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Urodynamics is the study of the function of organs in the lower urinary tract. The lower urinary tract functions best when the bladder is filled with urine and the sphincters close tightly against the opening of the bladder to prevent urine leakage. When the liquid is full, the desire to urinate is stronger. When urinating, the sphincters relax, the urethra muscles contract, and urine is expelled. Even if one of the organs in the lower urinary tract does not function properly, the body can experience lower urinary tract symptoms such as urinary tract infection, urinary leakage, painful urination, and a sudden urge to urinate.
As a result of changing consumer lifestyle and dietary habits, the prevalence of urinary incontinence and other medical conditions that cause bladder dysfunction is increasing. The demand for urodynamic devices is likely to increase in the near future due to the prevalence of urinary tract infections and the adoption of urodynamic products.
Most desirable urodynamic tests and urodynamic devices
Urodynamic study (UDS) examines how the sphincters, urethra, and bladder work. Clinical assessment and physical measurements can be used to assess lower urinary tract function. Symptoms such as stress incontinence, nocturia, urge incontinence, frequent urination, and painful urination indicate gallbladder dysfunction and warrant a urodynamic examination. Various urodynamic tests, such as uroflowmetry, cystometric tests, electromyography, and video urodynamic tests, help doctors diagnose the cause of medical conditions related to the lower urinary tract.
Urodynamics devices are used to perform urodynamics tests and accurately measure physical parameters such as urine flow and pressure. As technology advances, more advanced devices are introduced to the global urodynamics market. The type of urodynamic device that will be used in the urodynamic test depends mainly on the type of test and the measurements that will be made during this test.
• Uroflowmetric device
Uroflowmetry is a type of urodynamic test that involves measuring the volume and flow of urine. Urodynamic devices used in uroflowmetry tests include devices that measure the amount and rate of urine flow and a computer that records the data. Based on the data, this urodynamics tool creates a graph of the change in urine flow rate, which helps determine when it reaches its peak and trough. It helps doctors determine the type of disease if the gallbladder wall muscles are not strong enough, which in turn helps determine the cause and nature of gallbladder dysfunction.
• Video urodynamic device
As the name suggests, video urodynamics involves an imaging device used to take pictures or videos of the bladder filling and emptying. Video urodynamics can use ultrasound or X-ray equipment to collect information in the form of images or videos. When the X-ray machine is used, a special liquid called a contrast agent is injected into the bladder, which is recorded on the X-ray image. An ultrasound machine is used to inject warm water into the bladder and use dangerous sound waves to limit the capacity of the bladder.
• Ambulatory urodynamic device / Urodynamic catheters
Typically, most urodynamic tests involve artificially inflating the bladder to restore pressure and quickly determine the cause of bladder dysfunction. In contrast, ambulatory urodynamic testing requires bladder filling through natural kidney function, which affects the type of urodynamic equipment used in ambulatory urodynamic testing. Outpatient urodynamic testing uses a microtip catheter or an air-filled catheter to measure bladder pressure. This is then recorded on the patient's battery-operated recorder.
• Crystallometers
Crystallometers are used in crystometric urodynamics tests to measure parameters such as the ability of the bladder to hold urine, urinary pressure during filling, and how full the bladder is before the patient feels the need to urinate. The urodynamics equipment used in this test includes a catheter that is used to empty the bladder completely before the test. A small catheter is connected to a manometer—a pressure-sensing device—placed near the anus to measure the pressure in the bladder. A crystometer can also record voluntary contractions in the bladder, which plays an important role in determining the cause of bladder aspiration.
• electromyography device
Electromyography is a urodynamics test that involves special sensors that can record electrical sounds from the sphincters and nerves and muscles of the bladder. The urodynamic device used in electromyography is connected to sensors near the anus and urethra that record nerve and muscle activity. This is an advanced urodynamic device used