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)?
Sí = 1
Incierto = 0,5
No relevante = 0
No = 0
La evaluación de los criterios de información evalúa la transparencia con la que los autores informan de las características metodológicas y del ensayo dentro de la publicación. La evaluación se divide en cinco categorías que se presentan a continuación.
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
El Índice de Fragilidad es una herramienta que ayuda en la interpretación de hallazgos significativos, proporcionando una medida de fuerza para un resultado. El Índice de Fragilidad representa el número de eventos consecutivos que es necesario añadir a un resultado dicotómico para que el hallazgo deje de ser significativo. Un número pequeño representa un hallazgo más débil y un número grande un hallazgo más fuerte.
¿Por qué se necesitaba ahora este estudio?
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.
¿Cuál era la pregunta principal de la investigación?
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?
¿Cuáles fueron los hallazgos importantes?
- 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.
¿Qué es lo que más debo recordar?
Following intramedullary nailing of a tibial fracture, low-intensity pulsed ultrasound did not appear to be cost-effective when compared to sham LIPUS.
¿Cómo afectará esto al cuidado de mis pacientes?
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.
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