IMPROVED INCHING METHOD FOR THE DIAGNOSIS AND PROGNOSIS OF CARPAL-TUNNEL SYNDROME

被引:15
作者
IMAOKA, H [1 ]
YORIFUJI, S [1 ]
TAKAHASHI, M [1 ]
NAKAMURA, Y [1 ]
KITAGUCHI, M [1 ]
TARUI, S [1 ]
机构
[1] KINKI UNIV,SCH MED,DEPT NEUROL,HIGASHIOSAKA,OSAKA 577,JAPAN
关键词
CARPAL TUNNEL SYNDROME; MULTICHANNEL INCHING RECORDING; ENTRAPMENT NEUROPATHY; CONDUCTION DELAY; SENSORY NERVE ACTION POTENTIAL;
D O I
10.1002/mus.880150310
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
A modified sensory "inching" method for the electrodiagnosis of carpal tunnel syndrome (CTS) is described. The median nerve as stimulated at the cubital portion, with 8 channel recording electrodes placed along the nerve across the carpal tunnel. In most of the CTS cases, there was a conductive abnormality from 3 to 4.5 cm distal to the proximal ending of the flexor retinaculum. Subjects' values, obtained by subtracting the theoretical latency from the measured latency, which were more than 0.6 ms, could not be improved by conservative therapy. As we could determine from subtle change at the short span of nerve conduction, below the electrodes from the proximal to the affected site of the carpal tunnel, this method provides high sensitivity and specificity for the diagnosis of CTS.
引用
收藏
页码:318 / 324
页数:7
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