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Estudio de prevalencia de interacciones farmacológicas en pacientes ancianos hospitalizados utilizando programas informáticos en línea / Study of the prevalence of drug interactions in elderly hospitalized patients using online software
Iraci, Gabriel S; Montrull, Hilda L; Alfaro, Valeria; Lami, Noelia.
Affiliation
  • Iraci, Gabriel S; Clínica Privada Colombo. Córdoba. Argentina
  • Montrull, Hilda L; Universidad Nacional de Córdoba. Córdoba. Argentina
In. Ministerio de Salud de Argentina-MSALARG. Comisión Nacional Salud Investiga. Becas de investigación Ramón Carrillo - Arturo Oñativia: anuario 2010. Buenos Aires, Ministerio de Salud, 2012. p.110-111. (127569).
Monography in English, Spanish | BINACIS | ID: bin-127569
Responsible library: AR392.1
Localization: WA; 20.5, MdS, 2010
RESUMEN

INTRODUCCION:

Las interacciones farmacológicas son un fenómeno frecuente en la polifarmacia. La gran mayoría no representa un riesgo para la salud, pero un porcentaje de esas interacciones puede comprometer la vida de los pacientes.

OBJETIVO:

Investigar la prevalencia de interacciones farmacológicas en una muestra de pacientes ancianos hospitalizados.

METODOS:

Se analizó una muestra de ingresos hospitalarios de pacientes mayores de 65 años. Se consignó sexo, edad, cobertura social, motivo de ingreso, patologías crónicas y drogas prescriptas. La prevalencia de interacción farmacológica fue pesquisada con dos programa InterDrugs« (ID«) y Drug Interaction Checker« (DIC«). Las interacciones se clasificaron en leves, moderadas o severas.

RESULTADOS:

Se analizaron 556 pacientes, con un 55,4% de mujeres y una media de 77 años. Se prescribieron 3.331 drogas con una moda de 6 por pacientes. Se registró un total de 196 monodrogas, y un 50,6% de lo prescripto correspondió a sólo 12 monodrogas. El 19,9% y 15,1% de las interacciones fueron moderadas y el 6,3% y 4,6% fueron severas, según ID« y DIC« respectivamente. Hubo una correlación positiva de las interacciones moderadas y severas con el número de drogas según DIC« (r=0,428 P=0,0001) e ID« (r=0,464; P=0,0001) con un riesgo relativo 5,2 veces mayor a partir de la quinta droga prescripta para ambos programas (P=0,0001).

CONCLUSIONES:

Las interacciones moderadas a severas tienen una prevalencia de 8 a 15%. El uso de cinco drogas o más incrementa el riesgo en 5,1 veces. La prescripción de digoxina, amiodarona y espirinolactona aumenta por sí misma la probabilidad de una interacción farmacológica.
ABSTRACT

INTRODUCTION:

Drug interactions are a prequent event within polypharmacy. The great majority does not represent any risk for health, but a percentage of them can compromise the life of patients.

OBJECTIVE:

To investigate the prevalence of drug interactions in a sample of hospitalized elderly patients.

METHODS:

Analysis of a sample of hospital admissions for patients older than 65 years, considerin sex, age, social service, reason for admission, chronic pathologies and prescribed drugs. The prevalence of drug interaction was addressed with two software programs InterDrugs« (ID«) and Drug Interaction Checker« (DIC«). The interactions were classified as mild, moderate or severe.

RESULTS:

556 patients were analyzed, with 55.4% of women and an average age of 77 years. The prescribed drugs totaled 3.331, with a mode of 6 per patient. There were only 196 single drugs, and 50.6% of the prescriptions were for onle 12 single drugs. 19.9% and 15.1% of drug interactions were moderate and 6.3% and 4.6% were severe according to ID« and DIC«, respectively. There was a positive correlation of moderate and severe drug interactions with the number of drugs according to DIC« (r=0.428; P=0.0001) and ID« (r=0.464; P=0.0001) with a 5.2 fold increase in the relative risk starting from the fifth drug prescribed (P=0.0001)-

CONCLUSIONS:

Moderate to severe interactions have a prevalence of 8 to 15%. Using 5 or more drugs increases the risk 5.2 times. The prescription of digoxine, amiodarone and spirinolactone increases the risk of drug interaction.
Subject(s)

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Collection: National databases / Argentina Database: BINACIS Main subject: Pharmacology / Software / Cross-Sectional Studies / Drug Interactions / Health of Institutionalized Elderly Type of study: Etiology study / Observational study / Prevalence study / Risk factors / Screening study Aspects: Patient-preference Limits: Aged / Aged, 80 and over Country/Region as subject: South America / Argentina Language: English / Spanish Year: 2012 Document type: Monography Institution/Affiliation country: Clínica Privada Colombo/Argentina / Universidad Nacional de Córdoba/Argentina
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Collection: National databases / Argentina Database: BINACIS Main subject: Pharmacology / Software / Cross-Sectional Studies / Drug Interactions / Health of Institutionalized Elderly Type of study: Etiology study / Observational study / Prevalence study / Risk factors / Screening study Aspects: Patient-preference Limits: Aged / Aged, 80 and over Country/Region as subject: South America / Argentina Language: English / Spanish Year: 2012 Document type: Monography Institution/Affiliation country: Clínica Privada Colombo/Argentina / Universidad Nacional de Córdoba/Argentina
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