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The relationship between post-traumatic ossicular injuries and conductive hearing loss: A 3D-CT study.
Maillot, Olivier; Attyé, Arnaud; Boutet, Claire; Boubagra, Kamel; Perolat, Romain; Zanolla, Marion; Grand, Sylvie; Schmerber, Sébastien; Krainik, Alexandre.
Afiliación
  • Maillot O; Department of Neuroradiology and MRI, Grenoble University Hospital, SFR RMN Neurosciences, Grenoble, France.
  • Attyé A; Department of Neuroradiology and MRI, Grenoble University Hospital, SFR RMN Neurosciences, Grenoble, France; University Grenoble Alpes, IRMaGe, 38000 Grenoble, France. Electronic address: aattye@chu-grenoble.fr.
  • Boutet C; Department of Radiology, Saint-Etienne University Hospital, Saint-Etienne, France.
  • Boubagra K; Department of Neuroradiology and MRI, Grenoble University Hospital, SFR RMN Neurosciences, Grenoble, France; University Grenoble Alpes, IRMaGe, 38000 Grenoble, France.
  • Perolat R; Department of Neuroradiology and MRI, Grenoble University Hospital, SFR RMN Neurosciences, Grenoble, France.
  • Zanolla M; Department of Neuroradiology and MRI, Grenoble University Hospital, SFR RMN Neurosciences, Grenoble, France.
  • Grand S; Department of Neuroradiology and MRI, Grenoble University Hospital, SFR RMN Neurosciences, Grenoble, France; University Grenoble Alpes, IRMaGe, 38000 Grenoble, France.
  • Schmerber S; Department of Otolaryngology-Head and Neck Surgery, University Hospital of Grenoble, Grenoble, France.
  • Krainik A; Department of Neuroradiology and MRI, Grenoble University Hospital, SFR RMN Neurosciences, Grenoble, France; University Grenoble Alpes, IRMaGe, 38000 Grenoble, France.
J Neuroradiol ; 44(5): 333-338, 2017 Sep.
Article en En | MEDLINE | ID: mdl-28551022
PURPOSE: After a trauma, the conductive ossicular chain may be disrupted by ossicular luxation or fracture. Recent developments in 3D-CT allow a better understanding of ossicular injuries. In this retrospective study, we compared patients with post-traumatic conductive hearing loss (CHL) with those referred without CHL to evaluate the relationship between ossicular injuries and CHL. We also assessed the added value of 3D reconstructions on 2D-CT scan to detect ossicular lesions in patients surgically managed. METHODS: The CT scans were performed using a 40-section spiral CT scanner in 49 patients with post-traumatic CHL (n=29) and without CHL (n=20). Three radiologists performed independent blind evaluations of 2D-CT and 3D reconstructions to detect ossicular chain injury. We used the t-test to explore differences regarding the number of subjects with ossicular injury in the two groups. We also estimated the diagnostic accuracy and the inter-rater agreement of the 3D-CT reconstructions associated to 2D-CT scan. RESULTS: We identified ossicular abnormality in 14 patients out of 29 and in one patient out of 20 in the CHL and non-CHL groups respectively. There was a significant difference regarding the number of subjects with ossicular lesions between the two groups (P≤0.01). The diagnostic sensitivity of 3D-CT reconstructions associated with 2D-CT ranged from 66% to 100% and the inter-reader agreement ranged from 0.85 to 1, depending of the type of lesion. CONCLUSION: The relationship between ossicular lesion and the presence of CHL tightly correlated. 3D-CT reconstructions of the temporal bone are useful to assess patients in a post-traumatic context.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tomografía Computarizada por Rayos X / Imagenología Tridimensional / Osículos del Oído / Pérdida Auditiva Conductiva Tipo de estudio: Diagnostic_studies / Observational_studies / Risk_factors_studies Límite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: J Neuroradiol Año: 2017 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Francia
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tomografía Computarizada por Rayos X / Imagenología Tridimensional / Osículos del Oído / Pérdida Auditiva Conductiva Tipo de estudio: Diagnostic_studies / Observational_studies / Risk_factors_studies Límite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: J Neuroradiol Año: 2017 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Francia