AI Article Synopsis
- This study examines how knee flexion range of motion (ROM) shortly after total knee arthroplasty (TKA) affects the ROM achieved one year later.
- 193 patients with knee osteoarthritis were assessed for knee flexion at various intervals post-surgery, identifying cut-off values for predicting ROM success.
- Results indicate that achieving at least 85° of flexion by 5 days and 105° by 1 month post-surgery significantly correlates with reaching the desired goal of 120° at 12 months.
Article Abstract
Background: We investigate the association with knee flexion range of motion (ROM) during the acute phases and that at 12 months after total knee arthroplasty (TKA). We also clarified the cut-off ROM during the acute phases in predicting the goal of knee flexion ROM at 12 months.
Methods: In this retrospective study, 193 patients with knee osteoarthritis (female:144 patients, age:73.2 ± 7.7 years) who underwent unilateral TKA at an orthopedic clinic were recruited. They underwent assessments of knee flexion ROM at 5 days, 1 month, and 12 months after TKA. The goal of knee flexion ROM at 12 months after TKA was set at 120°. Single and logistic-regression analyses were performed with the dependent variables including the outcome of the goal of knee flexion ROM at 12 months, and the independent variables included knee flexion ROM at 5 days and 1 month, separately. We calculated the cut-off ROM at 5 days and 1 month for predicting the goal of knee flexion ROM at 12 months with receiver operating curve analysis.
Results: Knee flexion ROM at 5 days and 1 month were significantly associated with the goal of that at 12 months (p < 0.01). The cut-off ROM were 85° at 5 days and 105° at 1 month separately.
Conclusions: Our results suggest the importance of early improvement in knee flexion ROM after TKA, and that at 1 month postoperatively indicates the likelihood of achievement of the goal of knee flexion ROM at 12 months after TKA.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7814201 | PMC |
| http://dx.doi.org/10.1298/ptr.E9996 | DOI Listing |
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