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        "resumen" => "<span class="elsevierStyleSectionTitle">Antecedentes</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Los antiinflamatorios no esteroideos &#40;AINE&#41;&#44; utilizados en el tratamiento de la artrosis&#44; pueden producir reacciones adversas gastrointestinales &#40;GI&#41; graves&#46;</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Celecoxib&#44; un inhibidor espec&#237;fico de la ciclooxigenasa 2 &#40;COX-2&#41;&#44; ha demostrado una eficacia equivalente a los AINE convencionales con un mejor perfil de tolerabilidad y seguridad&#46;</p> <span class="elsevierStyleSectionTitle">Objetivo</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">La finalidad de este estudio ha sido realizar un an&#225;lisis coste-efectividad sobre el uso de celecoxib frente a los AINE cl&#225;sicos en el tratamiento de la artrosis&#46;</p> <span class="elsevierStyleSectionTitle">Material y m&#233;todos</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">El an&#225;lisis coste-efectividad se ha dise&#241;ado mediante un modelo farmacoecon&#243;mico&#44; defini&#233;ndose como unidad de efectividad a cada a&#241;o de vida ganado tras la toma de celecoxib o AINE&#46; La probabilidad de que aparezcan los diferentes resultados cl&#237;nicos se ha obtenido de art&#237;culos publicados y de asunciones incorporadas&#46;</p><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">S&#243;lo se han valorado los costes directos m&#233;dicos &#40;medicaci&#243;n&#44; hospitalizaci&#243;n&#44; pruebas complementarias&#44; anal&#237;ticas&#44; visitas extras&#44; etc&#46;&#41;&#44; sin haberse incluido otros costes&#46;</p><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">La perspectiva del estudio ha sido la del Sistema Nacional de Salud y el horizonte temporal elegido ha sido de 6 meses&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">El coste adicional por cada a&#241;o de vida ganado secundario al uso de celecoxib frente a los AINE cl&#225;sicos asciende a 8&#46;017 &#8364; &#40;1&#46;333&#46;834 ptas&#46;&#41;&#46; El an&#225;lisis de sensibilidad muestra c&#243;mo estos valores son sensibles a la modificaci&#243;n del coste de AINE y gastroprotector&#44; as&#237; como a la inclusi&#243;n de grupos poblacionales con edades m&#225;s bajas&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Celecoxib puede ser considerado como una opci&#243;n coste-efectiva en el tratamiento de la artrosis&#44; ya que va a evitar muertes y a ganar a&#241;os de vida para los pacientes con un coste adicional razonable y moderado&#44; cuando se compara con los AINE&#46; Su eficiencia aumenta a medida que se utiliza en poblaciones con menor edad media y&#44; probablemente&#44; en aquellas con mayor riesgo de desarrollar complicaciones GI&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Background</span><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Non-steroidal anti-inflammatory drugs &#40;NSAIDs&#41;&#44; used for the treatment of osteoarthritis&#44; can produce serious gastrointestinal &#40;GI&#41; adverse reactions&#46;</p><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Celecoxib&#44; a specific COX-2 inhibitor&#44; has a proven efficacy equivalent to that of traditional NSAIDs with an improved tolerance and safety profile&#46;</p> <span class="elsevierStyleSectionTitle">Objective</span><p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">The objective of this study was to perform a costeffectiveness analysis on the use of celecoxib versus traditional NSAIDs in the treatment of osteoarthritis&#46;</p> <span class="elsevierStyleSectionTitle">Material and Methods</span><p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">This cost-effectiveness analysis was designed through a pharmacoeconomic model&#59; each effectiveness unit was defined as each year of life gained after the ingestion of celecoxib or NSAIDs&#46; The probability of different clinical results appearing was obtained from published articles and incorporated assumptions&#46;</p><p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">Only direct medical costs were evaluated &#40;medication&#44; hospitalization&#44; additional tests&#44; analyses&#44; extra visits&#44; etc&#46;&#41; and other costs were excluded&#46;</p><p id="spar0070" class="elsevierStyleSimplePara elsevierViewall">The study perspective was the national health system and the time horizon chosen was 6 months&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">The additional cost for each year of life gained through the use of celecoxib compared with that of traditional NSAIDs amounted to 8017 &#8364; &#40;1&#44;333&#44;834 ptas&#41;&#46; Sensitivity analysis demonstrated how these values were sensitive to changes in the costs of NSAIDs and gastroprotective agents as well as to the inclusion of younger population groups&#46;</p> <span class="elsevierStyleSectionTitle">Conclusion</span><p id="spar0080" class="elsevierStyleSimplePara elsevierViewall">Celecoxib can be considered as a cost-effective option in the treatment of osteoarthritis because its use prevents deaths and increases survival rate and the additional cost is reasonable and moderate compared with that of NSAIDs&#46; Its efficiency increases in proportion to its use in younger patients and probably in those at high risk for developing GI complications&#46;</p>"
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