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In the work presented here, we have applied magnetic resonance imaging (MRI)\u2010based CFD to study bladder voiding and to demonstrate the feasibility and potential of this approach. We used 3D dynamic MRI to image the bladder and urethra during voiding. A surface mesh processing tool was developed to process the bladder wall prior to executing a wall\u2010motion driven CFD simulation of the bladder and urethra. The obtained flow rate and pressure were used to calculate urodynamic nomograms, which are currently used in the clinical setting to assess bladder voiding dysfunction. These nomograms concluded that our healthy volunteer has an unobstructed bladder and normal contractility. We calculated the work done to void the bladder and propose this as an additional quantitative metric to comprehensively assess bladder function. Further, we discuss the areas that would improve this relatively new methodology of image\u2010based CFD in urodynamics.<\/jats:p>","DOI":"10.1002\/cnm.3850","type":"journal-article","created":{"date-parts":[[2024,7,16]],"date-time":"2024-07-16T05:45:41Z","timestamp":1721108741000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Computational fluid dynamics of bladder voiding using <scp>3D<\/scp> dynamic <scp>MRI<\/scp>"],"prefix":"10.1002","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8916-5802","authenticated-orcid":false,"given":"Labib","family":"Shahid","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering University of Wisconsin\u2010Madison  Madison Wisconsin USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan Pablo","family":"Gonzalez\u2010Pereira","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering 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