Pelvic Floor Muscle Training for Sexual Dysfunction in Women with Multiple Sclerosis

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Sexual dysfunction is a common negative consequence of Multiple Sclerosis, and may be influenced by neurologic and physical changes, or by psychological changes associated with the disease progression. Because pelvic floor muscle health can contribute to sexual health, the relationship between the two has been the subject of research studies for patients with and without neurologic disease. Researchers in Brazil assessed the effects of treating sexual dysfunction with pelvic floor muscle training with or without electrical stimulation in women diagnosed with multiple sclerosis (MS.) Thirty women were allocated randomly into 3 treatment groups. All participants were evaluated before and after treatment for pelvic floor muscle (PFM) function, PFM tone, score on the PERFECT scheme, flexibility of the vaginal opening, ability to relax the PFM’s, and with the Female Sexual Function Index (FSFI). Rehabilitation interventions included pelvic floor muscle training (PFMT) using surface electromyographic (EMG) biofeedback, neuromuscular electrostimulation (NMES), sham NMES, or transcutaneous tibial nerve stimulation (TTNS). The treatments offered to each group are shown below.

Intervention
sEMG biofeedback PFMT: Use of intravaginal sensor and 30 slow, maximal-effort contractions followed by 3 minutes of fast, maximal-effort contractions in supine.
Sham NMES: sacral surface electrodes with pulse width of 50 ms at 2 Hz, on/off 2/60 seconds for 30 minutes
Intravaginal NMES: 200 ms at 10 Hz for 30 minutes using vaginal sensor.
TTNS: surface electrodes in the left lower leg with pulse width at 200 ms at 10 Hz for 30 minutes.
Group 1, n = 6 X X
Group 2, n = 7 X X
Group 3, n = 7 X X

The following factors made up some of the inclusion criteria for the study: age at least 18 years, diagnosis of relapsing-remitting MS, 4 month history of stable symptoms, currently participating in a sexually active relationship, and able to contract the pelvic floor muscles. Participants were excluded if they had delivered within the prior 6 months, had pelvic organ prolapse (POP) greater than stage I on the POP-Q, were perimenopausal or menopausal. Neurologic function symptoms were also monitored so that subjects could be evaluated for any potential flare-up. Home program instruction in PFMT included 30 slow and 30 fast PFM contractions to be completed in varied postures 3x/day.

Results included that all groups improved via the PERFECT scheme evaluation. Other specific indicators of improvement were noted for each group, and the use of the FSFI provided measures of sexual function. The authors conclude that pelvic floor muscle training (with or without electrostimulation) can produce positive changes in sexual arousal, vaginal lubrication, sexual satisfaction and sexual lives. The use of PFMT with intravaginal NMES "…appears to be a better treatment option than PFMT alone or in combination with PTNS in the management of the orgasm, desire and pain domains of [the FSFI]." You can find the abstract of the article by clicking here.

Patients who are managing disease symptoms of MS have many aspects of the disease that can interfere with sexual health, such as energy levels, neurologic impairment, and pain. Use of modalities such as biofeedback and/or electrotherapy may be useful adjuncts in the care of women who have MS. Prior research has identified the benefits of electrotherapy for urinary dysfunction in patients who have MS. The described research allows us to consider inclusion of these tools along with pelvic floor muscle training when working with women who experience sexual dysfunction as a part of MS.

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