Reductions in cardiovascular risk in association with population screening: a 10-year longitudinal study

Area of Science:

• Public Health
• Epidemiology
• Preventive Medicine

Background:

• Investigating cardiovascular disease (CVD) risk changes within a population-based screening program.
• Examining the long-term impact of repeated health screenings on cardiovascular risk factors.

Purpose of the Study:

• To analyze shifts in cardiovascular risk factors over a decade.
• To compare risk factor changes between high-risk and normal-risk cohorts identified through screening.

Main Methods:

• Analysis of CVD risk factor data (blood pressure, BMI, cholesterol, smoking, alcohol) from 4113 residents aged 45-55 screened thrice over 10 years.
• Categorization of participants into 'high risk' and 'normal risk' cohorts at baseline.
• Stratification of results by gender and adjustment for age and regression to the mean.

Main Results:

• High-risk cohorts demonstrated significant reductions in most CVD risk factors, excluding BMI, after controlling for confounding factors.
• Normal-risk cohorts exhibited significant increases in CVD risk factors over the 10-year study period.
• While normal-risk cohorts showed some risk reduction after age adjustment, it was less pronounced than in high-risk groups.

Conclusions:

• Population-based screening is a valuable tool for identifying and mitigating cardiovascular risk in individuals identified as high-risk.
• The findings underscore the importance of screening programs in the prevention and management of cardiovascular disease.
• Screening interventions may yield differential effects on risk factor trajectories depending on baseline risk status.