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Correlations between CT scan findings and hearing thresholds in otosclerosis.

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Title: Correlations between CT scan findings and hearing thresholds in otosclerosis.
Authors: Marx, Mathieu (AUTHOR), Lagleyre, Sebastien (AUTHOR), Escudé, Bernard (AUTHOR), Demeslay, Julie (AUTHOR), Elhadi, Tarik (AUTHOR), Deguine, Olivier (AUTHOR), Fraysse, Bernard (AUTHOR)
Source: Acta Oto-Laryngologica. Apr2011, Vol. 131 Issue 4, p351-357. 7p. 2 Black and White Photographs, 2 Charts, 1 Graph.
Subjects: Analysis of variance, Audiometry, Bone conduction, Chi-squared test, Cochlea, Computer software, Hearing, Nonparametric statistics, Otosclerosis, Health outcome assessment, Statistics, Tomography, U-statistics, Data analysis, Treatment effectiveness, Retrospective studies
Abstract: Conclusion: High-resolution computed tomography (CT) scan may reveal an isolated fenestral form of otosclerosis, and an extensive form, which involves multiple foci around the otic capsule. Pre- and postoperative hearing thresholds are poorer in patients with extensive otosclerosis and their chance of overclosure is reduced by 90%. Objectives: To evaluate the relationship between CT scan extension of otosclerotic foci and hearing thresholds in the operated ear, before and after stapedotomy. Methods: A preoperative CT scan was performed in 200 patients suspected of having otosclerosis. CT scan findings were categorized as negative, isolated fenestral otosclerosis, and extensive otosclerosis. Preoperative and 2 months postoperative air-conduction (AC) and bone-conduction (BC) thresholds were collected. Results: In the operated ear, 150 CT scans (75%) revealed an isolated fenestral otosclerosis; 35 (17.5%) were classified as extensive otosclerosis. Mean preoperative BC was significantly poorer in extensive otosclerosis (30.3 dB) than in isolated fenestral otosclerosis (24.6 dB). Mean postoperative BC remained lower in extensive otosclerosis (30.3 dB) than in isolated fenestral otosclerosis (21.2 dB). An overclosure greater than 10 dB was found in 20% of isolated fenestral otoscleroses and in 2.85% of extensive otoscleroses (chi-square: 5.5; p == 0.02). [ABSTRACT FROM AUTHOR]
Copyright of Acta Oto-Laryngologica is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Correlations between CT scan findings and hearing thresholds in otosclerosis.
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  Data: <searchLink fieldCode="AR" term="%22Marx%2C+Mathieu%22">Marx, Mathieu</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lagleyre%2C+Sebastien%22">Lagleyre, Sebastien</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Escudé%2C+Bernard%22">Escudé, Bernard</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Demeslay%2C+Julie%22">Demeslay, Julie</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Elhadi%2C+Tarik%22">Elhadi, Tarik</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deguine%2C+Olivier%22">Deguine, Olivier</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fraysse%2C+Bernard%22">Fraysse, Bernard</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Acta+Oto-Laryngologica%22">Acta Oto-Laryngologica</searchLink>. Apr2011, Vol. 131 Issue 4, p351-357. 7p. 2 Black and White Photographs, 2 Charts, 1 Graph.
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  Data: <searchLink fieldCode="DE" term="%22Analysis+of+variance%22">Analysis of variance</searchLink><br /><searchLink fieldCode="DE" term="%22Audiometry%22">Audiometry</searchLink><br /><searchLink fieldCode="DE" term="%22Bone+conduction%22">Bone conduction</searchLink><br /><searchLink fieldCode="DE" term="%22Chi-squared+test%22">Chi-squared test</searchLink><br /><searchLink fieldCode="DE" term="%22Cochlea%22">Cochlea</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+software%22">Computer software</searchLink><br /><searchLink fieldCode="DE" term="%22Hearing%22">Hearing</searchLink><br /><searchLink fieldCode="DE" term="%22Nonparametric+statistics%22">Nonparametric statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Otosclerosis%22">Otosclerosis</searchLink><br /><searchLink fieldCode="DE" term="%22Health+outcome+assessment%22">Health outcome assessment</searchLink><br /><searchLink fieldCode="DE" term="%22Statistics%22">Statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Tomography%22">Tomography</searchLink><br /><searchLink fieldCode="DE" term="%22U-statistics%22">U-statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Treatment+effectiveness%22">Treatment effectiveness</searchLink><br /><searchLink fieldCode="DE" term="%22Retrospective+studies%22">Retrospective studies</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Conclusion: High-resolution computed tomography (CT) scan may reveal an isolated fenestral form of otosclerosis, and an extensive form, which involves multiple foci around the otic capsule. Pre- and postoperative hearing thresholds are poorer in patients with extensive otosclerosis and their chance of overclosure is reduced by 90%. Objectives: To evaluate the relationship between CT scan extension of otosclerotic foci and hearing thresholds in the operated ear, before and after stapedotomy. Methods: A preoperative CT scan was performed in 200 patients suspected of having otosclerosis. CT scan findings were categorized as negative, isolated fenestral otosclerosis, and extensive otosclerosis. Preoperative and 2 months postoperative air-conduction (AC) and bone-conduction (BC) thresholds were collected. Results: In the operated ear, 150 CT scans (75%) revealed an isolated fenestral otosclerosis; 35 (17.5%) were classified as extensive otosclerosis. Mean preoperative BC was significantly poorer in extensive otosclerosis (30.3 dB) than in isolated fenestral otosclerosis (24.6 dB). Mean postoperative BC remained lower in extensive otosclerosis (30.3 dB) than in isolated fenestral otosclerosis (21.2 dB). An overclosure greater than 10 dB was found in 20% of isolated fenestral otoscleroses and in 2.85% of extensive otoscleroses (chi-square: 5.5; p == 0.02). [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Acta Oto-Laryngologica is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.3109/00016489.2010.549841
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 7
        StartPage: 351
    Subjects:
      – SubjectFull: Analysis of variance
        Type: general
      – SubjectFull: Audiometry
        Type: general
      – SubjectFull: Bone conduction
        Type: general
      – SubjectFull: Chi-squared test
        Type: general
      – SubjectFull: Cochlea
        Type: general
      – SubjectFull: Computer software
        Type: general
      – SubjectFull: Hearing
        Type: general
      – SubjectFull: Nonparametric statistics
        Type: general
      – SubjectFull: Otosclerosis
        Type: general
      – SubjectFull: Health outcome assessment
        Type: general
      – SubjectFull: Statistics
        Type: general
      – SubjectFull: Tomography
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      – SubjectFull: U-statistics
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      – SubjectFull: Data analysis
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      – SubjectFull: Treatment effectiveness
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      – SubjectFull: Retrospective studies
        Type: general
    Titles:
      – TitleFull: Correlations between CT scan findings and hearing thresholds in otosclerosis.
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              Text: Apr2011
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              Y: 2011
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