Document Detail

Neurophysiological investigations of two hundred men with erectile dysfunction. Interest of bulbocavernosus reflex and pudendal evoked responses.
MedLine Citation:
PMID:  2401304     Owner:  NLM     Status:  MEDLINE    
Two-Hundred consecutive patients complaining of impotence have had complete urological and neurophysiological investigations to determine a possible organic cause of their sexual dysfunction. All patients had urological and neurological history and examination: nocturnal penile plethysmography, papaverine intracavernosus injection, penile arterial doppler and/or arteriography, cavernography-cavernometry, serum hormonal levels, and bulbocavernosus reflex (BCR). Peripheral conduction velocities and pudendal-evoked responses (PER) were also performed if neurological history or examination and/or BCR were abnormal. Only 30 patients (15%) had an abnormal BCR. In 17 patients, a neurological associated disorder was found. Four patients had normal erections during plethysmography, despite their complaints. Nine patients with an isolated prolonged BCR also presented a vascular abnormality that could explain impotence. Abnormal PER was observed only in 6 patients, 4 of them with a prolonged BCR as well. These results suggest that PER is not an interesting neurophysiological routine test for the diagnosis of neurogenic impotence and that the relationship between an abnormal BCR and neurogenic impotence is doubtful.
M C Nogueira; A G Herbaut; E Wespes
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European urology     Volume:  18     ISSN:  0302-2838     ISO Abbreviation:  Eur. Urol.     Publication Date:  1990  
Date Detail:
Created Date:  1990-10-22     Completed Date:  1990-10-22     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  7512719     Medline TA:  Eur Urol     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  37-41     Citation Subset:  IM    
Department of Neurology, Erasme Hospital, University Clinics of Brussels, Belgium.
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MeSH Terms
Erectile Dysfunction / diagnosis*,  physiopathology
Evoked Potentials / physiology
Middle Aged
Muscle Contraction / physiology*
Neural Conduction / physiology
Penile Erection / physiology*
Penis / innervation*
Reflex / physiology*

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