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Journal of the Korean Academy of Rehabilitation Medicine 1995;19(2):26.
Pudendal Nerve Conduction Study by use of St. Mark's Pudendal Electrode
Young Moo Na, M.D., Seong Woong Kang M.D. , Ju Kang Lee, M.D.
The Department of Rehabilitation Medicine, Yonsei University College of Medicine

Department of Rehabilitation Medicine, Aju University College of Medicine*

St. Mark's Pudendal Electrode를 이용한 음부신경의 신경전도속도
나영무, 강성웅, 이주강
연세대학교 의과대학 재활의학교실

Access to the pudendal nerve is exceedingly limited and measurement of its conduction velocity has proved difficult. Work at St. Mark's Hospital, London, resulted in the development of an easier method for measuring the distal motor latency in the pudendal nerve. The purpose of this study is to help diagnosis of fecal or urinary incontinence with pudendal nerve injury. We stimulated rectal mucosa using St. Mark's pudendal electrode and recording from external anal sphincter, and we got the distal latency of pudendal nerve, 2.03 ms. The mean latencies of responses from anal sphincter are 2.05 ms in men, 2.01 ms in women and 2.04 ms on the right, 2.03 ms on the left. There is no difference of latencies between the men and women, right and left. We got the greately prolonged distal latency of patients with fecal incontinence, 3.53ms.

Key Words: Pudendal nerve, Distal latency, St. Mark's pudendal electrode


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