с лицами, имеющими «оптимальное» артериальное давление. Заключение. Выявленные особенности взаимосвязей факторов риска сердечно-сосудистых заболеваний при предгипертонии рассматриваются как проявление начальной стадии дизрегуляционной патологии и нарушения регуляции физиологических систем поддержания оптимального уровня артериального давления. The aim of the study was to investigate the relationship between risk factors for cardiovascular disease and development of prehypertension. Methods. Comparative and correlation analyses of modifiable and non-modifiable risk factors for cardiovascular disease were performed in subjects aged 30-60 with «optimal» blood pressure (n = 63, BP <120/80 mm Hg) and prehypertension (n = 52, BP = 120-139 / 80-89 mm Hg). Results. The group with prehypertension compared with the «optimal» blood pressure group had significantly increased serum levels of low-density lipoprotein (LDL) cholesterol and high-density lipoprotein (HDL) cholesterol, sedentary/intellectual type of occupation, and significant combinations of risk factors. The risk factor combinations included an increased level of LDL cholesterol and a sedentary/intellectual occupation; increased serum levels of creatinine and triglycerides; hereditary burden of kidney disease and a sedentary/intellectual occupation; hereditary burden of diabetes mellitus and cardiac left ventricular hypotrophy. In subjects with prehypertension compared to subjects with «optimal» blood pressure, changes in correlations (correlation number, direction, and strength) between parameters of risk factors were documented. Conclusion. The features of interrelationships between risk factors for cardiovascular disease observed in prehypertension are considered a manifestation of early dysregulation pathology and disordered regulation of physiological systems, which maintain optimal blood pressure.
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