Abstract
Funding Acknowledgements
Type of funding sources: None.
Introduction
Cardiovascular disease (CVD) including heart disease and stroke, is the leading cause of death globally and in India.
The importance of primary prevention, defined as interventions designed to modify adverse risk factors with the goal of preventing an initial CVD event has been established beyond doubt by several population based studies in healthy individuals.
While there have been many studies defining the high prevalence in CVD risk factors in Indian population, this study sought to determine the prevalence of undiagnosed modifiable CVD risk factors in healthy individuals.
Methods
The cross sectional, analytical study was carried out at the hospitals, from 1st April 2015 to 31st dec 2017. Subjects between 18 - 70 years of age who were healthy and were undergoing health checkup were included in the study. A total of 5000 patients were screened, those having existing CVD risk factors were excluded from the study.
This study was approved by the institutional ethics committee of the hospital. Written informed consent was obtained from all subjects. The data collection record sheet was prepared based on validated and standardized questionnaires which was used to enter all data.
Physical examination for vitals and BMI was done by qualified physicians. Blood investigations were done for diabetes and dyslipidemia and thyroid dysfunction. ACC/AHA criteria was used for diagnosis of hypertension, ADA criteria for diabetes. Joint British society 3 risk score and ASCVD risk score was calculated using standard calculators.
Results
At screening, 4998 participants aged ≥18 years were approached to participate in study. The study population included 2705 men (68.1%) and 1265 women (31.9%) with a mean age of 68± 18.8 years. The most prevalent risk factor was overweight and obesity (71.2%).
The prevalence of undiagnosed HTN was 73.3%, undiagnosed pre-diabetes was 24.9% and undiagnosed diabetes was 28.3%. Out of total, 44.3% subjects had high level of low-density lipoprotein and 36.6% subjects had low level of high-density lipoprotein, 20.1% subjects had high level of very-low density lipoprotein (VLDL) and 17.3% subjects had high level of triglyceride.
Tobacco smoking was present in 7.7% of the population. The risk estimation predicted 29.1% of the study participants to have more than 10% risk of heart attack/stroke risk at 10 years.
Conclusion
Our study reveals a fairly good snapshot of CVDs risk factors in healthy general population. Increased prevalence of high BMI, undiagnosed HTN, diabetes, dyslipidemia was present in our study population.
The population had significantly high predicted risk of heart attack/stroke. These findings warrant the need of community based life style modifications, regular health checkup for healthy population for early detection and modification of CVD risk factors.
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