ArticleJournal of orthopaedics2025
Predictors of improved and decreased range of motion after medial pivot total knee arthroplasty: A multicenter retrospective analysis.
Article in Journal of orthopaedics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Factors associated with achieving knee flexion around one hundred and twenty five degrees and numerical rating scale around one at one year after posterior cruciate-retaining total knee arthroplasty.International orthopaedics · 2026Article
- Association between medial femoral resection thickness and postoperative pain after fixed-bearing unicompartmental knee arthroplasty: an exploratory cohort study.BMC musculoskeletal disorders · 2026Article
- Factors influencing good knee joint range of motion and pain-free recovery 2 years after total knee arthroplasty.Journal of orthopaedics · 2025Article
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8 authors.
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Abstract
Introduction: No study has identified predictors of improvement and decrease in postoperative range of motion (ROM) after medial pivot (MP) total knee arthroplasty (TKA) compared to preoperative ROM. This multicenter study aimed to identify predictors of improved postoperative range of motion (ROM) after MP-TKA. Methods: The study included 107 consecutive patients who underwent MP-TKA for knee osteoarthritis at six different centers. Data on patient age, gender, hip knee angle, and pre- and postoperative ROM in extension and flexion were collected. A 9° improvement or decrease in postoperative knee flexion was considered positive. Patients were divided into three groups according to whether knee flexion improved by more than 9° (group I; 35 patients), changed within the minimal clinically important difference (MCID) (group M; 54 patients), or decreased by more than 9° (group D; 18 patients) one year after surgery. Results: Significant differences in preoperative ROM for flexion were observed between the groups ( Discussion: The results showed that a preoperative knee flexion ROM of less than 118° was a significant positive predictor of an improvement in knee flexion ROM of MCID or greater after MP-TKA, and a knee flexion ROM of 128° or greater was a significant positive predictor of a decrease in knee flexion ROM of MCID or greater one year after surgery.
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