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Prostatic urethral angulation associated with urinary flow rate and urinary symptom scores in men with lower urinary tract symptoms

Authors
 Woo Jin Bang  ;  Hong Wook Kim  ;  Joo Yong Lee  ;  Dae Hoon Lee  ;  Yoon Soo Hah  ;  Hyung Ho Lee  ;  Kyo Chul Koo  ;  Ho Song Yu  ;  Won Sik Ham  ;  Kang Su Cho 
Citation
 UROLOGY, Vol.80(6) : 1333-1337, 2012 
Journal Title
 UROLOGY 
ISSN
 0090-4295 
Issue Date
2012
MeSH
Aged ; Humans ; Lower Urinary Tract Symptoms/pathology* ; Lower Urinary Tract Symptoms/physiopathology ; Male ; Middle Aged ; Urethra/pathology* ; Urodynamics
Keywords
Aged ; Humans ; Lower Urinary Tract Symptoms/pathology* ; Lower Urinary Tract Symptoms/physiopathology ; Male ; Middle Aged ; Urethra/pathology* ; Urodynamics
Abstract
OBJECTIVE: To evaluate the effect of the prostatic urethral angle (PUA) on the peak flow rate (Qmax) and urinary symptoms in the clinical setting. MATERIALS AND METHODS: The records were obtained from a prospectively maintained database for first-visit men with lower urinary tract symptoms. Uroflowmetric measurements, postvoid residual urine volume, and International Prostate Symptom Score were assessed. The prostate-related parameters, including prostate volume, PUA, and intravesical prostatic protrusion, were measured using transrectal ultrasonography. Patients with comorbidities that can affect voiding function or in whom the PUA could not be measured were excluded. RESULTS: A total of 316 patients were included. On multivariate linear regression analysis, the PUA (P = .002) was independently associated with the International Prostate Symptom Score. However, the International Prostate Symptom Score was not influenced by patient age, prostate volume, or intravesical prostatic protrusion. The mean PUA was significantly different according to symptom severity. The mean PUA was 42.2° ± 7.0°, 45.5° ± 9.1°, and 47.3° ± 8.6° in patients with mild, moderate, and severe symptoms, respectively (P = .004, analysis of variance). Although the PUA (P <.001) and patient age (P <.001) were independent predictors of Qmax, the prostate volume and intravesical prostatic protrusion did not affect the Qmax. The mean PUA was 52.2° ± 7.3° in patients with a Qmax <10 mL/s, 45.0° ± 7.9° in those with a Qmax ≥10 mL/s but <20 mL/s, and 39.8° ± 7.9° in those with a Qmax of ≥20 mL/s (P <.001, analysis of variance). CONCLUSION: The results of our study has shown that the PUA is significantly associated with the Qmax and symptom scores in men with lower urinary tract symptoms. Our findings suggest that the PUA should be considered in the treatment of male patients with lower urinary tract symptoms.
Full Text
http://www.sciencedirect.com/science/article/pii/S0090429512010539
DOI
23206777
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hong Wook(김홍욱)
Bang, Woo Jin(방우진)
Yu, Ho Song(유호송)
Lee, Dae Hoon(이대훈)
Lee, Joo Yong(이주용) ORCID logo https://orcid.org/0000-0002-3470-1767
Cho, Kang Su(조강수) ORCID logo https://orcid.org/0000-0002-3500-8833
Ham, Won Sik(함원식) ORCID logo https://orcid.org/0000-0003-2246-8838
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/92000
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