Acoustic emissions and age-related changes of the knee

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dc.contributor.authorKhokhlova, Liudmilaen
dc.contributor.authorDimitrios-Sokratis, Komarisen
dc.contributor.authorO'Flynn, Brendanen
dc.contributor.authorTedesco, Salvatoreen
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEuropean Regional Development Funden
dc.date.accessioned2024-03-13T11:52:20Z
dc.date.available2024-03-13T11:52:20Z
dc.date.issued2023-07en
dc.description.abstractAcoustic emission (AE) monitoring is currently being widely investigated as a diagnostic tool in orthopedics, in particular for osteoarthritis (OA) diagnostics. Considering that age is one of the main risk factors for OA, investigating age-related changes in joint AEs might provide an additional incentive for further studies and consequent translation to clinical practice. The aim of this study is to investigate age-related changes in knee AE and determine AE hit definition modes as well as AE hit parameters that allow for improved age group differentiation. Knee AEs were recorded from 51 participants in two age groups (18-35 and 50-75 years old) whilst cycling with 30 and 60 rpm cadence. Two AE sensors with 15-40 kHz and 100-450 kHz frequency ranges were used, and three AE event detection modes investigated. Additionally, participants’ Knee Osteoarthritis Outcome Scores (KOOS) were recorded. Low frequency sensors (15-40kHz) and hit modes with shortened hit and peak definition times showed the potential to distinguish between age groups. Moreover, a weak correlation was found between only three parameters (AE event median duration, rise time, and signal strength) and age, indicating that changes in joint AE are most likely associated with pathological changes rather than physiological ageing within the healthy norm.Clinical Relevance— the use of AE monitoring was examined in the context of age-related changes in knee health. The study indicates the potential for knee AE monitoring to be used as a quantitative measure of pathological changes in the knee status.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationKhokhlova, L., Komaris, D.-S., O’Flynn, B. and Tedesco, S. (2023) ‘Acoustic emissions and age-related changes of the knee’, in 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), Sydney, Australia, 24-27 July, : IEEE, Available at: https://doi.org/10.1109/EMBC40787.2023.10340224en
dc.identifier.doihttps://doi.org/10.1109/EMBC40787.2023.10340224en
dc.identifier.endpage4en
dc.identifier.isbn979-8-3503-2447-1en
dc.identifier.isbn979-8-3503-2448-8en
dc.identifier.issn2694-0604en
dc.identifier.issn2375-7477en
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/15667
dc.language.isoenen
dc.publisherIEEEen
dc.relation.ispartof45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), Sydney, Australia, 24-27 July, : IEEE, Available at:en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres Programme::Phase 2/12/RC/2289-P2s/IE/INSIGHT Phase 2/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres Programme::Phase 1/16/RC/3918/IE/Confirm Centre for Smart Manufacturing/en
dc.rights© 2023. This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/en
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectPathologyen
dc.subjectTime-frequency analysisen
dc.subjectCorrelationen
dc.subjectEvent detectionen
dc.subjectAgingen
dc.subjectAcoustic emissionen
dc.subjectSensorsen
dc.subjectHumansen
dc.subjectKnee Jointen
dc.subjectKneeen
dc.subjectOsteoarthritisen
dc.subjectKneeen
dc.subjectAcousticsen
dc.subjectAgingen
dc.titleAcoustic emissions and age-related changes of the kneeen
dc.typeArticle (peer-reviewed)en
dc.typeproceedings-articleen
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