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We observed a marked prolongation of the transcranially evoked silent period during continuous intrathecal administration of high doses of the gamma-aminobutyric acid (GABA)B receptor agonist baclofen in a patient with generalized dystonia. Size of motor evoked potentials and central conduction time remained unchanged during intrathecal baclofen(More)
Intrathecal baclofen dramatically improves severe spastic syndromes. This improvement is likely related to reduced excitability of alpha-motoneurons. To investigate the influence of baclofen upon the alpha-motoneuron, we analyzed F-waves before and after intrathecal baclofen bolus injection (usually 50 micrograms) as well as after administration of(More)
In 11 squirrel monkeys (Saimiri sciureus), the brain stem was systematically explored with electrical brain stimulation for sites affecting the acoustic structure of ongoing vocalization. Vocalization was elicited by electrical stimulation of different brain structures. A severe deterioration of the acoustical structure of vocalization was obtained during(More)
We report on eight patients with stiff-man syndrome (SMS) or its "plus" variant, progressive encephalomyelopathy with rigidity and myoclonus (PERM) receiving intrathecal baclofen via pump. In six of the patients, follow-ups continued for approximately 2.5 to 6.5 years after pump implantation. Intrathecal baclofen was an effective last-resort alternative for(More)
Delayed ischemic dysfunctions (DID) are one of the main complications following subarachnoid hemorrhage. It was the aim of our study to analyse the possible prognostic value of different transcranial Doppler ultrasonography parameters and to elucidate the risk of developing DID with particular reference to the intracranial pressure. The relative change of(More)
OBJECTIVE To investigate whether the dose of intrathecal baclofen necessary for a sufficient reduction of muscle tone and spasms changes during treatment of severe spasticity. METHODS A group of 27 patients received intrathecal baclofen for 61 (SD 18) months. RESULTS Spasticity remained absent or strongly reduced after stopping the intrathecal baclofen(More)
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