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Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies
Published on: January 11, 2019
Premotor potential study in carpal tunnel syndrome
Mitsuhiko Kodama1, Yu Sasao, Michi Tochikura
1Department of Rehabilitation Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa 259-1193, Japan. mi_jiko@fc4.so-net.ne.jp
Muscle & Nerve
|September 29, 2012
Summary
Measuring premotor potentials (PMPs) can aid in diagnosing carpal tunnel syndrome (CTS). PMP parameters show strong correlations with standard nerve conduction studies and CTS severity.
Area of Science:
- Neurophysiology
- Clinical Electromyography
Background:
- Premotor potentials (PMPs) are median sensory nerve action potentials.
- Their diagnostic utility for carpal tunnel syndrome (CTS) is under-explored.
Purpose of the Study:
- To investigate the relationship between PMP parameters and standard median nerve conduction studies in CTS.
- To assess the diagnostic value of PMP parameters for CTS.
Main Methods:
- Studied 74 hands with confirmed CTS.
- Analyzed correlations between PMP parameters and six standard median nerve conduction studies.
Main Results:
- All PMP parameter comparisons showed significant correlations.
- PMP conduction velocity strongly correlated with wrist-to-digit 2 sensory conduction velocity (r² = 0.91).
- PMP parameters correlated significantly with the neurophysiological severity of CTS.
Conclusions:
- PMP parameter measurement via second lumbrical-interosseous study is a potentially valuable tool for CTS diagnosis.
- This method may enhance the neurophysiological assessment of carpal tunnel syndrome.
