Summary
Dorsal column stimulation in two spastic patients with upper motor neurone disease showed the following effects:
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1.
The subjective feeling of stiffness decreased. During DCS patients were able to walk longer distances without rest.
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2.
The ability to perform fast alternating or synchronous “pedal-pressing” foot movements improved by 15%.
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3.
The threshold of H-reflexes was enhanced up to 12%, and outlasted the end of stimulation by two minutes.
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4.
The H-reflex amplitude was depressed in relation to intensity and duration of DC-stimulation up to 10 minutes after the end of DCS.
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5.
A late second facilitatory wave at 300 msec in the curve for H-reflexes conditioned by a short tibial stimulus was inhibited during DCS.
Although the hyperexcitability of the H-reflex was dampened significantly during DCS the whole motor disturbance improved only slightly.
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Supported by Sonderforschungsbereich Hirnforschung und Sinnesphysiologie (SFB 70) der Deutschen Forschungsgemeinschaft (DFG) and the Bundesminister für Arbeit und Sozialordnung Bonn-Bad Godesberg.
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Thoden, U., Krainick, J.U., Straßburg, H.M. et al. Influence of dorsal column stimulation (DCS) on spastic movement disorders. Acta neurochir 39, 233–240 (1977). https://doi.org/10.1007/BF01406733
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DOI: https://doi.org/10.1007/BF01406733