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Pallidal stimulation in dystonia affects cortical but not spinal inhibitory mechanisms

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023884%3A_____%2F16%3A%230006958" target="_blank" >RIV/00023884:_____/16:#0006958 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11120/16:43912164 RIV/00064173:_____/16:N0000104 RIV/00216208:11110/16:10328064 RIV/00064165:_____/16:10328064

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Pallidal stimulation in dystonia affects cortical but not spinal inhibitory mechanisms

  • Original language description

    BACKGROUND: Deep brain stimulation (DBS) of the globus pallidus interna is an effective tool for the treatment of dystonia with possible distant effects reaching beyond the basal ganglia network. AIM: We analyzed the cortical silent period (CoSP) to test inhibitory circuits at the cortical level, and the cutaneous silent period (CuSP) and the H-reflex to test inhibitory circuits at the spinal level. METHODS: The upper limb muscles of 16 patients (9F, aged 54 (SD)16years) with generalized (N=9) and cervical (N=7) dystonia treated with DBS bilaterally were examined by the CoSP, CuSP and H-reflex in two states with random order: (i) in DBS ON and (ii) in DBS OFF condition two hours later, and compared with healthy controls. RESULTS: While the CuSP and H-Reflex did not differ between groups and remained unaffected by DBS, the CoSP was influenced significantly in dystonia. The CoSP onset latency was shortened (p<0.05 corrected) and the CoSP duration prolonged (p<0.01 corrected) in ON versus OFF condition. This effect was especially larger in generalized or phasic type of dystonia. Compared to healthy controls, the CoSP latency and duration became shorter in patients during the OFF condition only. CONCLUSION: The pallidal DBS did not affect the spinal inhibitory circuitry in dystonia. However, the abnormally low cortical inhibition was normalized after DBS possibly offering more efficient suppression of aberrant dystonic movements.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    FH - Neurology, neuro-surgery, nuero-sciences

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/NT12282" target="_blank" >NT12282: Pathophysiological mechanisms of neuromodulation therapy in dystonia</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Neurological Sciences

  • ISSN

    0022-510X

  • e-ISSN

  • Volume of the periodical

    369

  • Issue of the periodical within the volume

    Oct 15

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    19-26

  • UT code for WoS article

    000384861000005

  • EID of the result in the Scopus database

    2-s2.0-84982719018