Abstract
Objetivo
Determinar, en un período de 5 años, la prevalencia, la incidencia, la remisión, los patrones de cambio de la incontinencia urinaria (IU) y los factores asociados con los cambios en el estatus de continencia.
Diseño
Estudio longitudinal prospectivo.
Emplazamiento
Zona Básica de Salud de Cabra (Córdoba).
Participantes
Un total de 827 sujetos seleccionados en 1996 entre 5.139 personas ≥ 65 años mediante muestreo aleatorio estratificado por grupos de edad y seguidos entre 1996 y 2001.
Intervenciones
Encuesta domiciliaria.
Mediciones.
Preguntas sobre detección y severidad de la IU, datos sociodemográficos y valoración funcional. Se analizaron las variables explicativas para la probabilidad de estar vivo y desarrollar IU a los 5 años, respectivamente.
Resultados
La prevalencia de IU fue del 36% en 1996 y del 46% en 2001. La mortalidad fue similar en continentes eincontinentes. El 54,5% de los sujetos continentes en 1996 permaneció igual en 2001. Las tasas de incidencia y remisión alos 5 años fueron del 29 y 15%, respectivamente. En ambos sexos, la incontinencia ligera y moderada evolucionó principalmente hacia grados moderados y severos, mientras que la IU severa permaneció sin cambios en el 40,1%. La autopercepción de salud y la situación funcional son las principales variables queinfluyen tanto en la supervivencia como en la incidencia de IU.
Conclusiones
La prevalencia de IU es alta, la incidencia es moderada y la remission espontánea baja. La IU es un problema dinámico y no afecta la mortalidad. Eldeterioro de la movilidad influye fuertemente en la incidencia de IU.
Palabras clave: Incontinencia urinaria, Ancianos, Prevalencia, Incidencia, Remisión, Seguimiento
Abstract
Objective
To determine prevalence, incidence and remission rates and change patterns of urinary incontinence (UI) over a 5-year time span.
Design
Longitudinal study.
Location
Basic Health Zone of Cabra (Córdoba).
Patients
A random age-stratified sample of 827 subjects selected from a total of 5139 persons ≥65 years of age and followed up between 1996 and 2001.
Interventions
Home interview.
Measurements
Questions about detection and level of severity of UI, sociodemographic data, and level of functioning. Two logistic regression models were created to identify risk factors for the probability to be alive and to develop UI, respectively.
Results
UI prevalence reached 36% at baseline and 46% five years later. Mortality rates were similar in continent and incontinent subjects. 54.5% of continent subjects in 1996 remained so in 2001. Five-year incidence and remission rates were 29% and 15%, respectively. In both sexes, slight and moderate incontinence mainly progressed to moderate and severe degrees, whereas severe UI remained unchanged in 40.1%. The main risk factors for increased survival and for UI incidence were self-rated health and level of functioning.
Conclusions
Prevalence of UI is high, incidence is moderate and remission is low. Urinary incontinence is a dynamic problem and does not affect mortality. Impaired mobility has a strong influence on UI incidence.
Key words: Urinary incontinence, Old aged, Prevalence, Incidence, Remission, Follow-up
Footnotes
Un resumen de este artículo fue presentado el día 5 de julio de 2003 en Barcelona, durante el 5.° Congreso Europeo de Gerontología de la Asociación Internacional de Gerontología.
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