2011, Número 6
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Rev Invest Clin 2011; 63 (6)
Las interacciones potenciales fármaco-fármaco están asociadas a la mortalidad hospitalaria en adultos mayores hospitalizados
Rosas-Carrasco Ó, García-Peña C, Sánchez-García S, Vargas-Alarcón G, Gutiérrez-Robledo LM, Juárez-Cedillo T
Idioma: Ingles.
Referencias bibliográficas: 35
Paginas: 564-573
Archivo PDF: 152.64 Kb.
RESUMEN
Antecedentes. El aumento de las interacciones potenciales fármaco-fármaco (potenciales DDI) es una consecuencia que los adultos mayores experimentan por un mayor número de medicamentos prescritos para una creciente variedad de enfermedades. Este incremento podría estar asociado con muerte hospitalaria.
Objetivo. Determinar si existe asociación entre la presencia de potenciales DDI y muerte hospitalaria en adultos mayores, así como describir la frecuencia de las potenciales DDI y caracterizar a los fármacos prescritos.
Material y métodos. Estudio retrospectivo mediante la revisión de expedientes de pacientes de 60 años o más que fueron ingresados en un hospital de segundo nivel. Las potenciales DDI fueron identificadas a través del programa Micromedex®. La comorbilidad se clasificó con el Índice de Charlson (ICC). Otras variables como el sexo, edad, número, tipo de fármaco, tipo de interacción y duración de la estancia hospitalaria fueron evaluados.
Resultados. 505 pacientes fueron incluidos, entre los cuales 62.77% presentaron al menos un tipo de potenciales DDI. El 15.25% de las interacciones moderadas se deben a la utilización combinada de inhibidores de la enzima convertidora de angiotensina con diuréticos de asa. Entre las interacciones graves, 14.92% se debió a la utilización combinada de fluroquinolonas con hipoglucemiantes. La duración de la estancia, alta comorbilidad, presencia de tres o más interacciones y mayor tiempo de exposición a la interacción, se asociaron, independientemente, con muerte hospitalaria.
Conclusiones. La presencia de potenciales DDI en adultos mayores es frecuente y puede estar implicada en la causa de muerte en estos pacientes.
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