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URODYNAMICS
Urodynamics refers to a test used to evaluate the way the bladder functions, including the ability of the bladder to store and release urine properly, how much pressure is within the bladder, and if the bladder is having involuntary contractions. This test is done when someone has difficulty holding the urine, or emptying the bladder, or both. This testing allows the doctor to identify the conditions under which a person leaks urine. It is also sometimes performed before an operation for a fallen (prolapsed) bladder or uterus, even if there is no bladder problem at present. This is because putting the prolapsed bladder back in its correct position will sometimes uncover hidden bladder problems that can be corrected at the time of the operation for the prolapse.
This test is performed in the office and takes approximately 1 hour.
You will be asked to come to the office with a comfortably full bladder.
- The test starts by having you initially void into a special machine so that the doctor may assess how much your bladder can hold normally and how easily you empty the bladder (uroflowmetry).
- Following this, a small tube is placed in the bladder and one in the rectum to measure the pressure within the bladder and the abdominal cavity.
- In addition, small patches are placed on the thighs near the rectum to measure the muscle activity in and around the urethral sphincter (electromyography or EMG).
- The bladder is then filled with water which allows the doctor to measure how much your bladder can hold, how much pressure builds up inside your bladder as it stores urine, and how full it is when you feel the urge to urinate (cystometry).
- You will also be asked to perform several maneuvers such as coughing or straining in order to reproduce symptoms of leakage and measure the amount of pressure produced before you leak (leak point pressure).
- The tube from the bladder is then removed, you are asked to void again and the amount of pressure required to empty your bladder will be assessed (pressure flow study).
- Finally, the amount of urine remaining in the bladder after you urinate is measured (post-void residual).
The measurements and information obtained from this test will guide your practitioner on the best method of treatment with which to proceed.
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11911 NE 132nd St., Suite 200 |
| Kirkland, Washington 98034 |
| (425) 899-5800 |
| Fax (425) 899-5806 |
Office Hours 8am - 5pm
Monday - Friday |
http://eastsideurology.com
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