{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,22]],"date-time":"2025-10-22T17:46:14Z","timestamp":1761155174542},"reference-count":25,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2008,6,12]],"date-time":"2008-06-12T00:00:00Z","timestamp":1213228800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neurourology and Urodynamics"],"published-print":{"date-parts":[[2008,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aims<\/jats:title><jats:p>To (1) correlate peak and maximum flow rates from non\u2010instrumented flow (NIF) and pressure\u2010flow studies (PFS) in women with pelvic organ prolapse (POP); (2) measure the impact of voided volume and degree of prolapse on correlations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We compared four groups of women with stages II\u2013IV 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\u2009=\u200967) did not have and Group 2 (n\u2009=\u200984) had urodynamic stress incontinence (USI). Group 3 (n\u2009=\u200974) and Group 4 participants (n\u2009=\u200973), 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.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Subjects' median age was 61 years; median parity 3% and 80% had stage III or IV POP. Based on the Blaivas\u2013Groutz nomogram, 49% of all women were obstructed. NIF and PFS peak and average flow rates had low correlations with one another (0.31, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001 and 0.35, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, respectively). When NIF and PFS voided volumes were within 25% of each other, the peak and average flow rate correlations improved (0.52, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001 and 0.57, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, respectively). As vaginal prolapse increased, correlations between NIF and PFS peak and average flow rates decreased.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>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. Neurourol. Urodynam. 27:515\u2013521, 2008. \u00a9 2008 Wiley\u2010Liss, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/nau.20568","type":"journal-article","created":{"date-parts":[[2008,6,12]],"date-time":"2008-06-12T20:56:46Z","timestamp":1213304206000},"page":"515-521","source":"Crossref","is-referenced-by-count":7,"title":["The correlation of voiding variables between non\u2010instrumented uroflowmetery and pressure\u2010flow studies in women with pelvic organ 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