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Comparative cost of myocardial revascularization: percutaneous transluminal angioplasty and coronary artery bypass
Insights
Percutaneous transluminal coronary angioplasty (PTCA) is a less expensive initial treatment for single vessel coronary artery disease compared to coronary artery bypass graft (CABG) surgery. Despite needing further procedures in some cases, PTCA offers significant cost savings over 12 months.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Health Economics
Background:
- Single vessel coronary artery disease requires revascularization.
- Percutaneous transluminal coronary angioplasty (PTCA) and coronary artery bypass graft (CABG) surgery are primary treatment options.
- Comparative cost-effectiveness of these procedures requires ongoing evaluation.
Purpose of the Study:
- To compare the total healthcare costs of PTCA versus CABG for single vessel coronary artery disease over a 12-month period.
- To assess the need for subsequent revascularization procedures after initial PTCA.
Main Methods:
- Prospective follow-up of 78 patients undergoing PTCA and 85 patients undergoing CABG for 1 year.
- Tracking hospital days, repeat angiographic, and revascularization procedures.
- Calculating total cost of care using current billing rates.
Main Results:
- Initial success rate for PTCA was 74%.
- 23% of PTCA patients required subsequent CABG due to initial failure or late restenosis.
- Total cost of care was 43% lower for patients initially treated with PTCA.
Conclusions:
- PTCA is a cost-effective initial strategy for single vessel coronary artery disease.
- Despite potential need for secondary procedures, PTCA offers significant long-term cost benefits over CABG.
- Further research into optimizing PTCA outcomes may enhance its value proposition.
Abstract:
A consecutive series of 78 patients having percutaneous transluminal coronary angioplasty for single vessel coronary artery disease and 85 patients having single vessel coronary artery bypass graft surgery were followed up prospectively for 1 year. Days in hospital and angiographic and revascularization procedures were counted in the two groups of patients and total cost of care for 12 months was calculated using current billing levels. Angioplasty was initially successful in 74% of patients; because of initial failure in 26% and late restenosis in 18%, bypass surgery was ultimately needed in 23 of 78 patients having coronary angioplasty. Nevertheless, total cost of care per patient was 43% lower for those having angioplasty as an initial procedure for single vessel coronary artery disease.