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Farmacovigilancia de interacciones medicamentosas en pacientes afiliados al sistema de salud de Colombia / Drug surveillance of medication interactions in patients affiliated to the health system in Colombia
Machado Alba, Jorge; Giraldo Giraldo, Claudia.
  • Machado Alba, Jorge; Universidad Tecnológica de Pereira. Pereira. CO
  • Giraldo Giraldo, Claudia; Universidad Tecnológica de Pereira. Pereira. CO
Investig. andin ; 13(22): 151-161, abr. 2011.
Article in Spanish | LILACS | ID: lil-585559
RESUMEN
Objetivos: determinar las posibles interacciones medicamentosas que generen problemas relacionados con medicamentos de seguridad, necesidad o efectividad, mediante la búsqueda activa en bases de datos de pacientes afiliados al Sistema General de Seguridad Social en Salud.Métodos: a partir de las bases de datos de dispensación de medicamentos deAudifarma S.A, a unos 3,7 millones de usuarios del país, se hizo una revisiónsistemática de estadísticas de una serie de medicamentos identificados porpresentar interacciones.Resultados: del total de pacientes que tomaban omeprazol se encontró que 12,3 porciento recibían concomitantemente hidróxido de magnesio mas aluminio; 1,7 porciento recibían ranitidina; 1,0 porciento sucralfato, además 0,3 porciento tomaban simultáneamente omeprazol+ sucralfato + hidróxido de magnesio y aluminio y 0,4 porciento omeprazol + ranitidina + hidróxido de magnesio y aluminio, que no potencian el efecto antiulceroso o pueden antagonizar sus acciones. También se halló que el 0,2 porciento de pacientes que tomaban verapamilo recibían al mismo tiempo digoxina o metil digoxina con riesgo de aumentar la toxicidad y antagonizar el efecto inotrópico. Todos los casos fueron notificados a los responsables de su atención sanitaria.Discusión: interacciones medicamentosas representan un riesgo potencial, el cual debe ser tenido en cuenta por los médicos prescriptores. La fármacovigilancia permite optimizar recursos y prevenir eventos adversos que puedan potencialmente causar morbilidad o letalidad. Se recomienda considerar la búsqueda en bases dedatos para reforzar los programas de vigilancia de uso de medicamentos en el país.
ABSTRACT
Objectives: to determine the possible medication interactions that generateproblems related to safety medications, needs or effectiveness, throughout theactive search in data bases of patients affiliated to the General Health System of Social Security. Methods: based on the data base from Audifarma S.A. in regards to the distribution of medications to 3.7 million of users in the country, a systematic review of thestatistics of a series of drugs identified for presenting interactions. Results: out of the total of patients that were taking omeprazol, it was found that 12.3% at the same time received magnesium hydroxide plus aluminum; 1.7%received ranitidine; 1.0% sucralfate, and also 0.3% were at the same time taking omeprazol + sucralfate+magnesium hydroxide and aluminum and 0.4% omeprazol + ranitidine+magnesium hydroxide and aluminum, which do not maximize the anti ulcerous effect or may antagonize its actions. It was also found that 0.2% of the patients was taking verapamil and at the same time received digoxin or methyl digoxin with the risk of increasing the toxicity and antagonizing its inotropic effect. All these cases were notified to those responsible for their sanitary attention. Discussion: medication interactions represent a potential risk, which has to be considered by the prescribing doctors. Drug surveillance allows the optimization of resources and the prevention of adverse events which may potentially cause mortality or be lethal. It is recommended that data bases be searched in order to reinforce the surveillance programs in relation to the use of medicines in the country.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Ranitidine / Omeprazole / Pharmacoepidemiology Type of study: Screening study / Systematic reviews Limits: Humans Country/Region as subject: South America / Colombia Language: Spanish Journal: Investig. andin Journal subject: Nutritional Sciences / Public Health Year: 2011 Type: Article Affiliation country: Colombia Institution/Affiliation country: Universidad Tecnológica de Pereira/CO

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Full text: Available Index: LILACS (Americas) Main subject: Ranitidine / Omeprazole / Pharmacoepidemiology Type of study: Screening study / Systematic reviews Limits: Humans Country/Region as subject: South America / Colombia Language: Spanish Journal: Investig. andin Journal subject: Nutritional Sciences / Public Health Year: 2011 Type: Article Affiliation country: Colombia Institution/Affiliation country: Universidad Tecnológica de Pereira/CO