Chronic obstructive Eustachian tube dysfunction: CT assessment with Valsalva maneuver and ETS-7 score.

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  • Additional Information
    • Source:
      Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
    • Publication Information:
      Original Publication: San Francisco, CA : Public Library of Science
    • Subject Terms:
      Ear Diseases/*pathology ; Eustachian Tube/*pathology ; Valsalva Maneuver/*physiology; Adolescent ; Adult ; Aged ; Ear Diseases/diagnostic imaging ; Ear Diseases/therapy ; Eustachian Tube/diagnostic imaging ; Female ; Humans ; Male ; Middle Aged ; Prospective Studies ; Research Design ; Tomography, X-Ray Computed
    • Abstract:
      Chronic obstructive Eustachian tube dysfunction (ETD) is a common disorder of the middle ear. In recent years, two main diagnostic tools have become available: Eustachian tube score (ETS-7) and computed tomography (CT) combined with Valsalva maneuver. The aim of this study is to evaluate the outcomes of ETS-7 and CT in a group of patients affected by middle ear atelectasis with a strong suspicion of ETD. Three males and nine females, affected by middle ear atelectasis with retraction of the TM were enrolled. Each patient underwent to Eustachian tube dysfunction evaluation adopting the ETS-7 score and a temporal bone CT with Valsalva maneuver. The ears analyzed at steady state were divided into 2 groups: ETS<7 group and ETS≥ 7 group. The same division was applied for the ears analyzed after the Valsalva maneuver: ETS<7 group and ETS≥ 7 group. ETs were categorized as "well defined" (WD) and "not defined" (ND). The results of the analysis of the ETS-7 score in all 24 ears showed that 42% presented ETS ≥7, while 58% had ETS <7, indicating a diagnosis of ETD. In the ETS<7 group after Valsalva, ET was visualized in 33% of patients. In the ETS≥7 group it was WD in 29% after the Valsalva manoeuver. In both groups the comparison between the visualization of the ET before and after the Valsalva manoeuver did not present a statistical difference. No correlation emerged between ET evaluation with CT scan during Valsalva maneuver and ETS-7 score. It confirms that there is not a gold standard for the study of ET dysfunction.
      Competing Interests: The authors have declared that no competing interests exist.
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    • Publication Date:
      Date Created: 20210302 Date Completed: 20210907 Latest Revision: 20240807
    • Publication Date:
      20240807
    • Accession Number:
      PMC7924743
    • Accession Number:
      10.1371/journal.pone.0247708
    • Accession Number:
      33651800