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Tremor-predominant Parkinson's disease. Approaches to treatment



Tremor-predominant Parkinson's disease. Approaches to treatment



Drugs & Aging 16(4): 273-278



Parkinson's disease is a neurodegenerative disorder that manifests clinically with variable degrees of tremor, muscle rigidity, bradykinesia and postural instability. Tremor-predominant Parkinson's disease is characterised by prominent tremor of one or more limbs with a relative lack of significant rigidity and bradykinesia. Despite the lack of other disabling motor symptoms, the tremor of tremor-predominant Parkinson's disease can be very disabling, especially if a postural and kinetic component exists. A wide variety of treatments for Parkinson's disease tremor are currently available and include use of oral medications, injections with botulinum toxin and neurosurgical procedures. Some of the first line medications (levodopa, dopamine agonists, anticholinergics) are very effective in controlling tremor. However, some patients with Parkinson's disease tremors are unresponsive to first line drugs and treatment with second line medications (clozapine, amantadine, clonazepam, propranolol, neurontin) should be attempted. In the small number of patients with disabling tremor that is refractory to all medications, neurosurgical intervention should be considered. Both thermocoagulation and deep brain stimulation at several different neuroanatomical sites (thalamus, globus pallidus, subthalamic nucleus) offer good to excellent tremor control with relatively low risk to the patient.

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Accession: 035985046

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PMID: 10874522



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