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Rehabilitation Practice and Science

Translated Title

神經根刺激檢查在腰薦部神經根病變的診斷價值

Abstract

Direct nerve root stimulation was compared with needle electromyography (EMG) in 40 patients suspected with L5 or S1 radiculopathy. Monopolar needle inserted into deep paraspinal muscles was used for the nerve root stimulation. The minimal latency, amplitude and area of negative phase of compound muscle action potential from myotomal muscles were recorded with an assistance of a computer program. Significant abnormality was considered in patients more than 2SD from control mean values. In 17 patients with a clinical evidence of radiculopathy, needle EMG wes abnormal in 10(58.8%)but nerve stimulation test showed an abnormal amplitude difference in 16(94.1%)and an abnormal area difference in 13 (76.5%). In 23 patients with only subjective symptoms of radiculopathy, needle EMG was abnormal in 9(39.1%), while there were 19(82.6%) with abnormal amplitude difference and 15(65.2%)with abnormal area difference by nerve root stimulation. Direct berve root stimulation is recognized as sensitive test in the diagnosis of lumbosacral radiculopath.

Language

Traditional Chinese

First Page

1

Last Page

4

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