| Cost-effectiveness of Adding Magnetic Resonance Imaging to Rheumatoid Arthritis Management. | |
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MedLine Citation:
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PMID: 21482840 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: Early, aggressive treatment of rheumatoid arthritis (RA) improves outcomes but confers increased risk. Risk stratification to target aggressive treatment of high-risk individuals with early RA is considered important to optimize outcomes while minimizing clinical and monetary costs. Some advocate the addition of magnetic resonance imaging (MRI) to standard RA risk stratification with clinical markers for patients early in the disease course. Our objective was to determine the incremental cost-effectiveness of adding MRI to standard risk stratification in early RA. METHODS: Using a decision analysis model of standard risk stratification with or without MRI, followed by escalated standard treatment protocols based on treatment response, we estimated 1-year and lifetime quality-adjusted life-years, RA-related costs, and incremental cost-effectiveness ratios (with MRI vs without MRI) for RA patients with fewer than 12 months of disease and no baseline radiographic erosions. Inputs were derived from the published literature. We assumed a societal perspective with 3.0% discounting. RESULTS: One-year and lifetime incremental cost-effectiveness ratios for adding MRI to standard testing were $204 103 and $167 783 per quality-adjusted life-year gained, respectively. In 1-way sensitivity analyses, model results were insensitive to plausible ranges for every variable except MRI specificity, which published data suggest is below the threshold for MRI cost-effectiveness. In probabilistic sensitivity analyses, most simulations produced lifetime incremental cost-effectiveness ratios in excess of $100 000 per quality-adjusted life-year gained, a commonly cited threshold. CONCLUSION: Under plausible clinical conditions, adding MRI is not cost-effective compared with standard risk stratification in early-RA patients. |
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Authors:
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Lisa G Suter; Liana Fraenkel; R Scott Braithwaite |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Archives of internal medicine Volume: 171 ISSN: 1538-3679 ISO Abbreviation: Arch. Intern. Med. Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-04-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0372440 Medline TA: Arch Intern Med Country: United States |
Other Details:
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Languages: eng Pagination: 657-67 Citation Subset: AIM; IM |
Affiliation:
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Section of Rheumatology, Department of Internal Medicine, Yale University School of Medicine, 300 Cedar St, Room TAC S541, PO Box 208031, New Haven, CT 06520-8031. lisa.suter@yale.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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