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Urodynamic testing or urodynamics is a study that assesses how the bladder and urethra are performing their job of storing and releasing urine. Urodynamic tests can help explain symptoms such as: incontinence [1] frequent urination; sudden, strong urges to urinate but nothing comes out; problems starting a urine stream; painful urination
Some uses of this procedure are: to study the presence of vesicoureteric reflux, study of urethra during micturition, presence of bladder leak post surgery or trauma, and is used in urodynamic testing to assess urinary incontinence.
If low-pressure urine storage can be assured, and the urinary reservoir is known to be limited to the bladder, the general value of urodynamic study in UAB is unclear. In specific situations, invasive urodynamics may be helpful to distinguish bladder outlet obstruction from DU, although this distinction can be difficult. [citation needed]
Urodynamic studies play an important diagnostic role in neurourology. Therapy for nervous system disorders includes clean intermittent self-catheterization of the bladder, anticholinergic drugs, injection of Botulinum toxin into the bladder wall and advanced and less commonly used therapies such as sacral neuromodulation .
Urodynamic studies are an important component of the evaluation for neurogenic bladder. Urodynamics refers to the measurement of the pressure-volume relationship in the bladder. The bladder usually stores urine at low pressure and urination can be completed without a dramatic pressure rise.
Urethral retro-resistance pressure (URP) is a new clinical measure of urethral function measured by a new urodynamic measurement system. URP is the pressure required to achieve and maintain an open sphincter.
Specialized testing to further characterize the degree of urethral hypermobility may include urodynamic testing, voiding cystourethrography, pelvic ultrasound, and electromyography. [5] These modalities are only recommended for people who experience ongoing symptoms despite an adequate trial of pelvic floor muscle training. [6]
A comparative study among patients implanted with different models of artificial urinary sphincter and achieved social continence showed no difference between two groups in regards of urodynamic tests, such as flow rate, urethral pressure, etc. [2] A randomised controlled trial found that the artificial urinary sphincter was non-inferior to the ...