Experimental investigation of the biomechanics of urethral tissues and structures

AN Natali, EL Carniel, A Frigo, PG Pavan… - Experimental …, 2016 - Wiley Online Library
New Findings What is the central question of this study? Prostheses for treatment of urinary
incontinence elicit complications associated with an inadequate mechanical action. This …

Role for intravesical prostatic protrusion in lower urinary tract symptom: a fluid structural interaction analysis study

J Zheng, J Pan, Y Qin, J Huang, Y Luo, X Gao, X Zhou - BMC urology, 2015 - Springer
Background Numerous studies indicated that Intravesical prostatic protrusion is relevant to
prognosis of LUTS, however, the confounding effect that is brought about by prostate …

Novel CFD modeling approaches to assessing urine flow in prostatic urethra after transurethral surgery

B Zhang, S Liu, Y Liu, B Wu, X Zhang, X Wang… - Scientific Reports, 2021 - nature.com
Assessment of the pressure and velocity of urine flow for different diameter ratios of prostatic
urethra (RPU) after transurethral surgery using computational fluid dynamics (CFD). A …

Transrectal ultrasound vector projectile imaging for time‐resolved visualization of flow dynamics in the male urethra: A clinical pilot study

T Ishii, T Yamanishi, T Kamasako, C Shibata… - Medical …, 2024 - Wiley Online Library
Background Quantitative and comprehensive visualization of urinary flow dynamics in the
urethra is crucial for investigating patient‐specific mechanisms of lower urinary tract …

Vector flow visualization of urinary flow dynamics in a bladder outlet obstruction model

T Ishii, BYS Yiu, CH Alfred - Ultrasound in Medicine & Biology, 2017 - Elsevier
Voiding dysfunction that results from bladder outlet (BO) obstruction is known to alter
significantly the dynamics of urine passage through the urinary tract. To non-invasively …

Contrast-enhanced urodynamic vector projectile imaging (CE-UroVPI) for urethral voiding visualization: Principles and phantom studies

T Ishii, H Nahas, BYS Yiu, AJY Chee, CH Alfred - Urology, 2020 - Elsevier
Objective To devise a new urodynamic imaging framework that can provide time-resolved
visualization of urinary flow and urethral deformation during the initiation phase of voiding …

The pressure flow study investigation of pathophysiology of post-micturition dribble in male patients

M Hashimoto, N Shimizu, S Fujimoto… - … Urology and Nephrology, 2023 - Springer
Purpose In this study, we aimed to elucidate the pathophysiology of post-micturition dribble
(PMD) through analyzing several variables including pressure flow study (PFS) findings and …

Computational fluid dynamics modeling approaches to assess lower urinary tract hydraulic dynamics in posterior urethral valve before and after endoscopic valve …

HS Chen, X Liu, ZC Zhang, ZH Ye, T Lin, DW He… - World Journal of …, 2022 - Springer
Purpose Computational fluid dynamics (CFD) has been used successfully in cardiovascular
system research to analyze the physiological processes inside vessels. We evaluated the …

Prostatic collagen architecture in neutered and intact canines

H Ruetten, KA Wegner, MF Romero, MW Wood… - The …, 2018 - Wiley Online Library
Background Prostate stiffness and increased collagen content both associate with the
presence of urinary symptoms in men but mechanisms responsible, including impact of age …

Dynamic simulation and analysis of the influence of urethral morphological changes on urodynamics after benign prostatic hyperplasia surgery: A computational fluid …

X Wang, P Liu, S Zhao, F Wang, X Li, L Wang… - Computer Methods and …, 2024 - Elsevier
Background and objective Computational fluid dynamics (CFD) technology has been widely
used in medicine to simulate and analyse urine flow characteristics in urology. In previous …