Surface electromyography and ultrasound evaluation of pelvic floor muscles in hyperandrogenic women.

Abstract:

INTRODUCTION:High levels of androgens increase muscle mass. Due to the characteristics of hyperandrogenism in polycystic ovary syndrome (PCOS), it is plausible that women with PCOS may have increased pelvic floor muscle (PFM) thickness and neuromuscular activity levels compared with controls. The aim of this study was to assess PFM thickness and neuromuscular activity among hyperandrogenic women with PCOS and controls. METHODS:This was an observational, cross-sectional, case-control study evaluating PFM by ultrasound (US) and surface electromyography (sEMG) in nonobese women with and without PCOS. Seventy-two women were divided into two groups: PCOS (n = 33) and controls (n = 39). PFM thickness during contraction was assessed by US (Vingmed CFM 800). Pelvic floor muscle activity was assessed by sEMG (MyoTrac Infinit) during contractions at different time lengths: quick, and 8 and 60 s. Descriptive analysis, analysis of variance (ANOVA), and Student's t test were used for statistical analyses. RESULTS:There were no significant differences in PFM sEMG activity between PCOS and controls in any of the contractions: quick contraction (73.23 mV/ 71.56 mV; p = 0.62), 8 s (55.77 mV/ 54.17 mV; p = 0.74), and 60 s (49.26 mV/ 47.32 mV; p = 0.68), respectively. There was no difference in PFM thickness during contractions evaluated by US between PCOS and controls (12.78 mm/ 13.43 mm; p =  .48). CONCLUSIONS:This study did not find statistically significant differences in pelvic floor muscle thickness or in muscle activity between PCOS women and controls.

journal_name

Int Urogynecol J

authors

Vassimon FI,Ferreira CH,Martins WP,Ferriani RA,Batista RL,Bo K

doi

10.1007/s00192-015-2865-8

subject

Has Abstract

pub_date

2016-04-01 00:00:00

pages

587-91

issue

4

eissn

0937-3462

issn

1433-3023

pii

10.1007/s00192-015-2865-8

journal_volume

27

pub_type

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