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Transurethral external sphincterotomy sans external sphincter.

M S Rao, B C Bapna, S Vaidyanathan

    Paraplegia
    |November 1, 1978
    PubMed
    Summary
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    Transurethral resection for detrusor-sphincter dyssynergia can improve function even without skeletal muscle in resected tissue. This study explores the reasons for functional improvement in such cases.

    Area of Science:

    • Urology
    • Surgical Pathology
    • Neurogenic Bladder

    Background:

    • Detrusor-sphincter dyssynergia (DSD) is a common cause of voiding dysfunction in neurogenic bladder.
    • External urethral sphincterotomy is a standard surgical treatment for DSD.

    Purpose of the Study:

    • To investigate the histological findings of resected tissue after external urethral sphincterotomy in patients with DSD.
    • To explain the functional improvement observed in patients whose resected tissue lacked skeletal muscle.

    Main Methods:

    • Retrospective analysis of 51 patients with DSD undergoing transurethral external urethral sphincterotomy.
    • Histological examination of resected tissue to identify muscle content.

    Main Results:

    Related Experiment Videos

  • Six out of 51 patients (11.8%) had no skeletal muscle identified in the resected external urethral sphincter tissue.
  • Despite the absence of skeletal muscle, these six patients experienced functional improvement.

    • Conclusions:

    • The efficacy of external urethral sphincterotomy in DSD may not solely depend on the resection of skeletal muscle.
    • Further research is needed to elucidate the mechanisms behind functional improvement in cases lacking skeletal muscle in resected tissue.