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Prevalence of coronary artery disease in patients undergoing valvular operation due to rheumatic involvement
Hüseyin Bozbaş1, Aylin Yildirir, Mehmet Alparslan Küçük
1Department of Cardiology, School of Medicine, Başkent University, Ankara, Turkey. mdhbozbas@yahoo.com
Insights
Coronary artery disease (CAD) prevalence in rheumatic heart disease patients undergoing valvular surgery is similar to the general population. Risk factors like diabetes, hypertension, and smoking are more common in rheumatic patients with CAD.
Area of Science:
- Cardiology
- Rheumatology
- Vascular Medicine
Background:
- Rheumatic heart disease remains a significant global health issue, particularly in developing nations.
- The relationship between coronary artery disease (CAD) and rheumatic heart disease is not fully understood.
- Evaluating CAD prevalence in rheumatic heart disease patients is crucial for comprehensive patient management.
Purpose of the Study:
- To determine the prevalence of coronary artery disease (CAD) in patients undergoing valvular surgery for rheumatic heart disease.
- To identify atherosclerotic risk factors associated with CAD in this patient cohort.
Main Methods:
- Retrospective analysis of 346 patients who underwent rheumatic valvular surgery between 1996 and 2002.
- Coronary angiography was performed in 218 (63%) of the evaluated patients.
- Comparison of CAD prevalence and risk factors between patients with and without significant coronary artery disease.
Main Results:
- Coronary artery disease (CAD) was identified in 18.8% (41/218) of patients who underwent angiography.
- Patients with CAD were significantly older (mean 57.3 vs. 50.5 years) and had higher rates of diabetes mellitus, hypertension, smoking, and family history of CAD.
- Prevalence of dyslipidemia was similar between groups with and without CAD.
Conclusions:
- Coronary artery disease prevalence in patients with rheumatic valvular disease is comparable to the age-matched general population.
- Coronary angiography should be considered in rheumatic heart disease patients with clinical suspicion of CAD or multiple risk factors, especially when invasive valvular assessment is not indicated.
Objective:
Rheumatic heart disease is still a major health problem in developing countries. The impact of coronary artery disease (CAD) on or its relation to rheumatic fever is not well established. We aimed to evaluate the prevalence of CAD and atherosclerotic risk factors in patients who underwent valvular surgery due to rheumatic heart disease.
Methods:
The records of 346 patients who had undergone rheumatic valvular surgery in a university hospital between 1996 and 2002 were evaluated.
Results:
Coronary angiography was performed in 218 (63%) patients, of whom 41 (18.8%) had CAD. The mean age of the patients having CAD and normal coronary arteries were 57.3 and 50.5 years respectively (p<0.001). In the study population patients with CAD had significantly increased prevalence of diabetes mellitus (14.6% vs. 4.5%; p=0.02), hypertension (36.6% vs. 16.4%; p=0.003), smoking (51.2% vs. 23.2%; p=0.001) and family history of CAD (39.5% vs. 20.0%; p=0.01) compared to patients with normal coronary arteries. However, the prevalence of dyslipidemia was similar in both groups (45.9% vs. 36.4%; p=0.1).
Conclusion:
These findings suggest that coronary artery disease prevalence in rheumatic valvular disease patients is similar to the normal population of same age. In cases where invasive assessment of valvular lesions is not indicated we suggest coronary angiography to be performed only in patients having clinical suspicion of CAD or multiple risk factors.
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