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Risk of ischemic cardiovascular disease in hypertensive patients in communities in Shenzhen

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Journal Title:
Chinese Journal of Health Management
Key Word:
高血压;心血管病,缺血性;风险评估;社区;Hypertension;Cardiovascular disease, Ischemia;Risk assessment;Communities

Abstract´╝Ü Objective:To understand the 10-year risk of ischemic cardiovascular disease (ICVD) in hypertensive patients in communities in Shenzhen, and to provide baseline data for the comprehensive implementation of community-based hypertension health management measures based on ICVD risk assessment.Methods:From July 2017 to June 2018, 200 community health service centers in 10 districts of Shenzhen were selected by multi-stage random sampling to investigate hypertensive patients in communities aged≥35. After the patients who met the inclusion criteria signed the informed consent form, the demographic characteristics, physical examination, and laboratory tests were conducted. The absolute risk of ICVD in 10 years was evaluated by using the ICVD risk assessment module from the Shenzhen community health service information system. According to the China 10-year risk for ICVD score tables, recommended by the Chinese cardiovascular disease prevention guidelines, the risk grade of ICVD was estimated and analyzed. In addition, the relative risk was used to eliminate the influence of gender and age, and the single sample t-test was used for comparisons with the larger population. Results:30 015 hypertensive patients from communities were investigated, including 16 165 (53.86%) males and 13 850 (46.14%) females, aged 35-102 years, with a median age of 59.0. 6 405 (21.34%), 5 771 (19.23%) and 17 839 (59.43%) were at high, medium and low risk of ICVD, respectively. The absolute risk was 3.77%, 95% CI (3.72%-3.82%). The risk grades of ICVD in 10 years was different as per gender, age, marital status, population type, smoking, family history of hypertension, history of diabetes mellitus, systolic blood pressure, body mass index, and total cholesterol level, P values were all<0.001. The risk grades of ICVD in males, married patients, floating populations, having a total cholesterol <5.20 mmol/L, non-smokers, non-diabetics, and having a family history of hypertension were lower than that of other characteristics, and increased with age, systolic blood pressure, and body mass index. Further analysis of 15 652 patients aged 35-59 years old showed that the 10-year risk of ICVD in patients with hypertension in communities was slightly higher than that of the larger population, and the relative risk was 1.27, 95% CI (1.25-1.28), t=37.648, P<0.001. In males, relative risk was 0.94, 95% CI (0.93-0.95), t= 9.906, P<0.001, and there were no significant trend changes among age groups. In females, relative risk was 2.05, 95% CI (2.01-2.09), t=72.207, P<0.001, and increased with age. Conclusion:The 10-year risk of ICVD in hypertensive patients is often at a high level in Shenzhen, so it is necessary to carry out the risk assessment of ICVD in the community. The effect of community hypertension health management on reducing the risk of ICVD may vary between genders. The risk of ICVD in male patients is lower than that of males in the larger population, but in female patients it is still much higher.

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