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Coronary risk factor outcomes following coronary artery bypass surgery
B Oldenburg1, J Pierce, R Sicree
1Department of Public Health, University of Sydney, NSW, Australia.
Insights
Patients undergoing coronary artery bypass surgery (CABG) often have worse coronary risk factors, like obesity and high cholesterol, compared to the general population. Smoking cessation is high post-surgery, but other risks persist, needing further intervention.
Area of Science:
- Cardiology
- Public Health
- Preventive Medicine
Background:
- Coronary artery bypass surgery (CABG) is a common intervention for coronary heart disease.
- The long-term coronary risk factor status of patients post-CABG remains under-researched.
- Understanding post-CABG risk factors is crucial for improving patient outcomes and secondary prevention.
Purpose of the Study:
- To investigate the coronary risk factor profile of patients before and after coronary artery bypass surgery (CABG).
- To compare the prevalence of key risk factors in CABG patients with the general Australian population.
Main Methods:
- Two consecutive series of CABG patients were surveyed.
- Immediate post-CABG assessment included 130 patients.
- Long-term assessment (12-30 months post-CABG) included 530 patients.
- Data were compared with age-adjusted National Heart Foundation Risk Factor Prevalence Survey data.
Main Results:
- Over 80% of long-term post-CABG patients who had ever smoked had ceased smoking.
- High prevalence of overweight individuals: 64% of males and 50% of females.
- Significant rates of elevated serum cholesterol (≥ 6.5 mmol/L): 25% of males and 34% of females.
- CABG patients exhibited a higher prevalence of ex-smokers, overweight, hypertension, and elevated cholesterol compared to the general Australian community.
Conclusions:
- Post-CABG patients generally present with a worse coronary risk factor profile than the general Australian population, excluding smoking cessation.
- The findings highlight a need for targeted research and the development of effective management programs for these patients.
- Improved secondary prevention strategies are essential for CABG patients to mitigate ongoing cardiovascular risks.
Abstract:
The coronary risk factor status of patients prior to and following coronary artery bypass surgery (CABG) has been poorly investigated. Two consecutive series of CABG patients were surveyed following CABG. One hundred and thirty patients were assessed immediately following CABG and 530 patients were assessed 12-30 months following CABG. For the long-term post-CABG group, over 80% of those who had ever smoked had ceased. Sixty-four per cent of these males and 50% of females were classified as being overweight. Twenty-five per cent of males and 34% of females reportedly had high serum cholesterol (i.e. greater than or equal to 6.5 mmol/L). Comparing these CABG data with age-adjusted National Heart Foundation Risk Factor Prevalence Survey data, there was a higher prevalence of ex-smokers, overweight, hypertension, and elevated cholesterol. It was concluded that on most coronary risk factors, except for smoking, these CABG patients had a worse profile than the general Australian community. This problem warrants further research and the development of appropriate treatment programs.