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  • Title: [Relationship between adenoids hypertrophy and tympanogram/eustachian tube function in children].
    Author: Pan H, Li L, Liang Z, Xian Z.
    Journal: Lin Chuang Er Bi Yan Hou Ke Za Zhi; 2005 Nov; 19(22):1015-6. PubMed ID: 16463762.
    Abstract:
    OBJECTIVE: To evaluate the correlation between adenoidal-nasopharyngeal ratio (AN ratio) and tympanogram/eustachian tube function in children. METHOD: A prospective clinical study from February 2004 to October 2004 was carried out. A total of 120 children with adenoids hypertrophy and 20 normal children were examined. The relationship between AN ratio and middle-ear pressure was evaluated, the eustachian tube function was compared between the children with adenoids hypertrophy and the normal. RESULT: (1) Middle ear pressures were negative related to the AN ratio (r = -0.41, P < 0.05); (2) the eustachian tube function of the children with adenoids hypertrophy was worse than the normal; (3) the relation between the eustachian tube function and the AN ratio was not statistical difference. CONCLUSION: Eustachian tube dysfunction caused by adenoids hypertrophy is the etiologic factor of secretory otitis media.
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