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Cost-effectiveness of endovascular thrombectomy in patients with acute ischemic stroke
Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Medicinska fakulteten.
Sahlgrenska Academy, University of Gothenburg.
Sahlgrenska Academy, University of Gothenburg.
University of Umeå, Sweden; Danderyd Hospital Karolinska Institutet, Sweden, Sweden.
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2016 (Engelska)Ingår i: Neurology, ISSN 0028-3878, E-ISSN 1526-632X, Vol. 86, nr 11, s. 1053-1059Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

OBJECTIVE: To evaluate the cost-effectiveness of adding endovascular thrombectomy to standard care in patients with acute ischemic stroke.

METHODS: The cost-effectiveness analysis of endovascular thrombectomy in patients with acute ischemic stroke was based on a decision-analytic Markov model. Primary outcomes from ESCAPE, Extending the Time for Thrombolysis in Emergency Neurological Deficits-Intra-Arterial (EXTEND-IA), Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands (MR CLEAN), Endovascular Revascularization With Solitaire Device Versus Best Medical Therapy in Anterior Circulation Stroke Within 8 Hours (REVASCAT), and Solitaire with the Intention for Thrombectomy as Primary Endovascular Treatment for Acute Ischemic Stroke (SWIFT PRIME) along with data from published studies and registries were used in this analysis. We used a health care payer perspective and a lifelong time horizon to estimate costs and effects.

RESULTS: The model showed that adding thrombectomy with stent retrievers to guideline-based care (including IV thrombolysis) resulted in a gain of 0.40 life-years and 0.99 quality-adjusted life-years along with a cost savings of approximately $221 per patient. The sensitivity analysis showed that the results were not sensitive to changes in uncertain parameters or assumptions.

CONCLUSIONS: Adding endovascular treatment to standard care resulted in substantial clinical benefits at low costs. The results were consistent throughout irrespective of whether data from ESCAPE, EXTEND-IA, MR CLEAN, REVASCAT, or SWIFT PRIME were used in this model.

Ort, förlag, år, upplaga, sidor
Lippincott Williams & Wilkins, 2016. Vol. 86, nr 11, s. 1053-1059
Nationell ämneskategori
Hälso- och sjukvårdsorganisation, hälsopolitik och hälsoekonomi
Identifikatorer
URN: urn:nbn:se:liu:diva-126429DOI: 10.1212/WNL.0000000000002439ISI: 000371887200012PubMedID: 26873954OAI: oai:DiVA.org:liu-126429DiVA, id: diva2:914537
Anmärkning

Funding agencies: Dental and Pharmaceutical Benefits Agency

Tillgänglig från: 2016-03-24 Skapad: 2016-03-24 Senast uppdaterad: 2017-11-30
Ingår i avhandling
1. Health Economic Evaluations of Screening Programs - Applications and Method Improvements
Öppna denna publikation i ny flik eller fönster >>Health Economic Evaluations of Screening Programs - Applications and Method Improvements
2017 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

Screening to detect diseases early is attractive as it can improve the prognosis and decrease costs, but it is often a problematic concept and there are several pitfalls. Many healthy individuals have to be investigated to avoid a disease in a few, which results in a dilemma because to save a few, many are exposed to a procedure that could potentially harm them. Other examples of problems associated with screening are latent diseases and over-treating. The question of optimal design of a screening program is another source of uncertainty for decision-makers, as a screening program may potentially be implemented in very different ways. This highlights the need for structured analyses that weigh benefits against the harms and costs that occur as consequences of the screening.

The aim of this thesis is, therefore, to explore, develop and implement methods for health economic evaluations of screening programs. This is done to identify problems and suggest solutions to improve future evaluations and in extension policy making.

This aim was analysed using decision analytic cost-effectiveness analyses constructed as Markov models. These are well-suited for this task given the sequential management approach where all relevant data are unlikely to come from a single source of evidence. The input data were in this thesis obtained from the published literature and were complemented with data from Swedish registries and the included case studies. The case studies were two different types of screening programs; a program of screening for unknown atrial fibrillation and a program to detect colorectal cancer early. Further, the implementation of treatment with thrombectomy and novel oral anticoagulants were used to illustrate how factors outside the screening program itself have an impact on the evaluations.

As shown by the result of the performed analyses, the major contribution of this thesis was that it provided a simple and systematic approach for the economic evaluation of multiple screening designs to identify an optimal design.

In both the included case studies, the screening was considered costeffective in detecting the disease; unknown atrial fibrillation and colorectal cancer, respectively. Further, the optimal way to implement these screening programs is dependent on the threshold value for cost-effectiveness in the health care sector and the characteristics of the investigated cohort. This is because it is possible to gain increasingly more health benefits by changing the design of the screening program, but that the change in design also results in higher marginal costs. Additionally, changes in the screening setting were shown to be important as they affect the cost-effectiveness of the screening. This implies that flexible modelling with continuously updated models are necessary for an optimal resource allocation.

Ort, förlag, år, upplaga, sidor
Linköping: Linköping University Electronic Press, 2017. s. 84
Serie
Linköping University Medical Dissertations, ISSN 0345-0082 ; 1578
Nationell ämneskategori
Hälso- och sjukvårdsorganisation, hälsopolitik och hälsoekonomi
Identifikatorer
urn:nbn:se:liu:diva-141556 (URN)10.3384/diss.diva-141556 (DOI)9789176854914 (ISBN)
Disputation
2017-10-06, Belladonna, Campus US, Linköping, 13:00 (Engelska)
Opponent
Handledare
Tillgänglig från: 2017-09-29 Skapad: 2017-09-29 Senast uppdaterad: 2019-10-28Bibliografiskt granskad

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