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The ultrasound cystodynamogram--a new radiological technique
A E Boothroyd1, P J Dixon, T J Christmas
1Department of Diagnostic Radiology, Middlesex Hospital, London.
The British Journal of Radiology
|May 1, 1990
Summary
The ultrasound cystodynamogram (USCD) accurately assesses voiding dysfunction, offering a more representative urinary flow rate measurement than videocystometrograms (VCMG) by avoiding public voiding and catheterization. This safe and reproducible method is valuable for patient follow-up.
Area of Science:
- Urology
- Diagnostic Imaging
- Medical Technology
Background:
- Voiding dysfunction assessment often relies on videocystometrograms (VCMG), which involve bladder catheterization and public voiding, potentially inhibiting natural sphincter relaxation.
- This inhibition can lead to less representative measurements of true voiding patterns.
Purpose of the Study:
- To evaluate the diagnostic capability of the ultrasound cystodynamogram (USCD) for assessing voiding dysfunction.
- To compare the accuracy and reliability of USCD against the established VCMG method.
Main Methods:
- The study involved 116 consecutive cases of voiding dysfunction.
- USCD was used to measure bladder capacity, mean and maximum flow rates, flow pattern, and post-micturition residual.
- Data from 46 patients who underwent both USCD and VCMG were compared.
Main Results:
- No significant differences were found when comparing data obtained from USCD and VCMG.
- USCD demonstrated accuracy, safety, and reproducibility in evaluating voiding parameters.
- The technique proved particularly valuable for monitoring patients over time.
Conclusions:
- Ultrasound cystodynamogram (USCD) is a reliable and accurate tool for assessing voiding dysfunction.
- USCD offers advantages over VCMG by enabling private, more representative flow rate measurements.
- Its accuracy, safety, and reproducibility make it suitable for routine clinical use and patient follow-up.