Cardiovascular risk factor profile in patients admitted to a community-based cardiac rehabilitation program after one year: what risk factors are not being controlled?

Abstract

Funding Acknowledgements Type of funding sources: None. Background Cardiac rehabilitation (CR) is a multidisciplinary intervention designed to reduce cardiovascular (CV) risk, encourage healthy behaviors, reduce physical impairment, and promote an active lifestyle. After completing a phase II CR program, it is important to maintain long-term CV risk factor control. However, many patients do not achieve or maintain lifestyle and risk factor targets on a long-term basis. Therefore, it is of interest to understand which risk factors are not reaching the targets to better understand and personalize long-term community-based CR programs. Purpose To characterize the modifiable CV risk factors profile in coronary artery disease (CAD) patients admitted to a community-based phase III CR program, including lipid profile, overweight/obesity, physical activity (PA) and sedentary behaviour (SB), at the beginning and after completing the first year of the CR program. Methods This retrospective cohort study included CAD patients that attended for 1-year a community-based phase III CR program. At the beginning (M0) and after one year (M1) of the CR program, all patients performed a risk profile assessment including: Lipid profile [total cholesterol (total-c), high density lipoprotein cholesterol (HDL), low-density lipoprotein cholesterol (LDL)], body mass index (BMI), PA and SB. BMI was assessed with the patient's weight in kilograms divided by the square of height in meters and lipid profile values were obtained from blood testing. PA and SB were objectively measured by using an accelerometer. All participants attended supervised exercise sessions, 3x week, 60 mins, including aerobic and resistance exercises, 3 educational sessions and a nutritional counseling consultation per year. Results In the sample of 159 patients at baseline (81.8% male, mean age 61±10 years, BMI: 28.3±4.3 kg/m²), overweight and obesity proved to be the most prevalent risk factor (80.7%), followed by uncontrolled LDL levels (74.8%). After a 1-year intervention (n=48, 90% male, mean age 62±10 years), LDL levels were kept above the targets (M0: 73.3±28.9 mg/dL and M1: 68.6±19.6 mg/dL, p=0.186), BMI did not change (M0: 27.5±3.9 kg/m² and M1: 27.8±4.0 kg/m², p=0.168) and SB remained high (M0: 11.50±2.90 hours/day and M1: 11.58 ± 2.71 hours/day, p=0.908). Although, moderate to vigorous PA (MVPA) decreased (M0: 343±195 mins/week and M1: 293±164 mins/week, p<0.001), participants were still on target, between 150 to 300 mins MVPA week. Conclusion Our findings show that after a 1-year of a phase III CR program intervention CVD patients maintained MVPA recommended levels, but did not reach body composition, lipid profile, and SB targets. Future strategies should be implemented in long-term CR programs to better control LDL, body composition and SB.