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Results of adjunctive coronary endarterectomy in 548 patients
Serdar Akgun1, C Selim Isbir, Tekin Yildirim
1Department of Cardiovascular Surgery, Medicana Bahcelievler Hospital, Istanbul, Turkey.
Insights
Coronary endarterectomy as an adjunct to bypass grafting had a 6.2% mortality rate. This procedure is a last resort for diffuse coronary artery disease due to higher risks than standard bypass surgery.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
- Vascular Surgery
Background:
- Coronary endarterectomy is a debated surgical option for coronary artery disease.
- It is sometimes used as an additional therapy during coronary artery bypass graft (CABG) surgery.
Purpose of the Study:
- To evaluate the short-term outcomes of coronary endarterectomy performed as adjunctive therapy for CABG.
- To identify risk factors associated with adverse outcomes in patients undergoing this procedure.
Main Methods:
- Retrospective analysis of 548 patients who underwent adjunctive coronary endarterectomy between 1996 and 2004.
- Assessment of short-term postoperative outcomes and mortality.
- Identification of predictors for early mortality.
Main Results:
- The mean patient age was 67.9 years, with a mean angina class of 2.7.
- Postoperative mortality was 6.2% (34 patients).
- Recent myocardial infarction and left ventricular dysfunction were predictors of early mortality.
Conclusions:
- Adjunctive coronary endarterectomy can yield acceptable results but carries a higher mortality rate than standard CABG.
- This procedure should be reserved as a final surgical option for diffuse coronary artery disease.
Abstract:
Coronary endarterectomy is a controversial procedure that plays a particular role in the treatment of coronary artery disease. We retrospectively investigated the results for 548 patients who underwent coronary endarterectomy as an adjunctive therapy for coronary artery bypass graft surgery during the period between 1996 and 2004. We assessed short-term outcomes and identified risk factors for adverse outcomes. Mean patient age was 67.9 + 9.3 years and mean angina class was 2.7 + 0.3. The mean number of distal anastomoses was 3.8 + 1.1 patients (73.4%) had single and 151 (27.6%) multiple coronary artery endarterectomies. Of the 151 patients who underwent multiple endarterectomies, 97 (17.7%) had endarterectomies in 2 coronary arteries, 40 (7.2%) in 3 coronary arteries, 11 (2%) in 4 coronary arteries, 2 (0.36%) in 5 coronary arteries, and 1 (0.18%) in 6 coronary arteries. Postoperative mortality was 6.2% (34 patients). The predictors for early mortality were recent myocardial infarction and left ventricular dysfunction. Our results suggest that adjunctive coronary endarterectomy can be accomplished with acceptable results but with higher mortality rates than ordinary coronary artery bypass grafting. Adjunctive coronary endarterectomy should be considered as a last option for the surgical treatment of diffuse coronary disease.
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