نتایج جستجو برای: dyskinesia
تعداد نتایج: 5708 فیلتر نتایج به سال:
The aim of the present study was to evaluate effect of ellagic acid, a polyphenol bioactive compound, on reserpine-induced orofacial dyskinesia in Wistar male albino rats and to explore the possible underlying mechanisms for this effect. Reserpine (1 mg kgG1, i.p.) was administered on every alternate day for a period of 5 days (day 1, 3 and 5) to induce orofacial dyskinesia in rats. Ellagic aci...
Angiogenesis and increased permeability of the blood-brain barrier have been reported to occur in animal models of Parkinson's disease and l-dopa-induced dyskinesia, but the significance of these phenomena has remained unclear. Using a validated rat model of l-dopa-induced dyskinesia, this study demonstrates that chronic treatment with l-dopa dose dependently induces the expression of vascular ...
BACKGROUND Cerebellar repetitive transcranial magnetic stimulation may be effective in reducing peak-dose levodopa induced dyskinesia in Parkinson's disease patients. It was proposed that the antidyskinetic effect could be due to modulation of cerebello-thalamo-cortical pathways. However the neural basis for these clinical effects have not yet been demonstrated. METHODS We investigated the ef...
Dyskinesia is a major side effect of chronic levodopa (L-DOPA) administration, the reference treatment for Parkinson's disease (PD). High-frequency stimulation of the subthalamic nucleus (STN-HFS) alleviates parkinsonian motor symptoms and indirectly improves dyskinesia by decreasing L-DOPA requirement. However, inadequate stimulation can also trigger dyskinetic movements in PD patients and ani...
Deep brain stimulation (DBS) has been an established surgical treatment option for dyskinesia from Parkinson disease and for dystonia. The present article deals with the timing of surgical intervention, selecting an appropriate target, and minimizing adverse effects. We provide an overview of current evidences and issues for dyskinesia and dystonia as well as emerging DBS technology.
The aim of the present study was to investigate the effect of ellagic acid on haloperidol-induced orofacial dyskinesia and catalepsy in Wistar male albino rats and to explore the possible underlying mechanisms for these effects. Haloperidol (1 mg/kg, ip) was administered on 21 successive days to induce orofacial dyskinesia in rats. Ellagic acid (10, 20 and 40 mg/kg, po) was administered for 21 ...
Levetiracetam (LEV) (Keppra; UCB Pharma, Brussels, Belgium) has recently been reported to have antidyskinetic activity against levodopa (L-DOPA)-induced dyskinesia in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-lesioned marmoset and macaque models of Parkinson's disease. Amantadine is frequently used as adjunctive therapy for L-DOPA-induced dyskinesia, but adverse effects limit its ...
OBJECTIVES To investigate the incidence of tardive dyskinesia in elderly individuals beginning treatment with antipsychotic drugs and to identify risk factors for the development of tardive dyskinesia in the elderly. DESIGN A cohort of previously neuroleptic-naive patients was identified at the time of initiation of antipsychotic drug treatment. Patients were evaluated at baseline and followe...
BACKGROUND Dyskinesia, a major complication in the treatment of Parkinson's disease (PD), can require prolonged monitoring and complex medical management. DISCUSSION The current paper proposes a new way to view the management of dyskinesia in an integrated fashion. We suggest that dyskinesia be considered as a factor in a signal-to-noise ratio (SNR) equation where the signal is the voluntary ...
Rodents with lesion of dopaminergic pathway when receiving repeated l-3,4-dihydroxiphenylalanine (l-DOPA) treatment develop abnormal involuntary movements called dyskinesia. We demonstrated that nitric oxide synthase (NOS) inhibitors mitigate l-DOPA-induced dyskinesia in rodents. The aim of the present study was to verify if the in vivo preferential neuronal NOS (nNOS) inhibitor 7-nitroindazole...
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