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Electromyography of the external urethral sphincter Tetsutaro Ohnuma 1,2 1Department of Urology, Tohoku University School of Medicine 2Department of Urology, Tohoku Rosai Hospital pp.442-448
Published Date 1984/6/10
DOI https://doi.org/10.11477/mf.1431905608
  • Abstract
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Abstract

There are several method for the assessment of the urethral function. Electromyography of the external urethral sphincter (EMGext. sph.) is one of it, which reveals the dynamic aspect of the urethra for continence.

The abnormality of EMGext. sph. is classified into three types, e.g., detrusor-external sphincter dyssynergia (DSD), uninhibited relaxaton of thesphincter, and hypoactive sphincter.

To record the EMBext. sph., the needle elec-trode, is generally used. In other cases, the plate electrode on the perineal portion, or the ring electrode mounted on the urethral catheter, are used.


Copyright © 1984, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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