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  • Title: [The exploration of TTAG method in determinating the states of eustachian tube function of healthy group].
    Author: Zhan Y, Tan S, Tang A.
    Journal: Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi; 2009 Oct; 23(19):869-71. PubMed ID: 20120869.
    Abstract:
    OBJECTIVE: To explore the feasibility and validity of tubo-tymanoaerodynamicgraphy (TTAG) determinating the Eustachian tube function of health adult group. METHOD: The ventilation function of Eustachian tube was measured by the TTAG method in health adult group (132 ears), the results and the graphs were also analyzed. RESULT: The positive rate in health adult group using Valsalva method was 93.93% (124/132). The positive ears were divided into type I and type II, the mean value of nasopharynx press of type I and II has no significant differences (P>0.05), but the mean value of external auditory canal press had significant differences (P<0.01). CONCLUSION: TTAG method has the clinical value in determinating the states of Eustachian tube function of health group.
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