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Five-year outcomes of a randomized trial of treatments for varicose veins

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  • Embargoed (until 5/03/20)

Author(s)

Julie Brittenden, David Cooper, Maria Dimitrova, Graham Scotland, Seonaidh C. Cotton, Andrew Elders, Graeme MacLennan, Craig R. Ramsay, John Norrie, Jennifer M. Burr, Bruce Campbell, Paul Bachoo, Ian Chetter, Michael Gough, Jonothan Earnshaw, Tim Lees, Julian Scott, Sara A. Baker, Emma Tassie, Jill Francis & 1 others Marion K Campbell

School/Research organisations

Abstract

Background: Endovenous laser ablation and ultrasound-guided foam sclerotherapy are recommended alternatives to surgery for the treatment of primary varicose veins, but their long-term comparative effectiveness remains uncertain.

Methods: In a randomized, controlled trial involving 798 participants with primary varicose veins at 11 centers in the United Kingdom, we compared the outcomes of laser ablation, foam sclerotherapy, and surgery. Primary outcomes at 5 years were disease-specific quality of life and generic quality of life, as well as cost-effectiveness based on models of expected costs and quality-adjusted life-years (QALYs) gained that used data on participants’ treatment costs and scores on the EuroQol EQ-5D questionnaire.

Results: Quality-of-life questionnaires were completed by 595 (75%) of the 798 trial participants. After adjustment for baseline scores and other covariates, scores on the Aberdeen Varicose Vein Questionnaire (on which scores range from 0 to 100, with lower scores indicating a better quality of life) were lower among patients who underwent laser ablation or surgery than among those who underwent foam sclerotherapy (effect size [adjusted differences between groups] for laser ablation vs. foam sclerotherapy, −2.86; 95% confidence interval [CI], −4.49 to −1.22; P<0.001; and for surgery vs. foam sclerotherapy, −2.60; 95% CI, −3.99 to −1.22; P<0.001). Generic quality-of-life measures did not differ among treatment groups. At a threshold willingness-to-pay ratio of £20,000 ($28,433 in U.S. dollars) per QALY, 77.2% of the cost-effectiveness model iterations favored laser ablation. In a two-way comparison between foam sclerotherapy and surgery, 54.5% of the model iterations favored surgery.

Conclusions: In a randomized trial of treatments for varicose veins, disease-specific quality of life 5 years after treatment was better after laser ablation or surgery than after foam sclerotherapy. The majority of the probabilistic cost-effectiveness model iterations favored laser ablation at a willingness-to-pay ratio of £20,000 ($28,433) per QALY.
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Original languageEnglish
Pages (from-to)912-922
JournalNew England Journal of Medicine
Volume381
DOIs
Publication statusPublished - 5 Sep 2019

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