目的：观察盐酸阿罗洛尔治疗特发性震颤（ET）患者的疗效和安全性。

AIM: To evaluate the efficacy and safety of arotinolol hydrochloride, a peripherally acting beta adrenergic blocker, in the patients with essential tremor (ET).

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结论：盐酸阿罗洛尔可明显改善患者的震颤症状，是治疗原发性震颤的有效药物，服用方便而且安全。

CONCLUSION: Hydrochloric-acid arotinolol can improve tremor symptom of patients obviously and is an effective drug to treat essential tremor with convenient and safe medication.

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