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  • Title: Panel 2: Eustachian tube, middle ear, and mastoid--anatomy, physiology, pathophysiology, and pathogenesis.
    Author: Swarts JD, Alper CM, Luntz M, Bluestone CD, Doyle WJ, Ghadiali SN, Poe DS, Takahashi H, Tideholm B.
    Journal: Otolaryngol Head Neck Surg; 2013 Apr; 148(4 Suppl):E26-36. PubMed ID: 23536530.
    Abstract:
    OBJECTIVE: This report reviews the literature to identify the advances in our understanding of the middle ear (ME)-Eustachian tube (ET) system during the past 4 years and, on that basis, to determine whether the short-term goals elaborated in the last report were achieved and propose updated goals to guide future otitis media (OM) research. DATA SOURCES: Databases searched included PubMed, Web of Science (1945-present), Medline (1950 to present), Biosis Previews (1969-present), and the Zoological Record (1978 to present). The initial literature search covered the time interval from January 2007 to June 2011, with a supplementary search completed in February 2012. REVIEW METHODS: The panel topic was subdivided; each contributor performed a literature search and provided a preliminary report. Those reports were consolidated and discussed when the panel met on June 9, 2011. At that meeting, the progress was evaluated and new short-term goals proposed. CONCLUSIONS: Progress was made on 16 of the 19 short-term goals proposed in 2007. Significant advances were made in the characterization of ME gas exchange pathways, modeling ET function, and preliminary testing of treatments for ET dysfunction. IMPLICATIONS FOR PRACTICE: In the future, imaging technologies should be developed to noninvasively assess ME/ET structure and physiology with respect to their role in OM pathogenesis. The new data derived from form/function experiments should be integrated into the finite element models and used to develop specific hypotheses concerning OM pathogenesis and persistence. Finally, rigorous studies of treatments, medical or surgical, of ET dysfunction should be undertaken.
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