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Does patient-specific instrumentation in primary total knee arthroplasty improve long-term satisfaction or function? A randomized trial with a 9-year follow-up

2024-04-29Journal article Open access
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dc.contributor.authorCaldeira-Dantas, Sofia
dc.contributor.authorGonçalves, Marta
dc.contributor.authorVaz-Pinto, Gonçalo
dc.contributor.authorDias, Pedro
dc.contributor.authorMarreiros, Ana
dc.contributor.authorde Almeida Fontes, Ana Paula
dc.contributor.authorSousa, João P.
dc.date.accessioned2024-11-11T13:34:53Z
dc.date.available2024-11-11T13:34:53Z
dc.date.issued2024-04-29en_US
dc.date.updated2024-11-10T17:28:18Z
dc.description.abstractBackground: Patient-specific instrumentation (PSI) aims to increase the accuracy of total knee arthroplasty (TKA). However, the long-term benefit compared to conventional instrumentation (CI), is still controversial. This randomized controlled trial compares the long-term outcomes between PSI and CI in TKA. Methods: Patients submitted to PSI or CI TKA with a minimum follow-up of 8 years were evaluated. Satisfaction levels, forgotten joint score (FJS) and Western Ontario and McMaster university osteoarthritis index (WOMAC) scores were compared. Regarding descriptive statistics, mean, standard deviation and frequencies were obtained. For inferential statistics we used the t test for independent samples the Mann-Whitney test and the Wilcoxon Test. Results: A total of 50 TKA were included (48% CI; 52% PSI) with an average follow-up time of 9.3 years. At the final follow-up the WOMAC score was similar between groups (p=0.846; CI:26.8±22.5; PSI:26.8±25.3). Similarly, no differences were seen for the FJS (p=0.785; CI:59.6±35.1; PSI:57.1±36.2) or satisfaction (p=0.486; CI:8.1±2.8; PSI:9.1±1.4). However, at the final follow-up, the total WOMAC score had worse results when compared to the previous evaluations (p=0.013 for CI group; p=0.009 for PSI group). No significant differences in the satisfaction levels were detected regarding the initial and final evaluations (p=0.581 for CI group; p=0.936 for PSI group). Conclusions: Nine years after TKA, PSI and CI patients reported similar levels of satisfaction and functioning. Both groups achieved similar results concerning the WOMAC, FJS scores and satisfaction levels. This study suggests that long-term satisfaction and functioning levels are similar in both PSI and CI.eng
dc.description.versionN/A
dc.identifier.doi10.18203/issn.2455-4510.intjresorthop20241104en_US
dc.identifier.issn2455-4510en_US
dc.identifier.slugcv-prod-4192334
dc.identifier.urihttp://hdl.handle.net/10400.1/26244
dc.language.isoeng
dc.peerreviewedyes
dc.publisherOrthopaedic Research Society
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectTKA
dc.subjectCI
dc.subjectPSI
dc.subjectPatient satisfaction
dc.titleDoes patient-specific instrumentation in primary total knee arthroplasty improve long-term satisfaction or function? A randomized trial with a 9-year follow-upeng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage539
oaire.citation.issue3en_US
oaire.citation.startPage534
oaire.citation.titleInternational Journal of Research in Orthopaedicsen_US
oaire.citation.volume10en_US
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMarreiros
person.familyNamede Almeida Fontes
person.givenNameAna
person.givenNameAna Paula
person.identifier.ciencia-id9A12-9450-7051
person.identifier.ciencia-id6E12-B4BA-87AF
person.identifier.orcid0000-0001-9410-4772
person.identifier.orcid0000-0002-4431-5229
person.identifier.scopus-author-id57194785077
rcaap.cv.cienciaid6E12-B4BA-87AF | Ana Paula de Almeida Fontes
rcaap.rightsopenAccessen_US
relation.isAuthorOfPublicationc0a8e5da-26ae-42a8-ab04-fa4df4356375
relation.isAuthorOfPublication00fe72a3-c82a-4726-bd5d-efeb7fb59650
relation.isAuthorOfPublication.latestForDiscovery00fe72a3-c82a-4726-bd5d-efeb7fb59650

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