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用非选择性β受体阻滞剂心得安治疗原发性震颤已有十多年历史。该药可引起支气管痉挛,而使用选择性β_1-阻滞剂氨酰心安则可避免此副作用。由于氨酰心安对原发性震颤的疗效说法不一,作者采用双盲交叉法研究心得安240mg/d,氨酰心安100mg/d 及
With non-selective β-blocker propranolol treatment of essential tremor for more than 10 years of history. The drug can cause bronchospasm, and the use of selective β-blocker atenolol can avoid this side effect. Because of the efficacy of atenolol on the treatment of essential tremor, the authors used a double-blind crossover study of propranolol 240mg / d, atenolol 100mg / d and