ArticleInternational orthopaedics2015
Factors affecting range of motion after total knee arthroplasty in patients with more than 120 degrees of preoperative flexion angle.
Article in International orthopaedics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Comparison of the plantar pressure distribution and mechanical alignment in patients with varus knee osteoarthritis following high tibial osteotomy.BMC musculoskeletal disorders · 2023Article
- Does contralateral knee range of motion predict postoperative knee range of motion after total knee arthroplasty?Knee surgery & related research · 2020Article
- Effectiveness of ultrasonographic skeletal muscle assessment in patients after total knee arthroplasty.Osteoporosis and sarcopenia · 2019Article
- Radiographic measurement of the posterior femoral offset is not precise.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2017Article
- Range of motion predictability after total knee arthroplasty with medial pivot prosthesis.Revista brasileira de ortopediaArticle
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe postoperative flexion angle reportedly shows a positive correlation with the preoperative flexion angle, but in some cases, the postoperative flexion angle decreases in patients with a large preoperative flexion angle. The purpose of this study was to investigate factors affecting the range of motion after total knee arthroplasty (TKA) in patients with a large preoperative flexion angle.
methodsThe study evaluated 120 knees with more than 120 degrees of preoperative flexion angle that underwent NexGen LPS-Flex mobile bearing. The groups with and without a reduction in the postoperative flexion angle were compared. Also, a logistic regression analysis was performed, where the presence or absence of a reduction in the postoperative flexion angle was the dependent variable and age, sex, body mass index (BMI), preoperative femorotibial angle (FTA), γ angle, δ angle, pre/postoperative change amount in posterior condylar offset (PCO), pre/postoperative change amount in joint line, and pre/postoperative change amount in patellar thickness were independent variables.
resultsThose with preoperative FTA of 186° or larger did not have a reduction in the postoperative flexion angle, compared with the angle of 185° or smaller. Those with δ angle of 83° or smaller also did not have a reduction in the postoperative flexion angle, compared with the angle of 84° or larger.
conclusionsOur results showed that preoperative FTA and δ angle had an impact on a reduction in the postoperative flexion angle. The installation angle of the tibial component in the sagittal plane is important.
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