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Vol. 34. Issue 5.
Pages 450-459 (January 2010)
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Vol. 34. Issue 5.
Pages 450-459 (January 2010)
Impact of nocturia on sleep quality in patients with lower urinary tract symptoms suggesting benign prostatic hyperplasia (LUTS/BPH). The NocSu Study
Impacto de la nocturia en la calidad del sueño en pacientes con síntomas del tracto urinario inferior sugestivos de hiperplasia benigna de la próstata. Estudio NocSu
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C. Hernándeza,
Corresponding author
carloshfdez@telefonica.net

Author for correspondence.
, E. Estivillb, A. Cantalapiedrac
a Department of Urology, Hospital Universitario Gregorio Marañón, Madrid, Spain
b Unit of Sleep Disorders, Institut Universitari Dexeus, Barcelona, Spain
c Medical Department, Astellas Pharma, SA, Madrid, Spain
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Abstract
Introduction

Nocturia is one of the main symptoms associated to BPH, causing significant sleep disturbances, including sleep interruptions. Such sleep interruptions may significantly impair quality of life.

Materials and methods

A multicenter, observational, cross-sectional, epidemiological study was conducted in patients with LUTS/BPH aged 60 years or over. In the study visit, demographic and clinical data were collected and quality of sleep questionnaires (MOS-Sleep Scale and COS) were administered.

Results

Among the total 249 patients recruited, 205 had nocturia (82.3%) and 44 (17.7%) had no nocturia. All patients should have an I-PSS score ≥ 13, and patients with mild symptoms were therefore excluded (62.9% had moderate and 37.1% severe symptoms). Patients with nocturia were seen to have more sleep problems than those without nocturia (more sleep disturbances, less sleep adequacy, more daily sleepiness, greater concern about their social and occupational functioning, etc).

Discussion

Patients with nocturia reported a worse quality of sleep than patients with LUTS/BPH but no nocturia. Nocturia resulted in frequent sleep interruptions, causing malaise and diurnal fatigue in affected patients. Use of therapeutic approaches to relieve or eliminate this undesirable effect may lead to an improvement in sleep quality and quality of life in BPH patients.

Keywords:
Nocturia
Sleep disturbances
Benign prostatic hyperplasia
Quality of life
Resumen
Introducción

La nocturia es uno de los principales síntomas asociados a la hiperplasia benigna de la próstata (HBP). Produce alteraciones importantes en el desarrollo del sueño, dando lugar a interrupción de éste, que puede ser causante de un deterioro significativo de la calidad de vida.

Método

Se realizó un estudio epidemiológico, multicéntrico, transversal en pacientes con síntomas del tracto urinario inferior/HBP de 60 años o mayores. Mediante una única visita, se recogieron datos sociodemográficos y clínicos y se evaluó la calidad de sueño de pacientes con y sin nocturia mediante dos cuestionarios específicos: Medical Outcomes Study Sleep Scale (MOS-Sleep Scale) y Cuestionario Oviedo del Sueño.

Resultados

Se incluyó a un total de 249 pacientes, de los cuales 205 presentaban nocturia (82,3%) y 44 no presentaban nocturia (17,7%). Todos los pacientes debían presentar una puntuación en el International Prostate Symptom Score (IPSS) superior o igual a 13, motivo por el cual no se incluyó a pacientes con sintomatología leve (el 62,9 moderados y el 37,1% graves). Se observó que los pacientes con nocturia presentaban más problemas de sueño que los pacientes sin nocturia (más alteraciones del sueño, menos adecuación del sueño, mayor somnolencia diurna, mayor preocupación por su funcionamiento sociolaboral, etc.).

Discusión

Los pacientes con nocturia indicaron que su calidad de sueño era muy inferior a la de pacientes con síntomas del tracto urinario inferior/HBP, pero sin nocturia. La nocturia era causa de interrupciones frecuentes del sueño, causando malestar y cansancio diurno en los individuos afectados. El uso de estrategias terapéuticas que palíen o eliminen este efecto indeseable puede ser causa de mejora en la calidad de sueño (y calidad de vida) de los pacientes con HBP.

Palabras clave:
Nocturia
Trastornos del sueño
Hiperplasia benigna de la próstata
Calidad de vida

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