Relationship between prostatic urethral angle and urinary flow rate: its implication in benign prostatic hyperplasia pathogenesis.

@article{Cho2008RelationshipBP,
  title={Relationship between prostatic urethral angle and urinary flow rate: its implication in benign prostatic hyperplasia pathogenesis.},
  author={Kang Su Cho and Joo Han Kim and Dong Jun Kim and Young Deuk Choi and Jang Hwan Kim and Sung Joon Hong},
  journal={Urology},
  year={2008},
  volume={71 5},
  pages={858-62}
}
OBJECTIVES The prostatic urethra is a bent tube, and the clinical significance of the prostatic urethral angle (PUA) is poorly understood. We investigated the effect of the PUA on the urinary flow rate in men without benign prostatic obstruction. METHODS In a theoretical model, the urinary flow rate at the end of the prostatic urethra was formulated according to some principles of fluid dynamics, including the Navier-Storkes equation, Bernoulli's equation, and the loss of coefficient at bends… CONTINUE READING
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