| New Method and Usefulness of Study on Sensory Nerve Conduction of Lateral Sural Cutaneous Nerve. |
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Ryu, Gi Hyeong , Nam, Ki Yeun , Jun, Jae Yong , Sim, Young Joo , Choi, Jong Ho , Kwon, Bum Sun , Park, Jin Woo , Lim, Hyun Sul |
1Department of Rehabilitation Medicine, Dongguk University College of Medicine, Korea. rusl98@naver.com
2Department of Rehabilitation Medicine, Dankook University College of Medicine, Korea.
3Department of Rehabilitation Medicine, Kosin University College of Medicine, Korea.
4Department of Preventive Medicine, Dongguk University College of Medicine, Korea. |
| 외측비복피부신경 전도검사의 새로운 방법 및 유용성 |
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류기형, 남기연, 전재용1, 심영주2, 최종호, 권범선, 박진우, 임현술3 |
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동국대학교 의과대학 재활의학교실, 1단국대학교 의과대학 재활의학교실, 2고신대학교 의과대학 재활의학교실, 3동국대학교 의과대학 예방의학교실 |
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| Abstract |
Objective
To find a new method and usefulness of study on sensory nerve conduction of lateral sural cutaneous nerve (LSCN).
Method
The 60 extremities of 30 adults without peripheral neuropathy were placed in a prone position. Next, each subject was administered with an antidromic stimulation at a point 3 cm lateral from the center of the popliteal fossa. With the aid of active electrodes, the sensory nerve action potentials (SNAPs) were recorded at points 10 cm inferior and 1 cm lateral to the stimulation site. The method of sensory nerve conduction study suggested by Campagnolo et al. was performed simultaneously, to compare of the frequency of SNAPs and the amplitudes.
Results
For the sensory nerve conduction study of the LSCN suggested in this report, SNAPs were obtained in 49 extremities, with a revelation rate of 81.7%. The mean amplitude was 11.91±3.68ՌV. In the results of the tests suggested by Campagnolo et al., the SNAPs were obtained in 29 extremities, with a revelation rate of 48.3%. The mean amplitude was 8.37±5.21ՌV. Significance testing of the electrodiagnostic method recommended in this study revealed that many SNAPs were observed for the LSCN, with statistically significant action potential amplitudes.
Conclusion
This study presents the new method and reference values of sensory nerve conduction for LSCN, which is thought to be useful in electrodiagnostic studies to diagnose entrapment neuropathy. (J Korean Acad Rehab Med 2008; 32: 300-304) |
| Key Words:
Entrapment neuropathies, Sural nerve, Peroneal nerve, Neural conduction, Electromyography |
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