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Temporal patterns of commonly used clinical outcome scales during a 5-year period after total knee arthroplasty

DC Field Value Language
dc.contributor.authorTiwari, Vivek-
dc.contributor.authorLee, Jonggeun-
dc.contributor.authorSharma, Gaurav-
dc.contributor.authorKang, Yeon Gwi-
dc.contributor.authorKim, Tae Kyun-
dc.date.accessioned2019-05-09T06:37:39Z-
dc.date.available2019-05-09T15:39:43Z-
dc.date.issued2019-03-25-
dc.identifier.citationJournal of Orthopaedics and Traumatology, 20(1):16ko_KR
dc.identifier.issn1590-9921-
dc.identifier.urihttp://hdl.handle.net/10371/153128-
dc.description.abstractBackground
It is not established beyond doubt whether improvements in functional outcome after total knee arthroplasty (TKA) are maintained in the long term. We therefore investigated the temporal patterns of functional outcome [using range of motion (ROM), American Knee Society (AKS) score, Western Ontario and McMaster Universities Arthritis Index (WOMAC) score, and 36-Item Short Form Health Survey (SF-36) score] over a 5-year period after uncomplicated TKA, and whether these patterns differed by implant type and patient age.

Materials and methods
This prospective study evaluated 138 patients who underwent unilateral TKA with either a mobile-bearing (MB) or fixed-bearing (FB) posterior-stabilized prosthesis. An independent investigator evaluated the functional outcome at five time points: preoperatively and at 6-month, 1-year, 2-year, and 5-year follow-up. Differences in functional outcomes between adjacent time points were evaluated by mixed-effect model repeat measurement (MMRM).

Results
The different functional outcome scores showed improvement till 6 months–2 years, followed by a variable decline. In patients aged ≥ 68 years with an MB implant, most of the functional outcome scores declined between 2 and 5 years after variable initial improvement till 6 months–2 years, whereas the parameters plateaued after 2 years in those aged < 68 years and in older patients with an FB implant.

Conclusions
A decline in function and pain relief occurs 2 years after TKA. This decline is more evident in older patients with an MB prosthesis. Based on these findings, we believe that use of MB implants in older patients (≥ 68 years) requires further investigation.

Level of evidence
Level 3.
ko_KR
dc.language.isoenko_KR
dc.publisherSpringer Openko_KR
dc.subjectTotal knee arthroplastyko_KR
dc.subjectFunctional outcomeko_KR
dc.subjectPatternko_KR
dc.subjectAgeko_KR
dc.subjectProsthesisko_KR
dc.titleTemporal patterns of commonly used clinical outcome scales during a 5-year period after total knee arthroplastyko_KR
dc.typeArticleko_KR
dc.contributor.AlternativeAuthor강연기-
dc.contributor.AlternativeAuthor김태균-
dc.identifier.doi10.1186/s10195-019-0520-8-
dc.language.rfc3066en-
dc.rights.holderThe Author(s)-
dc.date.updated2019-03-31T03:16:29Z-
Appears in Collections:
College of Medicine/School of Medicine (의과대학/대학원)Orthopedic Surgery (정형외과학전공)Journal Papers (저널논문_정형외과학전공)
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