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本文强调以往用听神经切断法制止耳鸣的成功率,既不满意又无法预知。作者比较了利多卡因静注与听神经切断的效果,介绍了利多卡因在选择听神经切断病例中具有的价值,进一步阐明了利多卡因制止耳鸣的作用部位。作者4年内采用听神经切断治疗耳鸣7例,术前均静注利多卡因。术后耳鸣仍存在的4例,重复静注利多卡因仍无效;试用利多卡因有效者2例,术后耳鸣消失。说明利多卡因作用于末梢,
This article emphasizes the success rate of using tinnitus to stop tinnitus in the past is neither satisfied nor predictable. The authors compared the effects of lidocaine intravenous and auditory nerve transection, described the value of lidocaine in the selection of cases of auditory nerve transection, and further clarified the role of lidocaine to stop the site of tinnitus. The authors used auditory nerve transection in 4 years to treat tinnitus in 7 cases, preoperative intravenous injection of lidocaine. Tinnitus still exists in 4 cases after surgery, repeated intravenous lidocaine is still invalid; effective trial of lidocaine in 2 cases, tinnitus disappeared. Lidocaine effect on the tip,