TRAUMA
Low-intensity pulsed ultrasound for treatment of tibial fractures: an economic evaluation of the TRUST study
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2018;6(9):19 Bone Joint J. 2017 Nov;99-B(11):1526-1532501 patients who had undergone intramedullary nail fixation for a fresh tibial fracture were randomized to either active low-intensity pulsed ultrasound (LIPUS) or sham LIPUS. Groups were compared for quality-adjusted life-years, based on the Health Utility Index Mark-3 (HUI-3), costs in 2015 Canadian dollars associated with treatment, and a cost-utility analysis was performed. Active LIPUS demonstrated significantly greater costs compared to the sham group, with no significant difference in QALYs. Incremental cost-effectiveness ratios (ICER) ranged from $146,006/QALY gained to $155,443/QALY gained with the use of LIPUS, and cost-effectiveness acceptability curves (CEAC) estimated 1% likelihood of LIPUS being cost-effective at a willingness-to-pay threshold of $50,000 from a payer perspective.
Was the allocation sequence adequately generated?
Was allocation adequately concealed?
Blinding Treatment Providers: Was knowledge of the allocated interventions adequately prevented?
Blinding Outcome Assessors: Was knowledge of the allocated interventions adequately prevented?
Blinding Patients: Was knowledge of the allocated interventions adequately prevented?
Was loss to follow-up (missing outcome data) infrequent?
Are reports of the study free of suggestion of selective outcome reporting?
Were outcomes objective, patient-important and assessed in a manner to limit bias (ie. duplicate assessors, Independent assessors)?
Was the sample size sufficiently large to assure a balance of prognosis and sufficiently large number of outcome events?
Was investigator expertise/experience with both treatment and control techniques likely the same (ie.were criteria for surgeon participation/expertise provided)?
はい = 1
不確実=0.5
無関係 = 0
いいえ = 0
報告基準評価では、著者が出版物内で試験の方法論的特徴や試験特性を報告する際の透明性を評価します。評価は以下の5つのカテゴリーに分類されます。
4/4
Randomization
4/4
Outcome Measurements
4/4
Inclusion / Exclusion
4/4
Therapy Description
4/5
Statistics
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
Fragility Indexは、重要な所見の解釈を助けるツールで、結果の強さの尺度を提供します。Fragility Indexは、その所見が有意でなくなるために、二項対立の結果に追加する必要がある連続した事象の数を表します。数値が小さいほど弱い所見を表し、数値が大きいほど強い所見を表します。
なぜ今この研究が必要なのですか?
Low-intensity pulsed ultrasound (LIPUS) is currently used as an intervention to reduce time to fracture healing and decrease the risk of nonunion. However, high-quality evidence in support of these benefits has been inconsistent, and most recent evidence has pointed to similar outcomes with and without LIPUS treatment. A cost-utility analysis, performed alongside a large randomized controlled trial (The Trial to Re-evaluate Ultrasound in the Treatment of Tibial Fractures [TRUST]) was thus needed.
主な研究課題は何ですか?
Is the use of LIPUS following operative management of a fresh tibial fracture cost-effective, as measured by incremental cost-effectiveness ratio and against willingness-to-pay thresholds of either $50,000 and $100,000?
重要な知見は?
- Total cost from a payer perspective (ie. not including wage loss) was significantly higher in the LIPUS group ($5656 [95%CI 5389-5923]) compared to the placebo group ($2009 [95%CI 1680-2338]) (p<0.001). Total cost from a societal perspective was also significantly higher in the LIPUS group ($13901[95%CI 12616-15186]) compared to the placebo group ($10475 [95%CI 9128-11823]) (p<0.001).
- Total QALYs gained did not significantly differ between the LIPUS group (0.686 [95%CI 0.666-0.705]) and the placebo group (0.662 [95%CI 0.639-0.685]) (p=0.47).
- From a payer perspective, ICER was $155,443/QALY gained. From a societal perspective, ICER was $146,006/QALY gained.
- From a payer perspective, CEAC demonstrated a 1% probability of LIPUS being cost-effective at a willingness-to-pay threshold of $50,000 and a 23% chance of being cost-effective at a willingness-to-pay threshold of $100,000.
- From a societal perspective, CEAC demonstrated a 5% probability of being cost-effective at a willingness-to-pay threshold of $50,000 and a 31% chance of being cost-effective at a willingness-to-pay threshold of $100,000.
最も覚えておくべきことは?
Following intramedullary nailing of a tibial fracture, low-intensity pulsed ultrasound did not appear to be cost-effective when compared to sham LIPUS.
それが私の患者ケアにどのように影響するか?
The results of this study suggest that routinely prescribing LIPUS use following intramedullary nail fixation of a fresh tibial fracture is unlikely to be a cost-effective practice.
免責事項
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