Clinical outcomes after high-flex versus conventional total knee arthroplasty

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
Alisara ArirachakaranJatupon Kongtharvonskul

Abstract

To compare clinical outcomes after high-flex versus conventional total knee arthroplasty (TKA). A systematic review and meta-regression were performed to compare post-operative outcomes between the two types of prostheses. Relevant randomized controlled trials were identified from MEDLINE and Scopus up to November, 2014. Fourteen of 369 studies were eligible; 14, 7, 6, 5, 3, 12 and 7 studies were included in the pooling of maximum knee flexion, Knee Society Knee Score (KS), Knee Society Function Score (FS), Hospital for Special Surgery score (HSS), short-form (SF) physical activity score, post-operative complications (DVT, fractures, infection) and revision TKA, respectively. The high-flex TKA had 1.97° [95% confidence interval (CI) 0.37, 3.57], -0.86 (95% CI -1.65, 0.07) and -1.34 (-2.57, -0.11) higher mean maximum knee flexion, KS and FS when compared to conventional TKA. However, there were non-significant differences in HSS, SF-36 (physical), complications and revision TKA. This study suggests that there are improvements in post-operative knee range of motion and knee scores in high-flex TKA implants when compared to conventional TKA implants; however, the difference was very small and therefore might not have any clinical ...Continue Reading

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Citations

Feb 6, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·P IsmailidisH Behrend
Jan 10, 2016·The Journal of Arthroplasty·Young-Hoo KimJun-Shik Kim
Dec 15, 2015·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Ewout S VeltmanAte B Wymenga
May 20, 2015·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Roland BeckerJon Karlsson
May 31, 2018·Knee Surgery & Related Research·Young-Joon ChoiDong-Kyo Seo

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