Document Detail

Relationship between penile hemodynamic parameters assessed by color Doppler ultrasonography and penile rigidity recorded by the RigiScan Plus.
MedLine Citation:
PMID:  15604573     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: We studied the relationship between penile hemodynamic parameters assessed by color Doppler ultrasonography and penile rigidity estimated by objective measurement. PATIENTS AND METHODS: A total 37 patients with erectile dysfunction were examined. After intracavernous injection of 20 microg prostaglandin E1, we measured their penile hemodynamic parameters in the cavernous arteries by color Doppler ultrasonography. Simultaneously, the RigiScan Plus device was used for real-time evaluation of penile rigidity. Hemodynamic parameters were correlated with penile rigidity. RESULTS: Peak systolic velocity and resistive index were significantly correlated with penile tip (r = 0.54, r = 0.72, respectively) and base (r = 0.55, r = 0.76, respectively) rigidity; there was no significant correlation between end-diastolic velocity and penile rigidity. CONCLUSIONS: Peak systolic velocity and resistive index were strongly correlated with penile rigidity in patients with erectile dysfunction during intracavernous pharmacological testing. The resistive index in particular appeared to be the most valid parameter for assessment of penile rigidity.
Ichiro Mizuno; Hideki Fuse; Yasuyoshi Fujiuchi; Osamu Nagakawa; Takuya Akashi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Urologia internationalis     Volume:  73     ISSN:  0042-1138     ISO Abbreviation:  Urol. Int.     Publication Date:  2004  
Date Detail:
Created Date:  2004-12-17     Completed Date:  2005-03-17     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0417373     Medline TA:  Urol Int     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  310-2     Citation Subset:  IM    
Copyright Information:
2004 S. Karger AG, Basel.
Department of Urology, Faculty of Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan.
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MeSH Terms
Erectile Dysfunction / physiopathology*,  ultrasonography*
Middle Aged
Penile Erection*
Penis / blood supply*,  ultrasonography*
Ultrasonography, Doppler, Color*

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