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Costo-efectividad de la vacunación contra influenza pandémica en mujeres embarazadas en Colombia

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Date
2012
Author
Chocontá-Piraquive, Luz Angela
Alvis Guzmán, Nelson
De la Hoz Restrepo, Fernando
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Abstract
OBJETIVO: Estimar la relación costo-efectividad de la vacunación contra influenza pandémica A (H1N1) 2009 en mujeres embarazadas en Colombia durante la segunda onda de la pandemia. MÉTODOS: Se construyó un árbol de decisiones que simulaba los resultados sanitarios (muertes y años potenciales de vida perdidos, APVP) en dos cohortes de mujeres embarazadas, una vacunada y otra sin vacunar. Los parámetros del modelo fueron extraídos de la literatura científica y los costos se estimaron a partir de un estudio previo. Se calcularon razones de costo-efectividad incrementales (RCEI). RESULTADOS: La vacunación de embarazadas contra influenza pandémica habría evitado entre 4 664 y 15 741 consultas ambulatorias y entre 119 y 401 hospitalizaciones. Los costos de atención evitados serían de US$ 249 530 a US$ 842 163. Para el escenario base, vacunar embarazadas sería costo-efectivo (RCEI/APVP evitado US$ 7 657). Esta RCEI fue sensible a la letalidad de la enfermedad; en escenarios de baja letalidad la vacunación no sería costo-efectiva en Colombia. CONCLUSIONES: La vacunación en embarazadas contra influenza pandémica es costo-efectiva en un escenario de alta mortalidad. La evidencia existente de que las mujeres embarazadas tienen mayor riesgo de presentar complicaciones y de que la vacuna es segura justificaría su uso en embarazadas.(AU)
 
OBJECTIVE: Estimating the cost-effectiveness ratio of vaccinating pregnant women against the 2009 pandemic influenza A (H1N1) in Colombia during the second wave of the pandemic. METHODS: A decision tree was constructed, which simulated the health results (deaths and years of potential life lost [YPLL]) in two cohorts of pregnant women; one vaccinated, the other unvaccinated. The model's parameters were drawn from scientific literature and costs were estimated on the basis of a previous study. Incremental cost-effectiveness ratios (ICER) were calculated. RESULTS: Vaccinating pregnant women against pandemic flu would have prevented between 4 664 and 15 741 outpatient visits and between 119 and 401 hospitalizations. Between US$ 249 530 and US$ 842 163 in costs of care would have been avoided. For the base scenario, vaccinating pregnant women would be cost-effective (ICER/YPLL avoided US$ 7 657). This ICER was responsive to the disease's fatality rate; vaccina tion would not be cost-effective in Colombia in scenarios with a lower fatality rate. CONCLUSIONS: Vaccinating pregnant women against pandemic influenza is cost-effective in a scenario with a high mortality rate. The existing evidence that pregnant women are at increased risk of complications and that the vaccine is safe would justify its use in pregnant women.(AU)
 
Series
Rev Panam Salud Publica;31(6),jun. 2012
Subject
Costos y Análisis de Costos; Subtipo H1N1 del virus de la influenza A; Vacunas contra la Influenza; Mujeres embarazadas; Cobertura de vacunación; Colombia; Cost and cost analysis; Influenzavirus A; Influenza vaccines; Pregnant Women; Immunization Coverage; Colombia; Vacinas contra Influenza; Influenza Humana; Influenza Humana; Complicações Infecciosas na Gravidez; Complicações Infecciosas na Gravidez; Análise Custo-Benefício; Árvores de Decisões; Influenza Humana; Pandemias; Complicações Infecciosas na Gravidez
URI
http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892012000600001
https://iris.paho.org/handle/10665.2/9316
Citation
Chocontá-Piraquive, Luz Angela,Alvis Guzmán, Nelson,De la Hoz Restrepo, Fernando (2012) Costo-efectividad de la vacunación contra influenza pandémica en mujeres embarazadas en Colombia. Rev Panam Salud Publica;31(6) 447-453,jun. 2012. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892012000600001
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  • Pan American Journal of Public Health

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