Urodynamics is a computerized evaluation of the body's functions during episodes of incontinence. There is minimal discomfort associated with the procedure and no preparation is necessary.
The procedure has several parts and some may require all testing segments, while others are only necessary to identify the specific type or cause of incontinence.
The test begins by urinating in a special chair to measure the rate and flow of urine. A catheter will be placed to evaluate the amount of urine in the bladder after voiding.
At this point two small catheters will be placed, one vaginally to measure abdominal pressure and one into the bladder. The bladder catheter will be moved to measure the urethral length. The bladder will then be slowly filled. You will be instructed during this filling process to indicate fullness at various times. You will also be prompted to cough and "bear down", etc. to reproduce circumstances that provoke leaking. Once the bladder is full, the measurement process is repeated and you will be allowed to empty your bladder.
A cystoscopy may be required after the urodynamic procedure. This requires no general anesthesia as the instruments are extremely small and a gel is used to numb the urethral area. This procedure allows the physician to visualize the structures of the bladder and urethra for abnormalities and possible contributing causes for incontinence.