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Anterior femoral cut in total knee arthroplasty: a classification proposal

dc.contributor.authorMedeiros, Filipe
dc.contributor.authorDuarte, António
dc.contributor.authorCorreia, Bruno
dc.contributor.authorCarvalho, Maria
dc.contributor.authorVide, João
dc.contributor.authorFontes, Ana Paula
dc.contributor.authorSousa, João Paulo
dc.date.accessioned2022-07-21T10:26:39Z
dc.date.available2022-07-21T10:26:39Z
dc.date.issued2019-12-24
dc.date.updated2022-07-20T16:54:38Z
dc.description.abstractBackground: The cut of the anterior femur (CAF) sets the rotation of the femoral component, which could affect patellar tracking, and influence the clinical results on total knee arthroplasty (TKA). The aim of this study was to suggest a classification for anterior femoral cut in TKA. Methods: Images of anterior femoral cuts were aggregated in different shapes and defined a classification. Onehundred femoral image’s cuts were analysed by 5 orthopaedic surgeons, which classified them twice. To analyse inter and intra-observer agreement, the Fleiss Kappa test was used. Results: The study proposes the following CAF classification, type 1 (one peak) and type 2 (two peaks); subtypes 1 (a) a central base peak, 1 (b) a lateral base peak, 2 (a) two peaks where the smallest is in the lower half, and 2 (b) two peaks where the smallest is in the upper half. In our study, type 2 (a) was the most common type (54.5%), followed by type 1 (b). The analysis showed good intra- and inter-observer agreements (mean K of 0.774 and 0.627, respectively). The intra and inter-observer concordance was statistically significant in all the analyses. Conclusions: The CAF classification system for TKA is considered a reproducible classification. To our knowledge, there is no study describing a shape’s classification of this cut. A slight rotation of the femoral cutting guide could change the axial rotation and positioning of the femoral component. An undesirable cut could lead to different patellofemoral offset and could consequently cause anterior pain and instability.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.18203/issn.2455-4510.intjresorthop20195792pt_PT
dc.identifier.issn2455-4510
dc.identifier.slugcv-prod-2485444
dc.identifier.urihttp://hdl.handle.net/10400.1/18052
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMedip Academypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectTotal knee arthroplastypt_PT
dc.subjectTotal knee replacementpt_PT
dc.subjectCut of anterior femurpt_PT
dc.titleAnterior femoral cut in total knee arthroplasty: a classification proposalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage11pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage7pt_PT
oaire.citation.titleInternational Journal of Research in Orthopaedicspt_PT
oaire.citation.volume6pt_PT
person.familyNamede Almeida Fontes
person.givenNameAna Paula
person.identifier.ciencia-id6E12-B4BA-87AF
person.identifier.orcid0000-0002-4431-5229
rcaap.cv.cienciaid6E12-B4BA-87AF | Ana Paula de Almeida Fontes
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication00fe72a3-c82a-4726-bd5d-efeb7fb59650
relation.isAuthorOfPublication.latestForDiscovery00fe72a3-c82a-4726-bd5d-efeb7fb59650

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