Range of motion and function are not affected by increased post constraint in patients undergoing posterior stabilized total knee arthroplasty

Bryan R. King, Brian P. Gladnick, Yuo yu Lee, Stephen Lyman, Alejandro González Della Valle

研究成果: Contribution to journalArticle査読

21 被引用数 (Scopus)

抄録

Background: Constrained primary total knee arthroplasty (TKA) can provide stability in the face of incompetent collateral structures or irreconcilable flexion-extension imbalances. However, little is known about its effect on overall knee range of motion (ROM). This study determines whether TKA with increased constraint affects postoperative ROM. Methods: Patients undergoing primary TKA using either posterior stabilized (PS) or constrained condylar knee (CCK) inserts were match-paired based on body mass index, preoperative ROM, and direction and severity of the coronal deformity, yielding 68 pairs. ROM and Knee Society Score (KSS) were obtained preoperatively and at 6. weeks, 4. months, and 1. year. Results: When the 68 matched pairs were considered, all outcome variables related to ROM between the PS and CCK groups at each of the postoperative intervals were similar. Additionally, both the individual items and combined scores of the KSS were similar between groups at all time points. Conclusions: We demonstrate that the use of increased constraint does not affect ROM, relief of pain, or function after TKA. Level of evidence: Level III (retrospective case-controlled study, based on prospectively collected data).

本文言語英語
ページ(範囲)194-198
ページ数5
ジャーナルKnee
21
1
DOI
出版ステータス出版済み - 1 1 2014
外部発表はい

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine

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