Does new instrumentation improve radiologic alignment of the Oxford (R) medial unicompartmental knee arthroplasty?
DC Field | Value | Language |
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dc.contributor.author | Jang, Ki-Mo | - |
dc.contributor.author | Lim, Hong Chul | - |
dc.contributor.author | Han, Seung-Beom | - |
dc.contributor.author | Jeong, Chandong | - |
dc.contributor.author | Kim, Seul-Gi | - |
dc.contributor.author | Bae, Ji-Hoon | - |
dc.date.accessioned | 2021-09-03T05:32:42Z | - |
dc.date.available | 2021-09-03T05:32:42Z | - |
dc.date.created | 2021-06-16 | - |
dc.date.issued | 2017-06 | - |
dc.identifier.issn | 0968-0160 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/83269 | - |
dc.description.abstract | Background: A new instrument system has been introduced to improve the accuracy and reproducibility of implant positioning in Oxford (R) unicompartmental knee arthroplasty (UKA). This study aimed to determine if the new instrumentation could improve postoperative implant positioning and limb alignment, and reduce the occurrence of outliers in Oxford UKA. Methods: A total of 77 cases of Oxford UKA with the new instrumentation were included. Individual matching for the conventional instrument group was performed according to age, sex, and body mass index. Postoperative radiological variables, including the hip-knee-ankle angle and the varus/valgus and flexion/extension angles of the femoral and tibial implants, were measured and compared between the new instrumentation group and the conventional group. The outliers in implant positions and postoperative complications were also compared. Results: No significant between-group differences were observed in terms of lower limb alignment and tibial implant alignment. However, statistically significant differences were identified in the varus/valgus and flexion/extension angles of the femoral implant (P = 0.01 and P < 0.001, respectively). More outliers were observed in the flexion/extension angles of the femoral and tibial implants in the new instrumentation group. Eight meniscal bearing dislocations and three lateral compartmental degenerative changes were found in the conventional group, while there were two meniscal bearing dislocations in the new instrumentation group during the study period. Conclusion: The present study did not confirm any benefit of the new instrument system in terms of postoperative limb alignment, positioning of the implant, or reducing outliers beyond the use of the conventional instruments. (C) 2017 Elsevier B.V. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.subject | MINIMALLY-INVASIVE APPROACH | - |
dc.subject | FEMORAL COMPONENT | - |
dc.subject | POLYETHYLENE WEAR | - |
dc.subject | SURVIVAL ANALYSIS | - |
dc.subject | MENISCAL BEARING | - |
dc.subject | REPLACEMENT | - |
dc.title | Does new instrumentation improve radiologic alignment of the Oxford (R) medial unicompartmental knee arthroplasty? | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Jang, Ki-Mo | - |
dc.contributor.affiliatedAuthor | Han, Seung-Beom | - |
dc.contributor.affiliatedAuthor | Bae, Ji-Hoon | - |
dc.identifier.doi | 10.1016/j.knee.2017.02.001 | - |
dc.identifier.scopusid | 2-s2.0-85015448966 | - |
dc.identifier.wosid | 000403630500020 | - |
dc.identifier.bibliographicCitation | KNEE, v.24, no.3, pp.641 - 650 | - |
dc.relation.isPartOf | KNEE | - |
dc.citation.title | KNEE | - |
dc.citation.volume | 24 | - |
dc.citation.number | 3 | - |
dc.citation.startPage | 641 | - |
dc.citation.endPage | 650 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Orthopedics | - |
dc.relation.journalResearchArea | Sport Sciences | - |
dc.relation.journalResearchArea | Surgery | - |
dc.relation.journalWebOfScienceCategory | Orthopedics | - |
dc.relation.journalWebOfScienceCategory | Sport Sciences | - |
dc.relation.journalWebOfScienceCategory | Surgery | - |
dc.subject.keywordPlus | MINIMALLY-INVASIVE APPROACH | - |
dc.subject.keywordPlus | FEMORAL COMPONENT | - |
dc.subject.keywordPlus | POLYETHYLENE WEAR | - |
dc.subject.keywordPlus | SURVIVAL ANALYSIS | - |
dc.subject.keywordPlus | MENISCAL BEARING | - |
dc.subject.keywordPlus | REPLACEMENT | - |
dc.subject.keywordAuthor | Knee | - |
dc.subject.keywordAuthor | Medial compartmental osteoarthritis | - |
dc.subject.keywordAuthor | Microplasty instrumentation | - |
dc.subject.keywordAuthor | Oxford knee replacement | - |
dc.subject.keywordAuthor | Unicompartmental knee arthroplasty | - |
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