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  • Title: Beta 1 versus nonselective blockade in therapy of essential tremor.
    Author: Larsen TA, Teräväinen H.
    Journal: Adv Neurol; 1983; 37():247-51. PubMed ID: 6344590.
    Abstract:
    The beta 1-selective blocker metoprolol was compared to propranolol and a placebo in a double-blind crossover trial in 24 patients with essential tremor. Both beta blockers suppressed the essential tremor, but metoprolol, which caused a mean reduction of 32.0% in tremor intensity from the base-line value, was less effective than propranolol, which reduced mean tremor intensity by 41.3%. Subjective benefit for their tremor was found by 15 of the patients taking propranolol and by one taking metoprolol. The tremor frequency was not affected. No serious side effects were observed. Metoprolol may offer an alternative for those essential tremor patients who cannot tolerate propranolol.
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