Neurourology and urodynamics · 2008
The correlation of voiding variables between non-instrumented uroflowmetery and pressure-flow studies in women with pelvic organ prolapse.
Сравнительное исследованиеСтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Mueller Elizabeth, Wei John, Nygaard Ingrid, Brubaker Linda, Varner Ed, Visco Anthony, Cundiff Geoffrey W, Weber Anne M, Ghetti Chiara, Kreder Karl
Аннотация
AIMS: To (1) correlate peak and maximum flow rates from non-instrumented flow (NIF) and pressure-flow studies (PFS) in women with pelvic organ prolapse (POP); (2) measure the impact of voided volume and degree of prolapse on correlations.
METHODS: We compared four groups of women with stages II-IV POP. Groups 1 and 2 were symptomatically stress continent women participating in the colpopexy and urinary reduction efforts (CARE) trial; during prolapse reduction before sacrocolpopexy, Group 1 (n = 67) did not have and Group 2 (n = 84) had urodynamic stress incontinence (USI). Group 3 (n = 74) and Group 4 participants (n = 73), recruited specifically for this study, had stress urinary incontinence (SUI) symptoms. Group 3 planned sacrocolpopexy. Group 4 planned a different treatment option. Participants completed standardized uroflowmetry and pressure voiding studies.
RESULTS: Subjects' median age was 61 years; median parity 3% and 80% had stage III or IV POP. Based on the Blaivas-Groutz nomogram, 49% of all women were obstructed. NIF and PFS peak and average flow rates had low correlations with one another (0.31, P < 0.001 and 0.35, P < 0.001, respectively). When NIF and PFS voided volumes were within 25% of each other, the peak and average flow rate correlations improved (0.52, P < 0.001 and 0.57, P < 0.001, respectively). As vaginal prolapse increased, correlations between NIF and PFS peak and average flow rates decreased.
CONCLUSION: Peak and average flow rates are highly dependent on voided volume in women with prolapse. As the prolapse stage increases, correlations between NIF and PFS variables decrease.
METHODS: We compared four groups of women with stages II-IV POP. Groups 1 and 2 were symptomatically stress continent women participating in the colpopexy and urinary reduction efforts (CARE) trial; during prolapse reduction before sacrocolpopexy, Group 1 (n = 67) did not have and Group 2 (n = 84) had urodynamic stress incontinence (USI). Group 3 (n = 74) and Group 4 participants (n = 73), recruited specifically for this study, had stress urinary incontinence (SUI) symptoms. Group 3 planned sacrocolpopexy. Group 4 planned a different treatment option. Participants completed standardized uroflowmetry and pressure voiding studies.
RESULTS: Subjects' median age was 61 years; median parity 3% and 80% had stage III or IV POP. Based on the Blaivas-Groutz nomogram, 49% of all women were obstructed. NIF and PFS peak and average flow rates had low correlations with one another (0.31, P < 0.001 and 0.35, P < 0.001, respectively). When NIF and PFS voided volumes were within 25% of each other, the peak and average flow rate correlations improved (0.52, P < 0.001 and 0.57, P < 0.001, respectively). As vaginal prolapse increased, correlations between NIF and PFS peak and average flow rates decreased.
CONCLUSION: Peak and average flow rates are highly dependent on voided volume in women with prolapse. As the prolapse stage increases, correlations between NIF and PFS variables decrease.