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The blink reflex was studied in 19 patients with migraine, 10 patients with tension-type headache, and 30 healthy controls. Significantly lower values of R2 and R2' amplitude and size were found in the migraine group, compared with the healthy control group. The differences were independent of the stimulation side (headache or nonheadache) and highly(More)
Blink reflex (BR) was studied in 17 patients with histochemically and genetically confirmed mitochondrial myopathy (MM). Fourteen patients had chronic progressive external ophthalmoplegia (CPEO) associated with a mild to moderate craniosomatic myopathy without any symptoms or signs of central nervous system (CNS) involvement, 2 myoclonic epilepsy with(More)
A patient with long-standing, occult pituitary insufficiency, who developed painful muscle stiffness and superimposed spasms, closely resembling stiff-person syndrome, was described. Complete resolution of neuromuscular symptoms with hormone replacement in this case, as well as in a previously reported one, led to the suggestion that a syndrome like(More)
OBJECTIVE To explore the efficacy and tolerability of levetiracetam in medical treatment of trigeminal neuralgia. BACKGROUND Antiepileptic drugs (AEDs) are considered as first-line treatment for trigeminal neuralgia, although their use is often limited due to incomplete efficacy and tolerability. Newer AEDs with improved safety profile may be useful in(More)
OBJECTIVE To investigate the underlying pathophysiology of primary lateral sclerosis (PLS) regarding possible changes in blink reflex (BR) circuit. METHODS BR was studied in 10 patients in whom diagnosis of PLS was established by comparing them to two control groups: ten patients with amyotrophic lateral sclerosis (ALS) and 30 healthy volunteers. All(More)
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