Journal
LARYNGOSCOPE
Volume 125, Issue 1, Pages 25-32Publisher
WILEY
DOI: 10.1002/lary.24916
Keywords
Chronic rhinosinusitis; sinusitis; endoscopic sinus surgery; medical therapy; Markov; decision tree; economic evaluation; cost effectiveness
Funding
- National Institutes of Health (NIH) [DC005805]
- Medtronic
- Arthrocare
- Intersect ENT
- Optinose
- NeilMed
- NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS [R01DC005805] Funding Source: NIH RePORTER
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Objectives/HypothesisTo evaluate the long-term cost-effectiveness of endoscopic sinus surgery (ESS) compared to continued medical therapy for patients with refractory chronic rhinosinusitis (CRS). Study DesignCohort-style Markov decision-tree economic evaluation. MethodsThe economic perspective was the U.S. third-party payer with a 30-year time horizon. The two comparative treatment strategies were: 1) ESS, followed by appropriate postoperative medical therapy; and 2) continued medical therapy alone. Primary outcome was the incremental cost per quality-adjusted life year (QALY). Costs were discounted at a rate of 3.5% in the reference case. Multiple sensitivity analyses were performed, including differing time-horizons, discounting scenarios, and a probabilistic sensitivity analysis (PSA). ResultsThe reference case demonstrated that the ESS strategy cost a total of $48,838.38 and produced a total of 20.50 QALYs. The medical therapy alone strategy cost a total of $28,948.98 and produced a total of 17.13 QALYs. The incremental cost effectiveness ratio for ESS versus medical therapy alone is $5,901.90 per QALY. The cost-effectiveness acceptability curve from the PSA demonstrated that there is a 74% certainty that the ESS strategy is the most cost-effective decision for any willingness to pay a threshold greater than $25,000. The time-horizon analysis suggests that ESS becomes the cost-effective intervention within the third year after surgery. ConclusionResults from this study suggest that employing an ESS treatment strategy is the most cost-effective intervention compared to continued medical therapy alone for the long-term management of patients with refractory CRS. Level of EvidenceN/A. Laryngoscope, 125:25-32, 2015
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