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KMID : 0358319960370060694
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Korean Journal of Urology
1996 Volume.37 No. 6 p.694 ~ p.700
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Diagnostic Values of SPACE Test in Corpus Cavernous Smooth Muscle
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Abstract
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Purpose:
@EN The ideal eurourophysiologic investigatory technique would objectively and quantitaively evaluate functional status of all parts of the neurologic network involved in obtaining and maintaining penile erection. We asdessed electrical activity
of the
corpus cavernous smooth muscle in normal and neurogenic erectiloe dysfunction men SPACE(r).
@ES Material and Methods:
@EN A total of 39 normal subjects and 40 neurogenic erectile dysfuntction patients underwent single potential analysis of cavernous electrictiy(SPACE) with a 2-channel EMG amplifier and surface electrodes. The electrical potentials were processed
with
the cut off rfrequencies at 0.3 - 32 Hz, a paper speed of 0.5cm/sec, and a range of amplitude of 0.5mV.
@ES Results:
@EN In 35 of 39 normal subjectsf(89.7%) and 5 of 10 incomplete suprasacral spinal core injury patients, similar single potentials of uniform spape were recorded. In patients with peripheral autonomic denervaltion, irregular shape potentials with
higher
frequency and lower amplitude were found. In 3 of 5 patients with long standing diabetes(over 15 pears), SPACE(r) showes electrical silence.
@ES Conclusion:
@EN These results suggest that SPACE(r) test is a useful noninvasive and reproducible method for evaluating cavernous innervation in erectile dysfunction. Furthermore, the single potential means intact cavernous innervation.
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KEYWORD
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