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目的 探讨放射治疗对鼻咽癌患者中耳功能的影响 ,寻找有效的防治措施。方法 观察 163例鼻咽癌患者放疗前后分泌性中耳炎的发生及中耳压的改变。结果 鼻咽癌患者放疗后分泌性中耳炎的发生率为 41.6% ( 10 2 / 2 45只耳 ) ,其中放疗后 6个月之内分泌性中耳炎发生率达 47.1% ( 4 8/ 10 2只耳 ) ,放疗所致分泌性中耳炎与电离辐射对中耳的直接损伤和放疗前中耳负压的升高有密切的关系。结论 发生分泌性中耳炎是放射治疗对鼻咽癌患者中耳功能影响的原因之一 ,应改进放射治疗设野技术 ,使用有效药物和采取鼓室插管的方法进行防治。
Objective To investigate the effects of radiotherapy on the middle ear function of patients with nasopharyngeal carcinoma and to find out the effective prevention and treatment measures. Methods 163 cases of nasopharyngeal carcinoma patients with secretory otitis media before and after radiotherapy and changes in middle ear pressure. Results The incidence of secretory otitis media was 41.6% (102/245 ears) after radiotherapy in patients with nasopharyngeal carcinoma, and the incidence of secretory otitis media was 47.1% (48/102 ears) within 6 months after radiotherapy. , Otitis media with radiation-induced otitis media and ionizing radiation on the direct damage to the middle ear and radiotherapy before the increase in negative pressure are closely related. Conclusions The occurrence of otitis media with effusion is one of the reasons for the influence of radiation therapy on the middle ear function of patients with nasopharyngeal carcinoma. Radiation therapy should be improved, and effective drugs and tympanic intubation should be used for prevention and treatment.