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Effects of the fibers distribution in the human eardrum: A biomechanical study

2016Journal article Open access
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dc.contributor.authorGentil, Fernanda
dc.contributor.authorParente, Marco
dc.contributor.authorMartins, Pedro
dc.contributor.authorGarbe, Carolina
dc.contributor.authorSantos, Carla
dc.contributor.authorAreias, Bruno
dc.contributor.authorBranco, Carla
dc.contributor.authorPaço, João
dc.contributor.authorJorge, Renato Natal
dc.date.accessioned2019-07-01T15:42:21Z
dc.date.available2019-07-01T15:42:21Z
dc.date.issued2016
dc.description.abstractThe eardrum separates the external ear from the middle ear and it is responsible to convert the acoustical energy into mechanical energy. It is divided by pars tensa and pars flaccida. The aim of this work is to analyze the susceptibility of the four quadrants of the pars tensa under negative pressure, to different lamina propria fibers distribution. The development of associated ear pathology, in particular the formation of retraction pockets, is also evaluated. To analyze these effects, a computational biomechanical model of the tympano-ossicular chain was constructed using computerized tomography images and based on the finite element method. Three fibers distributions in the eardrum middle layer were compared: case 1 (eardrum with a circular band of fibers surrounding all quadrants equally), case 2 (eardrum with a circular band of fibers that decreases in thickness in posterior quadrants), case 3 (eardrum without circular fibers in the posterior/superior quadrant). A static analysis was performed by applying approximately 3000Pa in the eardrum. The pars tensa of the eardrum was divided in four quadrants and the displacement of a central point of each quadrant analyzed. The largest displacements of the eardrum were obtained for the eardrum without circular fibers in the posterior/superior quadrant.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGentil, F., Parente, M., Martins, P., Garbe, C., Santos, C., Areias, B., Branco, C., Paço, J., & Jorge, R. N. (2016). Effects of the fibers distribution in the human eardrum: A biomechanical study. Journal of Biomechanics, 49(9), 1518–1523. https://doi.org/10.1016/j.jbiomech.2016.03.030
dc.identifier.doi10.1016/j.jbiomech.2016.03.030pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/14203
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationANÁLISE MULTI-ESCALA DO COMPORTAMENTO BIOMECÂNICO DOS TECIDOS DA CAVIDADE PÉLVICA FEMININA
dc.relationNumerical simulation of the vestibular system: biomechanics applied to rehabilitation
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0021929016303360?via%3Dihubpt_PT
dc.subjectBiomechanical Phenomenapt_PT
dc.subjectFinite element methodpt_PT
dc.subjectModels, Biologicalpt_PT
dc.subjectPressurept_PT
dc.subjectMechanical Phenomenapt_PT
dc.subjectTympanic Membranept_PT
dc.titleEffects of the fibers distribution in the human eardrum: A biomechanical studypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleANÁLISE MULTI-ESCALA DO COMPORTAMENTO BIOMECÂNICO DOS TECIDOS DA CAVIDADE PÉLVICA FEMININA
oaire.awardTitleNumerical simulation of the vestibular system: biomechanics applied to rehabilitation
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FEMS%2F50022%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F71080%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F108292%2F2015/PT
oaire.citation.endPage1523pt_PT
oaire.citation.issue9pt_PT
oaire.citation.startPage1518pt_PT
oaire.citation.titleJournal of Biomechanicspt_PT
oaire.citation.volume49pt_PT
oaire.fundingStream5876
person.familyNameGentil Costa
person.givenNameMaria Fernanda
person.identifier.ciencia-id8A1B-AB35-07A4
person.identifier.orcid0000-0002-6521-3475
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationa322f388-4cfc-4430-ae6f-ba10bf53758f
relation.isAuthorOfPublication.latestForDiscoverya322f388-4cfc-4430-ae6f-ba10bf53758f
relation.isProjectOfPublication6eff9af6-df17-4480-80c1-42187e287689
relation.isProjectOfPublication035b0ed4-4853-4fe1-af03-80ed4024b370
relation.isProjectOfPublicatione31b069c-8729-495e-ba81-829bcd693c96
relation.isProjectOfPublication.latestForDiscovery6eff9af6-df17-4480-80c1-42187e287689

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