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Title: 膀胱外括約筋の筋電図に関する研究:第2報 排尿障害を有する症例の膀胱外括約筋の筋電図について
Other Titles: An electromyographic study on the activity of external vesical sphincter. 2. A study on pathological electromyogram of external vesical sphincter
Authors: 中新井, 邦夫  KAKEN_name
桜井, 勗  KAKEN_name
竹内, 正文  KAKEN_name
栗田, 孝  KAKEN_name
Author's alias: Nakaarai, Kunio
Sakurai, Tsutomu
Takeuchi, Masafumi
Kurita, Takashi
Keywords: Adolescent
Child, Preschool
Middle Aged
Spinal Cord Injuries/physiopathology
Urinary Bladder/physiopathology
Urination Disorders/physiopathology
Issue Date: Apr-1970
Publisher: 泌尿器科紀要刊行会
Journal title: 泌尿器科紀要
Volume: 16
Issue: 4
Start page: 141
End page: 156
Abstract: Activities of external vesical sphincters of thirty-eight patients with abnormal urination were studied by electromyography. Electromyography was studied on bulbocavernosus muscle in male subjects and on urethral striated muscle in female subjects. This report mainly deals with pathological electromyogram in case of cord injury and peripheral nerve injury. The following three points are thought to be the most important in electromyographic study of external vesical sphincter. (1) Spike discharges in EMG of external vesical sphincter in time of empty bladder. (2) Ability of voluntary interruption of urination (voluntary contraction of external vesical sphincter). (3) Increase or no increase of spike discharges in EMG of external vesical sphincter in time of full bladder (reflex contraction of external vesical sphincter). Abnormal electromyograms of external vesical sphincters sharply revealed patho-physiological states of the sphincters. Fibrillation voltage in time of empty bladder, no increase of spike discharges, and high amplitude or complex NMU voltage in time of reflex contraction as well as voluntary contraction of external vesical sphincter were seen in cases of peripheral nerve injuries or cord injuries .
PubMed ID: 5463379
Appears in Collections:Vol.16 No.4

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