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缺锌与耳鸣的关系已有报道。有人行非对照性研究报告服锌能减轻耳鸣。本文采用安慰剂与锌剂双盲法研究锌对耳鸣的疗效。48例耳鸣病人随机分为实验组23人,安慰剂组25人,两组年龄无差异。治疗前每个病人进行常规的耳科和听力学检查,包括纯音测听、语言测听、声阻抗测听、电反应测听、冷热水试验、CT及眼科和神经科检查。治疗前、后空腹抽血查血锌浓度。服用的药片为安慰剂或硫酸锌
The relationship between zinc deficiency and tinnitus has been reported. Some people do not control the study reported that zinc can reduce tinnitus. In this paper, placebo and zinc double-blind study of zinc on the efficacy of tinnitus. Forty-eight tinnitus patients were randomly divided into experimental group 23 and placebo 25 patients, no difference in age between the two groups. Before treatment, each patient underwent routine otology and audiology tests, including pure tone audiometry, audiometry, acoustic impedance audiometry, electrical response audiometry, hot and cold water tests, CT and ophthalmology and neurology examinations. Before and after treatment, fasting blood was taken to check the concentration of zinc. The pill taken was placebo or zinc sulfate