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Related Experiment Videos

Urodynamic evaluation in spinal cord injuries

B Alagöl1, I Hüseyin, E Kaya

  • 1Department of Urology, Trakya University, Medical Faculty, Edirne, Turkey.

International Urology and Nephrology
|January 1, 1995
PubMed
Summary
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Spinal cord injury (SCI) management requires monitoring bladder and rectal function. Urodynamic testing in 30 SCI patients revealed most developed hyperreflexic bladders, guiding treatment selection.

Area of Science:

  • Neurology
  • Urology
  • Rehabilitation Medicine

Background:

  • Spinal cord injury (SCI) disrupts autonomic control of the bladder and rectum, leading to initial flaccid paralysis.
  • Post-injury, bladder function can evolve into either spasticity or remain flaccid, depending on lesion characteristics.
  • Understanding these reflex changes is crucial for effective management strategies.

Purpose of the Study:

  • To investigate the urodynamic changes in patients following spinal cord injury.
  • To correlate lesion level and severity with bladder and sphincter function.
  • To evaluate the utility of urodynamics in guiding treatment for SCI-induced bladder dysfunction.

Main Methods:

  • Urodynamic testing (cystometrography and electromyography) was performed on 30 patients with varying levels of spinal cord injury.

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  • Testing was conducted at 3-month intervals to track functional evolution.
  • Patients were categorized based on bladder reflex activity (hyperreflexic, areflexic) and presence of detrusor-sphincter dyssynergia.

    • Main Results:

    • The spinal shock phase, characterized by flaccid paralysis, lasted approximately 8-9 weeks in acutely injured patients.
    • Out of 30 patients, 23 developed hyperreflexic detrusor activity, while 7 remained areflexic.
    • Two patients exhibited detrusor-sphincter dyssynergia, indicating a lack of coordination between bladder contraction and sphincter relaxation.

    Conclusions:

    • Urodynamic assessment is vital for characterizing bladder and sphincter function after spinal cord injury.
    • The majority of SCI patients develop hyperreflexic bladder dysfunction, necessitating specific therapeutic interventions.
    • Monitoring urodynamic parameters aids in tailoring treatment plans and assessing response to therapy in SCI patients.