title: Correlation between valsalva leak point pressure and maximal urethral closure pressure in women with stress urinary incontinence.
abstract: This study analyzed the relationship between valsalva leak point pressure (VLPP) and maximal urethral closure pressure (MUCP) in women with stress urinary incontinence. One hundred sixty-one patients were selected with diagnosis of mixed or stress urinary incontinence. During urodynamics we measured VLPP and MUCP. Patients were gathered according to VLPP and analysis of variance (ANOVA) was performed. Pearson's correlation coefficient and linear regression were also utilized. The group with VLPP under 60 cm H(2)O had mean MUCP of 44.5 cm H(2)0; the group with VLPP between 60 and 90 cm H(2)O had mean MUCP of 54.3 cm H(2)O; and the group with VLPP over 90 cm H(2)O had mean MUCP of 60.1 cm H(2)O. We observed correlation between MUCP and VLPP when we used Pearson's correlation coefficient (r=0.22) and linear regression ( p<0.05). There was weak correlation between MUCP and VLPP, and MUCP was significantly lower in patients with leak point pressure inferior to 60 cm H(2)O.
authors.affiliation: Department of Gynecology of Federal University of São Paulo, Rua dos Otonis 567, Vila Clementino, São Paulo, SP, Brazil. pfeldner@alfa.epm.br
authors.forename: Paulo Cezar
authors.initials: PC
authors.lastname: Feldner
authors.forename: Leonardo Robson Pinheiro Sobreira
authors.initials: LR
authors.lastname: Bezerra
authors.forename: Rodrigo Aquino
authors.initials: RA
authors.lastname: de Castro
authors.forename: Marair Gracio Ferreira
authors.initials: MG
authors.lastname: Sartori
authors.forename: Edmund Chada
authors.initials: EC
authors.lastname: Baracat
authors.forename: Geraldo Rodrigues
authors.initials: GR
authors.lastname: de Lima
authors.forename: Manoel João Batista Castello
authors.initials: MJ
authors.lastname: Girão
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008875:Middle Aged; D011312:Pressure; D012189:Retrospective Studies; D014521:Urethra / Q000502:physiology*; D014550:Urinary Incontinence, Stress / Q000503:physiopathology*; D014563:Urodynamics; D014636:Valsalva Maneuver