The cost-effectiveness of open or thoracoscopic thymectomy compared to medical treatment in managing myasthenia gravis without thymomas

Objective Assessing the cost-effectiveness of open or thoracoscopic thymectomycompared to medical therapy in managing myasthenia gravis not associated with thymoma.Methods A Markov model was designed for evaluating three strategies’ costeffectiveness.Transition probabilities were taken from the pert...

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Autores:: Chicaiza Becerra, Liliana Alejandra
García-Molina, Mario
Gamboa, Oscar
Castañeda, Carlos

Tipo de recurso:: Article of journal

Fecha de publicación:: 2012

Institución:: Universidad Nacional de Colombia

Repositorio:: Universidad Nacional de Colombia

Idioma:: spa

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Summary:	Objective Assessing the cost-effectiveness of open or thoracoscopic thymectomycompared to medical therapy in managing myasthenia gravis not associated with thymoma.Methods A Markov model was designed for evaluating three strategies’ costeffectiveness.Transition probabilities were taken from the pertinent literature; the costs were estimated from official tariff manuals. Incremental cost-effectiveness ratios were estimated and probabilistic and deterministic sensitivity analysis was used for clinical variables, costs and the model´s assumptions.Results Thoracoscopic thymectomy was the most effective and least costly strategy and dominated the other two alternatives. The cost per life year gained was Col $ 1 129 531 without discount and Col $ 805 179 with discount. Univariate sensitivity analysis showed that the main variables affecting the results were the effects’ discount rate, the cost of a myasthenic crisis and the probability of complete remission. Thoracoscopy thymectomy was the most cost-effective strategy for different thresholds of willingness to pay in probabilistic analysis.Conclusions Thoracoscopic thymectomy is a cost-effective strategy in the treatment of MG without thymoma.

The cost-effectiveness of open or thoracoscopic thymectomy compared to medical treatment in managing myasthenia gravis without thymomas

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