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Vol. 34. Issue 2.
Pages 176-180 (January 2010)
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Vol. 34. Issue 2.
Pages 176-180 (January 2010)
Demographic distribution and prevalence of overactive bladder in Venezuela
Distribución demográfica y prevalencia de la vejiga hiperactiva en Venezuela
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H.A. Dávila
Corresponding author
hugoalbertodav@gmail.com

Author for correspondence.
, V. López, L. Nieves, A. Colantuono, L. Guaiquirián, P. Sánchez, A. Kaufman, F. Acosta, S. Mack, N. Marcano, C. Martínez, J. Toro, O. Moreira, M. Hernández, A. Kanski, J. Delgado, R. Sánchez-Salas
Department of Urology, Hospital Universitario de Caracas, Caracas, Venezuela
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Abstract
Objective

there is little information available about overactive bladder (OAB) in South America. This study was intended to estimate the prevalence of overactive bladder in Venezuela based on the 2002 consensus criteria of the International Continence Society (ICS) and to ascertain its demographic distribution in the country.

Subjects and methods

from 2003 to 2007, a multicenter, prospective patient evaluation was conducted in different cities of Venezuela. A total of 3,407 adults (38% male and 62% female) aged 18–75 years (mean, 54 years) completed a physician-guided questionnaire (OAV-V8) on urinary symptoms, bladder function, diet, general habits, and general medical condition. Statistical analysis was performed using software based on R programming for computational statistics.

Results

a 21% overall prevalence of OAB in Venezuela was measured. Females were more affected than males (25.6% versus 13.7% in males, p<0.005). OAB was detected at an early age (18 years) and continued to be more prevalent in females (males 9% and females 14%). The greatest prevalence of OAB in the cohort studied was found in the subgroup aged 65–69 years. A value of p<0.005, with a 95% confidence interval, was considered significant in all statistical tests.

Conclusion

the OAB-V8 questionnaire is of value to clearly identify patients with OAB symptoms. The overall prevalence of OAB in Venezuela is 21%. OAB occurs in both sexes, but mainly in females, and may be detected at an early age.

Keywords:
Overactive bladder
Prevalence
Incontinence
Resumen
Objetivo

existe escasa información sobre la vejiga hiperactiva (VH) en Suramérica. El objetivo de este estudio era calcular la prevalencia de la vejiga hiperactiva en Venezuela basándonos en los criterios de consenso de la International Continence Society (ICS) de 2002 y comprobar su distribución demográfica en el país.

Sujetos y métodos

desde 2003 a 2007 realizamos una evaluación prospectiva multicéntrica de pacientes en distintas ciudades de Venezuela. Un total de 3.407 adultos (38% varones y 62% mujeres) de 18 a 75 años de edad (media: 54 años) contestaron un cuestionario guiado por un médico (OAB-V8) sobre síntomas urinarios, función vesical, dieta, hábitos generales y estado médico general. Los procedimientos estadísticos se realizaron mediante software basado en programación R para estadística computacional.

Resultados

se determinó una prevalencia global de la VH en Venezuela del 21%. Las mujeres estaban más afectadas que los varones (25,6 frente a 13,7% en varones, p<0,005). La VH se detectó a edad temprana (18 años) y mantuvo una mayor prevalencia en las mujeres (varones 9% y mujeres 14%). En la cohorte estudiada la mayor prevalencia de VH se dio en el subgrupo de 65 a 69 años de edad. En todas las pruebas estadísticas se consideró significativo un valor de p<0,005, con un intervalo de confianza del 95%.

Conclusión

el cuestionario OAB-V8 ayuda a identificar claramente a los pacientes con síntomas de VH. La prevalencia global de la VH en Venezuela es del 21%. Está presente en ambos sexos, pero sobre todo en las mujeres y puede detectarse a una edad temprana.

Palabras clave:
Vejiga hiperactiva
Prevalencia
Incontinencia

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