Video-urodynamic investigations are regarded as the current standard diagnostics for neurogenic bladder dysfunction in patients with spinal cord injury. This examination is exact, but time consuming, costly and associated with the risk of urinary tract infection. In patients with lower urinary tract symptoms due to benign prostate hyperplasia, sonographic measurement of bladder wall thickness has been demonstrated to be able to replace urodynamic testing for the diagnosis of infravesical obstruction. Hypothesis: measurement of bladder wall thickness in patients with neurogenic bladder dysfunction due to spinal cord injury is closely related to the known risk factors for upper urinary tract deterioration (bladder compliance, detrusor leak point pressure) in this group of patients and can therefore replace urodynamic examination in selected cases.
Study Type
OBSERVATIONAL
Enrollment
60
measurement of bladder wall thickness by ultrasound at different filling states of the bladder during urodynamic investigation
Swiss paraplecic centre
Nottwil, Switzerland
correlation bladder wall thickness and detrusor compliance
measurement of detrusor compliance at maximum bladder volume; measurement of bladder wall thickness at maximum bladder volume
Time frame: calculated from maximum bladder filling
correlation bladder wall thickness and maximum detrusor pressure
correlation between bladder wall thickness and maximum detrusor pressure during the urodynamic storage phase
Time frame: measurement at maximum bladder capacity
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