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Archivos Españoles de Urología (Ed. impresa)

Print version ISSN 0004-0614


SALINAS, Jesús et al. Cystocele and stress urinary incontinence associated with lower urinary tract obstruction. Arch. Esp. Urol. [online]. 2007, vol.60, n.5, pp.559-564. ISSN 0004-0614.

Objectives: The association of stress urinary incontinence secondary to urethral hypermobility and lower urinary tract obstruction in the same patient with cystocele is rare, and even represents a contradiction. The objective of our work is to treat to define the characteristics that identify this entity, in comparison with isolated stress urinary incontinence or lower urinary tract obstruction in patients with cystocele. Methods: We performed a retrospective study in 1168 cases of cystocele in which urodynamic studies were performed. All patients underwent history and neurological and uro-gynecologycal physical examination. The urodynamic study included uroflowmetry, cystomanometry, voiding pressure/flow tests and voiding cystourethrograms. All data were collected in an Excel 2000 database and statistical analysis was performed with the SPSS software. Results: A- General data: 25 cases qualified for the study in group I (isolated stress urinary incontinence with urethral hypermobility); 24 cases in group II (lower urinary tract obstruction); and 14 cases in group III (astress urinary incontinence associated with lower urinary tract obstruction). The proportion of each group in the whole group of cystoceles corresponded to a 4/1/0.05 ratio respectively. Mean age was 58.4 years for group I, 68.2 for group II and 71.2 for group III. A Statistically significant lower age was demonstrated for group I (p <0.0005). B-The symptom "sensation of vaginal lump" was less frequent in group I (32%). A significant difference was demonstrated (p = 0.02). C- Group I showed a lower increase of daily voiding frequency (32%), p = 0.02. D- Group I showed less night-time voiding frequency (1 episode)(p <0.04).E-Urinary incontinence with cough was less frequent in group I (84%) (p = 0.0004). F- Group I had more bladder capacity (243.6 ml) (p <0.05).G-Group I showed less urethral resistances (URA = 37.9 cm H2O) (p = 0.01). H- W80-W20 was higher in group I: 1.3 W/m2 (p <0.05). I-The symptom "sensation of vaginal lump appeared more often in group II (70.8%) (p = 0.02). J-Radiological degree of cystocele was greater in group II (1.7) (p<0.05). K- Detrusor hyperactivity was more frequent in group III (64.3%) (p = 0.00009). L- No significant differences were found between groups II-III when comparing type of obstruction. Conclusions: The group of isolated stress urinary incontinence (group I) is characterized by a younger age, less frequency of sensation of vaginal lump, less daily frequency and nocturia, and urodynamic data of greater bladder capacity, lower urethral resistance and normal detrusor contractility. The group of isolated lower urinary tract obstruction (group II) could be characterized by a more frequent sensation of vaginal lump and increase of the radiological cystocele. The group of stress urinary incontinence associated with lower urinary tract obstruction had a higher percentage of cases of detrusor hyperactivity. All these data might enable a proper identification of different risk elements in the groups.

Keywords : Stress urinary incontinence; Lower urinary tract obstruction; Cystocele.

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