Abstract
Aim The aim of this study was to evaluate the cost-effectiveness of patent foramen ovale (PFO) closure using CARDIOFORM Septal Occluders versus AMPLATZER Septal Occluders, as well as compared to Medical Therapy Alone, from a payor perspective in the United States. Methods An economic evaluation compared the value of CARDIOFORM, AMPLATZER, and Medical Therapy Alone. A Markov model simulated a cohort of 1,000 individuals with PFO and a history of cryptogenic stroke, with baseline demographic and clinical characteristics reflecting individuals enrolled in the REDUCE and RESPECT trials over a five-year time horizon. The costs and health consequences associated with complications and adverse events, including recurrent stroke, were compared over a time horizon of 5 years. Results PFO closure using CARDIOFORM was economically dominant, providing both cost-savings and improved effectiveness compared to closure with AMPLATZER. It resulted in an estimated savings of over $1.3 million, an additional 24.8 quality-adjusted life-years (QALYs) gained, and 28 strokes avoided in a cohort of 1,000 patients. When compared to Medical Therapy Alone, closure with CARDIOFORM was found to be cost-effective, with an incremental cost-effectiveness ratio (ICER) of $36,697 per QALY gained. Sensitivity and scenario analysis showed the model findings to be highly robust across reasonable changes to baseline input values and assumptions. Conclusions The results of this analysis suggest that PFO closure using the CARDIOFORM Septal Occluder is the most cost-effective treatment strategy for patients with a PFO-associated stroke, particularly compared to AMPLATZER where it resulted in both cost-saving and improved patient outcomes.
Published Version
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