Does pelvic floor muscle maximum voluntary contraction improve after vaginal pelvic organ prolapse surgery? A prospective study

Thaiana B. Duarte, Marília A.P. Bonacin, Luiz G.O. Brito, Helena Frawley, Peter L. Dwyer, Elizabeth Thomas, Cristine H.J. Ferreira

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Aims: to assess pelvic floor muscle maximum voluntary contraction (MVC) before and after surgical treatment for pelvic organ prolapse (POP). Methods: This was a prospective observational study with women scheduled for surgical correction of POP. Assessments occurred 15 days before and 40 days after surgery. The primary outcome was pelvic floor muscle (PFM) MVC measured using the manometer Peritron™. The average strength of PFM contraction was also measured. Secondary outcomes were assessed using the Pelvic Organ Prolapse Quantification (POP-Q) score. The Student paired t-test was used for quantitative data. For the pre and postsurgery comparisons of PFM strength in relation to POP-Q value we used the nonparametric Kruskal-Wallis test for dependent variables. The level of significance adopted was P < 0.05. Results: Sixty-seven women were recruited, 65 (97%) completed the study. The mean age of participants was 62 ± 10.2. There was no difference (1.9 cm H2O ± 12.9; P = 0.22) between MVC before (27.1 cm H2O ± 17.0) and after surgery (29 cm H2O ± 17.8). The average contraction was higher after surgery (2.3 cmH2O ± 8.6; P = 0.03). The higher the severity of pre and postsurgery POP, the worse the MVC. Conclusion: There was no difference in MVC pre and postsurgery, however we found an improvement in PFM average contraction strength postsurgery.

Original languageEnglish
Pages (from-to)1744-1750
Number of pages7
JournalNeurourology and Urodynamics
Volume37
Issue number5
DOIs
Publication statusPublished - 1 Jun 2018

Keywords

  • pelvic floor muscle
  • pelvic organ prolapse
  • strength
  • surgery

Cite this

Duarte, Thaiana B. ; Bonacin, Marília A.P. ; Brito, Luiz G.O. ; Frawley, Helena ; Dwyer, Peter L. ; Thomas, Elizabeth ; Ferreira, Cristine H.J. / Does pelvic floor muscle maximum voluntary contraction improve after vaginal pelvic organ prolapse surgery? A prospective study. In: Neurourology and Urodynamics. 2018 ; Vol. 37, No. 5. pp. 1744-1750.
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abstract = "Aims: to assess pelvic floor muscle maximum voluntary contraction (MVC) before and after surgical treatment for pelvic organ prolapse (POP). Methods: This was a prospective observational study with women scheduled for surgical correction of POP. Assessments occurred 15 days before and 40 days after surgery. The primary outcome was pelvic floor muscle (PFM) MVC measured using the manometer Peritron™. The average strength of PFM contraction was also measured. Secondary outcomes were assessed using the Pelvic Organ Prolapse Quantification (POP-Q) score. The Student paired t-test was used for quantitative data. For the pre and postsurgery comparisons of PFM strength in relation to POP-Q value we used the nonparametric Kruskal-Wallis test for dependent variables. The level of significance adopted was P < 0.05. Results: Sixty-seven women were recruited, 65 (97{\%}) completed the study. The mean age of participants was 62 ± 10.2. There was no difference (1.9 cm H2O ± 12.9; P = 0.22) between MVC before (27.1 cm H2O ± 17.0) and after surgery (29 cm H2O ± 17.8). The average contraction was higher after surgery (2.3 cmH2O ± 8.6; P = 0.03). The higher the severity of pre and postsurgery POP, the worse the MVC. Conclusion: There was no difference in MVC pre and postsurgery, however we found an improvement in PFM average contraction strength postsurgery.",
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Does pelvic floor muscle maximum voluntary contraction improve after vaginal pelvic organ prolapse surgery? A prospective study. / Duarte, Thaiana B.; Bonacin, Marília A.P.; Brito, Luiz G.O.; Frawley, Helena; Dwyer, Peter L.; Thomas, Elizabeth; Ferreira, Cristine H.J.

In: Neurourology and Urodynamics, Vol. 37, No. 5, 01.06.2018, p. 1744-1750.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Does pelvic floor muscle maximum voluntary contraction improve after vaginal pelvic organ prolapse surgery? A prospective study

AU - Duarte, Thaiana B.

AU - Bonacin, Marília A.P.

AU - Brito, Luiz G.O.

AU - Frawley, Helena

AU - Dwyer, Peter L.

AU - Thomas, Elizabeth

AU - Ferreira, Cristine H.J.

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Y1 - 2018/6/1

N2 - Aims: to assess pelvic floor muscle maximum voluntary contraction (MVC) before and after surgical treatment for pelvic organ prolapse (POP). Methods: This was a prospective observational study with women scheduled for surgical correction of POP. Assessments occurred 15 days before and 40 days after surgery. The primary outcome was pelvic floor muscle (PFM) MVC measured using the manometer Peritron™. The average strength of PFM contraction was also measured. Secondary outcomes were assessed using the Pelvic Organ Prolapse Quantification (POP-Q) score. The Student paired t-test was used for quantitative data. For the pre and postsurgery comparisons of PFM strength in relation to POP-Q value we used the nonparametric Kruskal-Wallis test for dependent variables. The level of significance adopted was P < 0.05. Results: Sixty-seven women were recruited, 65 (97%) completed the study. The mean age of participants was 62 ± 10.2. There was no difference (1.9 cm H2O ± 12.9; P = 0.22) between MVC before (27.1 cm H2O ± 17.0) and after surgery (29 cm H2O ± 17.8). The average contraction was higher after surgery (2.3 cmH2O ± 8.6; P = 0.03). The higher the severity of pre and postsurgery POP, the worse the MVC. Conclusion: There was no difference in MVC pre and postsurgery, however we found an improvement in PFM average contraction strength postsurgery.

AB - Aims: to assess pelvic floor muscle maximum voluntary contraction (MVC) before and after surgical treatment for pelvic organ prolapse (POP). Methods: This was a prospective observational study with women scheduled for surgical correction of POP. Assessments occurred 15 days before and 40 days after surgery. The primary outcome was pelvic floor muscle (PFM) MVC measured using the manometer Peritron™. The average strength of PFM contraction was also measured. Secondary outcomes were assessed using the Pelvic Organ Prolapse Quantification (POP-Q) score. The Student paired t-test was used for quantitative data. For the pre and postsurgery comparisons of PFM strength in relation to POP-Q value we used the nonparametric Kruskal-Wallis test for dependent variables. The level of significance adopted was P < 0.05. Results: Sixty-seven women were recruited, 65 (97%) completed the study. The mean age of participants was 62 ± 10.2. There was no difference (1.9 cm H2O ± 12.9; P = 0.22) between MVC before (27.1 cm H2O ± 17.0) and after surgery (29 cm H2O ± 17.8). The average contraction was higher after surgery (2.3 cmH2O ± 8.6; P = 0.03). The higher the severity of pre and postsurgery POP, the worse the MVC. Conclusion: There was no difference in MVC pre and postsurgery, however we found an improvement in PFM average contraction strength postsurgery.

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KW - pelvic organ prolapse

KW - strength

KW - surgery

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