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Related Experiment Videos

Perineal electromyographic patterns in urge incontinence.

R L Vereecken, P Grisar

    Archives of Gynecology
    |January 1, 1986
    PubMed
    Summary

    Electromyography (EMG) of pelvic floor muscles in women with urge incontinence often shows abnormalities. However, these EMG patterns do not clarify the underlying causes of bladder or urethral instability.

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    BJU international·2000

    Area of Science:

    • Urology
    • Neuroscience
    • Pelvic Floor Physical Therapy

    Background:

    • Urge incontinence is a common condition affecting many women.
    • Understanding the neuromuscular control of the pelvic floor is crucial for diagnosing and treating incontinence.
    • Electromyography (EMG) can assess the electrical activity of muscles, including the anal sphincter and periurethral striated muscles.

    Purpose of the Study:

    • To analyze electromyography (EMG) patterns of the anal sphincter and periurethral striated muscles in women with urge incontinence.
    • To determine if EMG findings correlate with sensory or motor urge incontinence.
    • To investigate the relationship between EMG activity and bladder instability during cystometry.

    Main Methods:

    • Electromyography (EMG) was performed on the anal sphincter and periurethral striated muscles in 55 women diagnosed with urge incontinence.
    • EMG data was collected during cystometry, a procedure to evaluate bladder function.
    • Analysis included patterns during bladder filling, unstable bladder contractions, and evoked sphincter reactions.

    Main Results:

    • Abnormal EMG patterns were frequently observed in women with urge incontinence during bladder filling.
    • Unstable bladder contractions were associated with either intense EMG activation or decreased perineal activity.
    • While EMG abnormalities were common, they did not provide additional insights into the specific causes of urethral and bladder instability.

    Conclusions:

    • The electromyography (EMG) of perineal muscles during bladder filling is frequently abnormal in women experiencing urge incontinence.
    • These EMG findings, however, do not offer further clarification on the etiological factors contributing to urethral and bladder instability.
    • Further research may be needed to identify more specific diagnostic markers for urge incontinence subtypes.

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