ArticleInternational urology and nephrology2024
Technical feasibility of uro-dynamic MRI study of voiding biomechanics: a pilot study.
Article in International urology and nephrology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Biomechanic characterization of normal urethra using uro-dynamic MRI during voiding.International urology and nephrology · 2026Article
- Feasibility Study on Non-Invasive Methods for Bladder Biomechanics During Voiding Using Uro-Dynamic MRI.Bioengineering (Basel, Switzerland) · 2026Article
- Quantitative Mechanics of the Bladder During Voiding Using MRI.Neurourology and urodynamics · 2025Article
- New Imaging Techniques on the Horizon to Study Overactive and Neurogenic Bladder.Current bladder dysfunction reports · 2025Review
- Computational fluid dynamics of bladder voiding using 3D dynamic MRI.International journal for numerical methods in biomedical engineering · 2024Article
- Validation of Dynamic 3D MRI for Urodynamics Assessment Using an Anatomically Realistic In Vitro Model of the Bladder.Journal of biomechanical engineering · 2024Article
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Authors and funding
5 authors.
Funding
Abstract
introductionDynamic volumetric MRI was used to non-invasively assess voiding biomechanics in a healthy male volunteer.
methodsUsing 3D Differential Subsampling with Cartesian Ordering (DISCO) Flex acquisition sequence, volumetric bladder images were obtained throughout the voiding effort. These were subsequently segmented using MIMICS. Segmented anatomical volumes were used to quantify total voided volume, post-void residual, volumetric displacement of urine over time, bladder neck angle, sphericity index, and prostatic urethral angle through the voiding effort.
resultsBladder sphericity index correlated positively with flow rate. The greatest degree of bladder neck funneling correlated with the maximum urine flow rate. There was straightening of the prostatic urethral angle during voiding that also correlated positively with urine flow.
conclusionThis pilot study confirms the potential of dynamic MRI to provide non-invasive assessment of lower urinary tract anatomy and biomechanics during voiding.
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Registered trials
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