Changes of Dorsal Nerve Conduction Velocity and Sensory Threshold of Glans Penis before and after Pharmacological Erection Using PGE1 / 대한남성과학회지
Korean Journal of Andrology
;
: 49-54, 1998.
Article
in Korean
| WPRIM
| ID: wpr-135647
ABSTRACT
PURPOSE:
We performed this study to determine the value of pharmacoerection with PGE1 for measurement of conduction velocity in the dorsal penile nerve and to identify the change in sensation in the glans penis between th pre-erection and posterection state. MATERIALS ANDMETHODS:
We studied 14 patients with psychogenic impotence and premature ejaculation (mean age 45.2+/-6.5 years) who had no evidence of neurologic deficit and responded with a full erection lasting more than 1 hour to PGE1 injection. We measured penile length, penile temperature, sensory threshold of the glans penis to electrical stimulation, BCRL, pudendal sensory evoked potential (SEP), and dorsal nerve conduction velocity and amplitude before, directly after, and 1 hour after erection induced using PGE1(15~20 microgram).RESULTS:
Neither PGE1 nor prolonged erection had any effect on the sensory threshold of glans penis, BCRL, pudendal SEP, or amplitude of the dorsal verve. Only the dorsal nerve conduction velocity changed. We could check the conduction velocity after erection in therr cases in which these values were not available at rest.CONCLUSIONS:
Given the absence of change in the sensory condition of the glans penis, pharmacoerection using PGE1 has no effect on premature ejaculation except to prolong the erection state. Pharmacoerection seems to be the best method of calculating dorsal nerve sensory conduction velocity and amplitude, It can replace th normal erection state and also help in obtaining a recordable potential when this measurement is technically difficult at rest.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Penis
/
Sensation
/
Sensory Thresholds
/
Alprostadil
/
Electric Stimulation
/
Evoked Potentials
/
Pudendal Nerve
/
Premature Ejaculation
/
Erectile Dysfunction
/
Neural Conduction
Type of study:
Prognostic study
Limits:
Humans
/
Male
Language:
Korean
Journal:
Korean Journal of Andrology
Year:
1998
Type:
Article
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