Revascularization for femoropopliteal disease. A decision and cost-effectiveness analysis.
other · Level V
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Abstract
OBJECTIVE: To evaluate the relative benefits and cost-effectiveness of revascularization for femoropopliteal disease using percutaneous transluminal angioplasty or bypass surgery. DESIGN: Decision analysis using a multistate transition simulation model (Markov process) and cost-effectiveness analysis from the perspective of the health care system. SETTING: Based on mortality, morbidity, patency, and cost data from a literature review. PATIENTS: Hypothetical cohort of patients with chronic femoropopliteal disease who desire revascularization. Subgroup analysis for patients defined by age, sex, indication, lesion type, and graft type. INTERVENTIONS: Percutaneous transluminal angioplasty, bypass surgery, and a strategies combining the two treatments. MAIN OUTCOME MEASURES: Five-year patency results, quality-adjusted life expectancy, lifetime costs, and incremental cost-effectiveness ratios. RESULTS: For 65-year-old men with disabling claudication and a femoropopliteal stenosis or occlusion and for 65-year-old men with chronic critical ischemia and a femoropopliteal stenosis, initial angioplasty increased quality-adjusted life expectancy by 2 to 13 months and resulted in decreased lifetime expenditures compared with bypass surgery. For patients with chronic critical ischemia and a femoropopliteal occlusion, initial bypass surgery increased quality-adjusted life expectancy by 1 to 4 months and resulted in decreased lifetime expenditures compared with angioplasty. Sensitivity analysis demonstrated that angioplasty would always be the preferred initial treatment if the angioplasty 5-year patency rate exceeds 30%. CONCLUSION: Angioplasty is the preferred initial treatment in patients with disabling claudication and a femoropopliteal stenosis or occlusion and in those with chronic critical ischemia and a stenosis. Bypass surgery is the preferred initial treatment in patients with chronic critical ischemia and a femoropopliteal occlusion.