ia with effusion (OME) at the Pittsburgh Otitis Media Research Center, 1980 to 1989. Total percentages are greater than 100% because of anismsР现有研究认为: ?OME可能起源于慢性感染?Secretory changes in the middle ear E are most likely due to chronic infection?多数患者以急性感染起病?The majority of cases begin as acute infection of the middle ear ?咽鼓管及中耳粘膜的炎症后反应导致持续性鼓室积液?Postinflammatory alteration in the middle ear mucosa and eustachian tube (e.g., goblet cell metaplasia and hypersecretion) lead to persistence of effusion?咽鼓管功能不良是疾病发生、发展的重要环节?Dysfunction of the eustachian tube is an important part of the process.Р症状?耳闷、听力下降、耳鸣以及自听过显?听力下降是儿童就诊的首要原因?体格检查?听力学测试?影像学检查:不作常规Р诊断 DiagnosisРOME可经鼓膜穿刺确诊,但儿童不宜推荐Р体检 Physical examination ?耳科检查?头颈检查:很重要,可发现OME易患因素,如:颅面畸形、腭裂、鼻腔和鼻咽部异常.РOM with retracted drumРOM with air-fluid level
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