ArticleArthroplasty (London, England)2021
Effects of posterior tibial slope on the mid-term results of medial unicompartmental knee arthroplasty.
Article in Arthroplasty (London, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 13 citations in OpenAlex.
- The effect of mechanical axis correction on clinical outcomes after unicondylar knee arthroplasty.BMC musculoskeletal disorders · 2026Article
- Radiographic Posterior Tibial Slope Measurement in Medial Unicompartmental Knee Arthroplasty: A Retrospective Validation Study Using Digital Volume Tomography of Tibial Resectates.Journal of clinical medicine · 2026Article
- Image-based robotics enhance precision and efficiency in lateral UKA: A comparative study of 135 UKAs.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026Article
- High accuracy of component positioning and restoration of lower limb alignment using robotic medial unicompartmental knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
- Targeted adjustment of the posterior tibial slope in unicompartmental knee arthroplasty is feasible without altering the medial proximal tibial angle.Journal of experimental orthopaedics · 2025Article
- [Relationship between knee meniscus and posterior tibial slope in healthy adults and patients with anteromedial osteoarthritis in Heilongjiang province].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2025Article
- Biomechanical optimization study of posterior tilt extension stems in the repair of tibial plateau bone defects.Frontiers in bioengineering and biotechnology · 2025Article
- Medial meniscus posterior root tears with advanced osteoarthritis or subchondral insufficiency fracture are good indications for unicompartmental knee arthroplasty at a minimum 2-year follow-up.Archives of orthopaedic and trauma surgery · 2024Article
- Large Reduction in Postoperative Posterior Tibial Slope Risks Anterior Collapse of the Tibial Component in Fixed-Bearing Unicompartmental Knee Arthroplasty.Arthroplasty today · 2022Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
objectiveTo evaluate the effect of medial posterior tibial slope (PTS) on mid-term postoperative range of motion (ROM) and functional improvement of the knee after medial unicompartmental knee arthroplasty (UKA).
methodsMedical records of 113 patients who had undergone 124 medial UKAs between April 2009 through April 2014 were reviewed retrospectively. The mean follow-up lasted 7.6 years (range, 6.2-11.2 years). Collected were demographic data, including gender, age, height, weight of the patients. Anteroposterior (AP) and lateral knee radiographs of the operated knees were available in all patients. The knee function was evaluated during office follow-up or hospital stay. Meanwhile, postoperative PTS, ROM, maximal knee flexion and Hospital for Special Surgery (HSS) knee score (pre-/postoperative) of the operated side were measured and assessed. According to the size of the PTS, patients were divided into 3 groups: group 1 (<4°), group 2 (4° ~ 7°) and group 3 (>7°). The association between PTS and the knee function was investigated.
resultsIn our cohort, the average PTS was 2.7° ± 0.6° in group 1, 5.6° ± 0.9° in group 2 and 8.7° ± 1.2° in group 3. Pairwise comparisons showed significant differences among them (p < 0.01). The average maximal flexion range of postoperative knees in each group was 112.4° ± 5.6°, 116.4° ± 7.2°, and 117.5° ± 6.1°, respectively, with significant difference found between group 1 and group 2 (p < 0.05), and between group 1 and group 3 (p < 0.05). However, the gender, age, and body mass index (BMI) did not differ between three groups and there was no significant difference between groups in terms of pre-/postoperative HSS scores or postoperative knee ROM.
conclusionA mid-term follow-up showed that an appropriate PTS (4° ~ 7°) can help improve the postoperative flexion of knee. On the other hand, too small a PTS could lead to limited postoperative knee flexion. Therefore, the PTS less than 4° should be avoided during medial UKA.
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