Urodynamic Testing: A Test to Find the Cause of Urinary Incontinence, Painful Urination, and Difficulty Emptying the Bladder

Urodynamic testing is a series of tests performed by doctors to diagnose disorders affecting the bladder, urinary sphincter—the muscles located between the bladder and urethra—and urethra, which are parts of the lower urinary tract. The examination aims to determine how well the bladder stores and releases urine.

Urodynamic testing can measure:

The bladder’s ability to store and release urine.
The function of the bladder’s nerves and muscles.
Pressure inside and around the bladder.
The amount and flow rate of urine.

The results of urodynamic testing can help doctors determine the most appropriate treatment plan based on the patient’s symptoms and condition.

If you need urodynamic testing, you can visit Mandaya Royal Hospital Puri. In addition to providing this examination, Mandaya Royal Hospital Puri is supported by a team of experienced urologists who are trained to perform urodynamic testing.

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When Is Urodynamic Testing Performed?

Urodynamic testing is performed to help determine whether there are disorders affecting the lower urinary tract, particularly those related to bladder function and the process of passing urine. Doctors may recommend this examination if patients experience conditions such as:

Frequent urine leakage or difficulty holding urine
Frequent urination
Pain during urination
Frequent sudden and strong urges to urinate
Difficulty starting urination
Feeling that the bladder has not completely emptied after urination
Recurrent urinary tract infections (UTIs)

Urodynamic testing can help doctors identify the underlying cause of these symptoms and determine the appropriate treatment based on the patient’s condition.

Types of Urodynamic Tests

Depending on the patient’s symptoms and condition, a urologist may recommend one or several types of urodynamic tests. These may include:

1. Uroflowmetry

A simple, non-invasive test that measures the amount and flow rate of urine during urination. This test can help detect a slow urine flow or incomplete bladder emptying, which may be associated with urinary tract obstruction or weakened bladder muscles.

2. Post-Void Residual (PVR)

A test used to determine how much urine remains in the bladder after urination. The measurement can be performed using a bladder ultrasound or, in certain circumstances, a catheter. This test can help identify problems with bladder emptying.

3. Cystometry

A test used to evaluate the bladder’s ability to store urine, including bladder capacity, sensation as the bladder fills, and bladder muscle activity. The examination is performed using a thin catheter to measure pressure inside the bladder as it is slowly filled with sterile fluid.

4. Pressure Flow Study

This test is performed when the bladder is full. The patient will be asked to urinate while the equipment simultaneously measures pressure inside the bladder and urine flow rate. This test can help doctors determine whether difficulty urinating is caused by weak bladder muscles or an obstruction in the urinary tract.

5. Electromyography (EMG)

Electromyography is a test that uses small sensors placed on the skin to record muscle activity, particularly the muscles around the bladder and pelvic floor. This examination helps assess coordination between the bladder and pelvic floor muscles and detect possible nerve or muscle disorders that may affect urination.

6. Video Urodynamics

A test that combines several urodynamic tests with X-ray imaging to directly visualize the bladder and urethra during bladder filling and emptying. This examination provides a more comprehensive view of the shape, structure, and function of the bladder and urinary tract.

Preparation and What to Expect After Urodynamic Testing

Most urodynamic tests do not require special preparation. However, your doctor may ask you to adjust the amount of fluid you drink or temporarily stop taking certain medications. For some types of tests, you may also be asked to arrive with a full bladder.

After urodynamic testing, you may experience mild discomfort when urinating for several hours. To help reduce this discomfort, you may be advised to drink approximately 240 mL of water every 30 minutes for 2 hours. Your doctor may also recommend the following:

Taking a warm bath to help relieve discomfort.
Applying a clean, warm, damp cloth to the urethral opening to reduce discomfort.
Taking antibiotics as prescribed by your doctor, if necessary, to help prevent infection.

If you develop signs of infection, such as pain, chills, or fever, contact your doctor immediately.

Results from simpler tests, such as cystometry and uroflowmetry, are often available shortly after the examination. Meanwhile, results from other tests, such as EMG and video urodynamics, may take several days to become available.

Once all test results are available, the doctor will explain the findings and discuss treatment options that are appropriate for your condition and symptoms.

How Long Does Urodynamic Testing Take?

The duration of urodynamic testing may vary depending on the type of test performed and the patient’s condition. In general, however, the examination takes approximately 30–45 minutes.

During the examination, the doctor will perform several measurements to assess the function of the bladder and lower urinary tract. Once the examination is complete, patients can generally return to their usual activities according to their doctor’s instructions.

To make your visit to Mandaya Royal Hospital Puri more convenient, use the Chat via WhatsApp, Book an Appointment, or the Care Dokter app, which can be downloaded from Google Play and the App Store. The app can also be used to check queue numbers and access other relevant information.