• M A Jiménez-Cidre, L López-Fando, A M Mora, and Grupo de Investigación de Resultados de Salud en Urología Funcional y Urodinámica.
• Hospital Universitario Ramón y Cajal, Madrid, España. Electronic address: mjcidre00@hotmail.com.
• Actas Urol Esp. 2019 Jun 1; 43 (5): 221-227.

ObjectiveTo evaluate the clinical and urodynamic differences (associated with the presence or absence of detrusor overactivity [DO]) in women with overactive bladder (OAB) referred to Functional Urology and Urodynamic Units in Spain.Material And MethodsObservational, cross-sectional, multicenter and prospective study conducted in Spain in women with clinical diagnosis of OAB, who had been referred to urodynamic study (UDS) of which centralized reading was performed. Patients completed the 3-day voiding diary (DM3d) with the PPIUS scale (Patient Perception of Intensity of Urgency Scale), the B-SAQ (Bladder Self-Assessment Questionnaire) and the OABq-SF (Overactive Bladder Questionnaire Short Form). The questionnaires and UDS variables of women with OAV, with or without DO, were compared using the Mann-Whitney test (continuous variables) and the chi-square test (χ2) (categorical variables).ResultsA total of 247 women with OAB were evaluated, and 103 of them had DO. According to the presence or absence of DO, significant differences were observed in the number of episodes of urge urinary incontinence (UUI), urinary frequency, nocturia, mean micturition volume and number of pads (P<.05 for all comparisons). A higher percentage of patients with OAB and DO presented reduced bladder capacity, urgency, urge urinary incontinence (UUI) and lower volume for first voiding desire, strong desire to void and maximum cystomanometric capacity in UDS compared with patients without DO (P<.05 for all comparisons). The only significant differences between both groups were regarding the B-SAQ symptoms scale (P=.011).ConclusionsThe presence of DO in women with OAB is related to a more severe alteration of the bladder filling phase.Copyright © 2018. Publicado por Elsevier España, S.L.U.

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