Academic Journal
Alterations of kinematics in knees after single versus multiple radius femoral prostheses total knee arthroplasty: a retrospective study
| العنوان: | Alterations of kinematics in knees after single versus multiple radius femoral prostheses total knee arthroplasty: a retrospective study |
|---|---|
| المؤلفون: | Mengyuan Li, Guangtao Fu, Wenhan Huang, Bofu Lin, Ruiying Zhang, Yu Zhang, Yuanchen Ma, Qiujian Zheng |
| المصدر: | BMC Musculoskeletal Disorders, Vol 21, Iss 1, Pp 1-9 (2020) |
| بيانات النشر: | BMC, 2020. |
| سنة النشر: | 2020 |
| المجموعة: | LCC:Diseases of the musculoskeletal system |
| مصطلحات موضوعية: | Total knee arthroplasty, Single radius, Multiple radius, Gait kinematics, Diseases of the musculoskeletal system, RC925-935 |
| الوصف: | Abstract Background Design modifications in prostheses may cause alterations in gait kinematics, thus influencing functional restoration of knees after total knee arthroplasty (TKA). The aim of the study was to investigate the differences in gait kinematics and clinical outcomes after single radius (SR) versus multiple radius (MR) TKA. Method The present retrospective study included 38 unilateral TKA involving 20 knees using MR design implant and 18 knees using SR design implant. Thirty-six healthy volunteers were also recruited. The mean follow-up time was 16 ± 3 months. At the end of follow-up, the 6 degrees of freedom (DOF) kinematics of knees and range of motion (ROM) were measured with a portable optical tracking system. Knee society score (KSS) and knee injury, and osteoarthritis outcome score (KOOS) were also collected. Results Patients in the SR group had significantly higher scores in activities of daily living (84.7 ± 15.9) and sports and recreation (67.5 ± 25.2) KOOS sub-score than MR group (69.9 ± 17.6, P = 0.012; 50.0 ± 20.8, P = 0.027, respectively). Significant differences were detected between MR knees and SR knees (1.82° ± 3.11° vs 4.93° ± 3.58°, P = 0.009), and MR knees and healthy knees (1.82° ± 3.11° vs 3.62° ± 3.52°, P = 0.032) in adduction/abduction ROM. The proximal/distal translation was significantly smaller in MR knees (0.58 ± 0.54 cm) compared with SR knees (1.03 ± 0.53 cm, P = 0.003) or healthy knees (0.84 ± 0.45 cm, P = 0.039). SR knees (0.24 ± 0.40 cm) had smaller translation compared with the MR group (0.54 ± 0.33 cm, P = 0.017) and control group (0.67 ± 0.36 cm, P = 0.028). No significant difference was detected in the other DOFs during the gait cycle. Significant difference was detected in extension/flexion, internal/external rotation, adduction/abduction, proximal/distal and medial/lateral among MR, SR and healthy knees. Conclusion After TKA, patients have altered gait kinematics compared with the control group. MR and SR design showed varied characteristics in 6 DOF gait kinematics, which could be the cause of the difference in functional outcome. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1471-2474 |
| Relation: | http://link.springer.com/article/10.1186/s12891-020-03425-9; https://doaj.org/toc/1471-2474 |
| DOI: | 10.1186/s12891-020-03425-9 |
| URL الوصول: | https://doaj.org/article/5035e27d7dca4f5ebf6a62d65002e6b8 |
| رقم الانضمام: | edsdoj.5035e27d7dca4f5ebf6a62d65002e6b8 |
| قاعدة البيانات: | Directory of Open Access Journals |
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