Cost-effectiveness of ramipril in patients at high risk for cardiovascular events: a Swiss perspective

Swiss Medical Weekly
Angelika AurbachPedram Sendi

Abstract

Ramipril may prevent cardiovascular death, myocardial infarction and stroke in patients without evidence of left ventricular dysfunction or heart failure who are at high risk for cardiovascular events. In the present study we assessed the cost-effectiveness of ramipril in patients with an increased risk of cardiovascular events from a third party payer's perspective in Switzerland. In addition, the cost-effectiveness of ramipril in the subgroup of diabetic patients was assessed. We developed a decision analytic cost-effectiveness model to estimate the incremental costs (in 2001 in Swiss Francs [CHF]), incremental effects (in terms of life-years gained [LYG]) and incremental cost-effectiveness (CHF per LYG) of ramipril versus placebo. Clinical input parameters were derived from the Heart Outcomes Prevention Evaluation (HOPE) study. Cost data were extracted from the literature. Deterministic sensitivity analysis was used to assess the impact of varying the input parameters on the cost effectiveness of the intervention. In addition, first order Monte Carlo simulation was used to capture patient-to-patient variability, presented as cost-effectiveness acceptability curves. The incremental cost-effectiveness ratio of ramipril versus ...Continue Reading

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