THORACIC SPINAL NERVE AND ROOT CONDUCTION - A MAGNETIC STIMULATION STUDY

被引:25
作者
CHOKROVERTY, S
DEUTSCH, A
GUHA, C
GONZALEZ, A
KWAN, P
BURGER, R
GOLDBERG, J
机构
[1] UNIV MED & DENT NEW JERSEY,ROBERT WOOD JOHNSON MED SCH,DEPT NEUROL,NEW BRUNSWICK,NJ 08903
[2] ST VINCENT HOSP & MED CTR,DEPT NEUROPHYSIOL,NEW YORK,NY
[3] ST VINCENT HOSP & MED CTR,DEPT NEUROL,NEW YORK,NY
关键词
MAGNETIC COIL; SPINAL NERVE AND ROOTS; FIXED SITE OF STIMULATION; DIABETIC; RADICULONEUROPATHY;
D O I
10.1002/mus.880180910
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
We describe a technique of magnetic coil (MC) stimulation of the thoracic spinal nerves and roots in 12 normal subjects and a patient with diabetes mellitus. We kept the MC flat against the vertebral column in the midline over T-7, T-8, and T-9 spinous processes and obtained compound muscle action potentials from the upper rectus abdominis, external oblique, and intercostal muscles. We obtained mean latencies to these muscles after stimulation in the posterior axillary line. We noted that the onset latencies remained fixed despite increasing the intensity of stimulation from 30% to 100% and on moving the coil up to 3 cm lateral to the spinous processes suggesting that the stimulation of the fastest conducting fibers was occurring at a fixed site, most likely at the intervertebral foramina. Prolonged latencies in the diabetic patient confirmed the diagnosis of radiculoneuropathy. (C) 1995 John Wiley and Sons, Inc.
引用
收藏
页码:987 / 991
页数:5
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