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Vol. 36. Issue 8.
Pages 491-496 (September 2012)
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Vol. 36. Issue 8.
Pages 491-496 (September 2012)
Casuistry
Effects of surface electrical stimulation in older women with stress urinary incontinence: A randomized controlled pilot study
Efectos de la electroestimulación superficial en las mujeres mayores con incontinencia urinaria de esfuerzo: estudio piloto aleatorio controlado
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V.S. Pereira??
Corresponding author
vanft05@yahoo.com.br

Corresponding author.
, L. Bonioti, G.N. Correia, P. Driusso
Departamento de Terapia Física, Universidad Federal de São Carlos, Brazil
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Tables (3)
Table 1. Demographic and clinic characteristics of the study participants (n=14).
Table 2. Values of urinary leakage and pelvic floor muscle pressure for the groups before and after treatment.
Table 3. Values of the KHQ domains for the groups.
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Abstract
Objective

The objective of this study was to evaluate the effects of surface electrical stimulation in elderly women with stress urinary incontinence (SUI) as compared to no treatment.

Materials and methods

This randomized controlled pilot study included women over the age of 60 years, with at least one episode of stress urinary leakage during the previous month. Fourteen women were allocated according to a computer generated randomization list in two groups: surface electrical stimulation (SES), and control group (CG). The women in the SES group were treated with surface electrical stimulation using four electrodes, during six weeks with two weekly sessions of 20min each. They were evaluated before and after treatment primary outcome, urinary leakage, and secondary outcomes, King's Health Questionnaire, pressure perineometry, and subjective satisfaction.

Results

For the urinary leakage, there was a significant decrease in SES group after treatment (p=.017). Significant differences were observed between the SES group and CG in the evaluation after treatment (p<.01; effect size: −1.38; 95% confidence interval from 1.18 to 14.14). No significant differences were observed in both groups for the outcome pelvic floor muscle pressure. In the evaluation of quality of life, a significant reduction of score in the gravity domain was observed for the SES group after treatment (p=.017).

Conclusion

The results of this study showed that surface electrical stimulation in elderly women with SUI can be an effective method for the improvement of urinary leakage.

Keywords:
Urinary incontinence
Electrical stimulation
Physical therapy
Resumen
Objetivos

El objetivo de este estudio fue evaluar los efectos de la estimulación eléctrica de superficie en mujeres con incontinencia urinaria de esfuerzo (IUE) sin comparala con ningún tratamiento.

Material y métodos

Este estudio piloto, aleatorio y controlado, incluyó mujeres mayores de 60 años con al menos un episodio de fuga de orina de esfuerzo durante el mes anterior. Catorce mujeres fueron distribuidas aleatoriamente en 2 grupos: estimulación eléctrica de superficie (EES) y grupo control (GC). Las mujeres en el grupo EES fueron tratadas con estimulación eléctrica de superficie con 4 electrodos durante 6 semanas, con 2 sesiones semanales de 20min. Fueron evaluadas antes y después del tratamiento para el resultado primario, la pérdida de orina, y para los secundarios, mediante el Cuestionario de Salud de King, presión de la contracción y la satisfacción subjetiva.

Resultados

Para el escape de orina se observó una disminución significativa en el grupo EES después del tratamiento (p=0,017). Se apreciaron diferencias significativas entre el grupo EES y GC en la evaluación después del tratamiento (p<0,01; tamaño del efecto: ≤1,38, IC del 95% de 1,18 a 14,14). No se observaron diferencias significativas en ambos grupos para el resultado de presión de la contracción. En la calidad de vida se constató una reducción significativa de la puntuación en el dominio de la gravedad para el grupo EES después del tratamiento (p=0,017).

Conclusiones

Los resultados demostraron que la estimulación eléctrica de superficie en mujeres con IUE puede ser un método eficaz para la mejora de las pérdidas de orina.

Palabras clave:
Incontinencia urinaria
Estimulación eléctrica
Terapia física

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