Document Detail

Penile blood flow and musculovascular events during sleep-related erections of middle-aged men.
MedLine Citation:
PMID:  3599208     Owner:  NLM     Status:  MEDLINE    
The relationships among penile segmental pulsatile blood flow, pelvic musculovascular events, phases of nocturnal penile tumescence, and sleep stages were studied by all-night polysomnography in 23 healthy middle-aged men. Penile blood flow peaked during maximal tumescence. Bursts of phasic musculovascular activity were more frequent during ascending and maximal tumescence than during detumescence and baseline. Both penile blood flow and the number of musculovascular events increased during REM sleep. These data describe important local aspects of penile erectile mechanisms in normal men. The findings on musculovascular events support the notion that the bulbocavernosus-ischiocavernosus muscles have a role in human penile erection.
I Karacan; M Hirshkowitz; P J Salis; E Narter; M F Safi
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  The Journal of urology     Volume:  138     ISSN:  0022-5347     ISO Abbreviation:  J. Urol.     Publication Date:  1987 Jul 
Date Detail:
Created Date:  1987-07-27     Completed Date:  1987-07-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0376374     Medline TA:  J Urol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  177-81     Citation Subset:  AIM; IM    
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MeSH Terms
Middle Aged
Monitoring, Physiologic
Muscle Contraction*
Muscles / physiology*
Penile Erection*
Penis / blood supply*
Regional Blood Flow
Sleep / physiology*

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