Journal
ANNALS OF SURGERY
Volume 271, Issue 4, Pages 765-773Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SLA.0000000000003074
Keywords
active surveillance; cost-effectiveness; papillary thyroid cancer; thyroid cancer; thyroid nodule
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Funding
- NIH-National Cancer Institute [R25CA092203, K07CA177900-01]
- American Thyroid Association Research Grant
- MGH Claflin Award
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Objective: To assess relative clinical and economic performance of the revised American Thyroid Association (ATA) thyroid cancer guidelines compared to current standard of care. Background: Diagnosis of thyroid cancer in the United States has tripled whereas mortality has only marginally increased. Most patients present with small papillary carcinomas and have historically received at least a total thyroidectomy as a treatment. In 2015, the ATA released the revised guidelines recommending an option for active surveillance (AS) of small papillary thyroid carcinoma and thyroid lobectomy for larger unifocal tumors. Methods: We created a Markov microsimulation model to evaluate the performance of the ATA's 2015 guidelines compared to the ATA's 2009 guidelines. We modeled a cohort of simulated patients with demographic and thyroid nodule characteristics representative of those presenting clinically in the United States. Outcome measures include life expectancy, quality-adjusted life years, costs, and frequency of surgical adverse events. Results: In our base case analysis, the ATA 2015 strategy dominates the ATA 2009 strategy. The ATA 2015 strategy delivers greater discounted average quality-adjusted life years (13.09 vs 12.43) at a lower discounted average cost ($14,752 vs $20,126). Deaths due to thyroid cancer under the 2015 strategy are higher than the 2009 strategy but this is offset by a reduction in surgical deaths, leading to greater average life expectancy under the ATA 2015 strategy. The optimal strategy is sensitive to patients who experience a greater decrement in quality of life while undergoing AS. Conclusions: The ATA 2015 Guidelines represent a cost-effective strategy regarding AS and extent of surgery.
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