Cemented Hemiarthroplasty Results in Substantial Cost Savings Over Uncemented Hemiarthroplasty for the Treatment of Femoral Neck Fractures in Patients Over 60 Years Old: A Markov Analysis.
Nathan H Varady, Jacob F Oeding, Elizabeth B Gausden, William M Ricci, Antonia F Chen
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引用次数: 0
Abstract
Background: While there is growing scientific evidence supporting superior outcomes following cemented versus uncemented hip hemiarthroplasty (HHA) in elderly femoral neck fractures (FNFs), the relative cost-effectiveness of this in the United States is unknown. Thus, the purpose of this study was to compare the cost-effectiveness of cemented versus uncemented HHA for the treatment of FNFs in patients > 60 years old in the United States, accounting for postoperative outcomes including periprosthetic fractures.
Methods: A Markov model utilizing Monte Carlo microsimulation was developed to evaluate the outcomes and costs of patients at least 60 years of age (mean ± standard deviation, 84 ± 8 years) undergoing cemented versus uncemented HHA for the treatment of FNFs. Health utility values, transition probabilities, and upfront costs were derived from the published literature. Outcome measures included average total costs associated with each treatment (including those from patients who sustained a periprosthetic fracture), quality-adjusted life-years (QALYs), and the incremental cost-effectiveness ratio (ICER).
Results: Mean total costs resulting from cemented and uncemented HHA were $19,462 ± 3,581 and $21,997 ± 3,574, respectively (upfront costs from the published literature were $18,267 for cemented HHA and $16,803 for uncemented HHA). Average QALYs resulting from cemented and uncemented HHA were 4.0 ± 0.7 and 3.1 ± 0.6. The resulting ICER was -$2,688.9/QALY. Cemented HHA was found to be the most cost-effective treatment strategy in 89% of the patients in the Monte Carlo microsimulation model.
Conclusion: Despite documented higher upfront costs for cemented HHA, the averaged total costs over a 10-year time horizon were $2,534 less for cemented HHA than for uncemented HHA. In addition, cemented HHA resulted in an additional 0.9 QALYs relative to uncemented HHA. The findings of this United States-based study replicate the financial and quality-of-life benefits of cemented HHA for elderly FNFs seen in other health systems.
期刊介绍：
The Journal of Arthroplasty brings together the clinical and scientific foundations for joint replacement. This peer-reviewed journal publishes original research and manuscripts of the highest quality from all areas relating to joint replacement or the treatment of its complications, including those dealing with clinical series and experience, prosthetic design, biomechanics, biomaterials, metallurgy, biologic response to arthroplasty materials in vivo and in vitro.
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