Introduction: The aim of the study was to analyse the correlation of subjective complaints and urethral pressure profilometry (UPP) data in women with different types of urinary incontinence (UI): stress UI (SUI), urgency UI (UUI), and mixed UI (MixUI). Methods: A study group of 405 women with complaints about UI were surveyed (UDI-6; ICIQ-UI) to determine the subjectively dominant type of UI, and UPP was performed for all these women. The variables analysed by UPP were the maximum urethral closure pressure at rest (MUCPrest), maximum urethral closure pressure at cough stress (MUCPstress), functional urethral length at rest (FULrest), functional urethral length during cough stress (FULstress) test and pressure transmission ratio (PTR). The statistical variation between different groups of UI patients was calculated for all the analysed variables. Results: The value of PTR was statistically and significantly higher in the group of patients with isolated UUI, compared to the SUI and MixUI groups. The MUCPrest and MUCPstress values were consistently lower in women with isolated SUI, compared to isolated UUI. The FULrest and FULstress values showed no statistically significant difference between the groups with different types of UI. Conclusions: The PTR value is a result of UPP test that helps in distinguishing objectively between UUI, SUI, and MixUI. The PTR value can be used to characterise the hypermobility of urethra. The MUCPrest and MUCPstress values are consistently lower in women with isolated SUI, compared to those with isolated UUI. MUCP can be used as an objective criterion for differentiation of these 2 groups of patients.

Objective: To analyze the association between patient history profile, conventional urodynamic variables, and specific types of urinary incontinence (UI) in order to establish the role of urodynamic in differentiating various types of UI in women. Material and methods: This cross-sectional study enrolled 547 women with UI. All patients were divided into three groups according to the UI type based on questionnaires: stress UI (SUI), mixed UI (MixUI), and urgent UI (UUI). Patient history taking, physical examination, and conventional urodynamics were performed. The association between patient profile characteristics, urodynamic data, and type of UI were assessed using one-way analysis of variance and chi-square tests. Results: Significant correlations were observed between the age, body mass index (BMI), cystocele, menopausal status, and most urodynamic data in at least one UI group (p<0.05). Age differed among all three groups (p<0.001), with SUI group consisting the youngest patients. BMI was higher in the MixUI group (p=0.001). The maximum cystometric capacity differed among all three groups (p<0.001), with the highest in the SUI. The maximum flow rate was higher in the SUI group than that in the UUI group (p<0.001). Residual urine, opening detrusor pressure, and pressure transmission ratio were significantly higher in the UUI group. Detrusor overactivity and menopause were less frequently observed in the SUI group. The least pronounced urodynamic SUI was found in the UUI group. Spearman correlation for cystocele was negative in the SUI and positive in the UUI group. Conclusion: Conventional urodynamics give additional information to correctly diagnose specific types of UI in women. Cite this article as: Pilsetniece Z, Vjaters E. The role of conventional urodynamic in diagnosing specific types of urinary incontinence in women. Turk J Urol 2020; 46(2): 134-9.

Aim — The aim of this study was to analyse how conventional urodynamic values differ between females with specific types of urinary incontinence (UI). Material and Methods — Cross-sectional study enrolled 666 females with UI. Based on patient history and questionnaires they were divided into three groups: stress (SUI), mixed (MixUI) and urgency (UUI). Physical investigation and urodynamics were performed. The continuous factors: age and urodynamic data were evaluated using Multinomial regression and ANOVA test using SUI, MixUI, UUI as outcome groups. Results — Analysing urodynamic parameters significant difference between at least two groups was shown by the cystometric capacity and maximum flow rate: both highest in the SUI group; residual urine, opening detrusor pressure, maximum urethral closure pressure at rest, functional urethral length at rest: all highest in the UUI group. Mainly all urodynamic data showed significant difference between SUI/UUI, and MixUI/UUI groups, while difference between SUI/MixUI were not significant. Conclusions — Most of urodynamic data for MixUI group patients do not differ from SUI group. UDS parameters like: maximum flow rate, residual urine, opening detrusor pressure, maximum urethral closure pressure at rest, functional urethral length at rest can help to distinguish SUI and MixUI groups from UUI group.

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