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Linking Chronic Otitis Media and Nasal Obstruction: A CFD Approach.
Burgos, Manuel A; Pardo, Alejandro; Rodríguez, Rafael; Rodríguez-Balbuena, Beatriz; Castro, David; Piqueras, Francisco; Esteban, Francisco.
Afiliación
  • Burgos MA; Departamento de Ingeniería Térmica y de Fluidos, Universidad Politécnica de Cartagena, Cartagena, Spain.
  • Pardo A; Instituto Químico de Sarriá, Barcelona, Spain.
  • Rodríguez R; Hospital Universitario Virgen del Rocío, Servicio de Radiodiagnóstico, Servicio Andaluz de Salud, Sevilla, Spain.
  • Rodríguez-Balbuena B; Hospital Universitario Virgen del Rocío, Servicio de Otorrinolaringología, Universidad de Sevilla, Sevilla, Spain.
  • Castro D; Hospital Universitario Virgen del Rocío, Servicio de Otorrinolaringología, Universidad de Sevilla, Sevilla, Spain.
  • Piqueras F; Servicio de Otorrinolaringología, Hospital General Universitario Morales Meseguer, Murcia, Spain.
  • Esteban F; Hospital Universitario Virgen del Rocío, Servicio de Otorrinolaringología, Universidad de Sevilla, Sevilla, Spain.
Laryngoscope ; 132(6): 1224-1230, 2022 06.
Article en En | MEDLINE | ID: mdl-34585755
OBJECTIVES: To investigate a possible relationship between altered nasal flow and chronic otitis media (COM) using computational fluid dynamics (CFD). STUDY DESIGN: Retrospective case series. METHODS: Retrospective cohort sample of CT scans from patients with COM and controls without COM to compare the results of various nasal airflow parameters determined by CFD between a group of patients with COM (N = 60) and a control group of subjects without any evidence of ear disease (N = 81). The CT were subjected to various procedures to carry out CFD studies, determining the resistance to nasal flow, the proportion of flow through the right and left nasal cavity, and two nondimensional estimators. The results of CFD studies between patients with COM and controls were compared. RESULTS: Whereas only 12.3% of the controls had CFD alteration (10 out of 81), 43.3% of the patients suffering COM displayed alterations of our nondimensional parameters R-ϕ (26 out of 60). CONCLUSIONS: According to our results, the incidence of alterations in nasal airflow by studying with CFD is significantly higher in patients with COM than in controls. To our knowledge, this is the first article linking nasal cavity and COM using a CFD approach. Our results support the hypothesis that nasal flow alterations could be implicated in the etiopathogenesis of the COM. LEVEL OF EVIDENCE: 4 Laryngoscope, 132:1224-1230, 2022.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Otitis Media / Obstrucción Nasal Tipo de estudio: Etiology_studies / Observational_studies / Risk_factors_studies Límite: Humans Idioma: En Revista: Laryngoscope Asunto de la revista: OTORRINOLARINGOLOGIA Año: 2022 Tipo del documento: Article País de afiliación: España Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Otitis Media / Obstrucción Nasal Tipo de estudio: Etiology_studies / Observational_studies / Risk_factors_studies Límite: Humans Idioma: En Revista: Laryngoscope Asunto de la revista: OTORRINOLARINGOLOGIA Año: 2022 Tipo del documento: Article País de afiliación: España Pais de publicación: Estados Unidos