ArticlePloS one2018
Clinical outcomes of patients with residual medial osteophytes following mobile bearing unicompartmental knee arthroplasty.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 citations in OpenAlex.
- Comparable incidence of periprosthetic tibial fractures in cementless and cemented unicompartmental knee arthroplasty: a systematic review and meta-analysis.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2022Pooled it
- The influence of retaining osteophyte on the coronal alignment and joint line height following medial unicompartmental knee arthroplasty.Journal of orthopaedic surgery and research · 2026Article
- Unicompartmental knee arthroplasty combined with posterior cruciate ligament reconstruction: a case report.BMC musculoskeletal disorders · 2024Article
- Robot-assisted unicompartmental knee arthroplasty can reduce radiologic outliers compared to conventional techniques.PloS one · 2019Article
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Authors and funding
2 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
introductionThe surgical technique used in unicompartmental knee arthroplasty (UKA) is crucial for achieving good short and long term clinical outcomes. The medial mobile bearing UKA has shown excellent clinical outcomes and survivorship. But release of the medial collateral ligament during entering joint is cause of mobile bearing dislocation in short term outcomes and lateral compartment osteoarthritis may occur in the mid to long term outcomes. Removing all osteophytes at the time of UKA is sometime impossible due to their large size and extend to the inferior part of medial tibial plateau and removing them completely my result in release of the MCL. But no data exist on clinical outcomes in such patients.
methodsWe conducted a prospective study from 2010 to 2015 of patients undergoing mobile bearing UKA and classified them in to two groups: those with (Gp1) and without (Gp2) residual osteophytes. Osteophyte size was measured using Hernborg's technique. The primary outcomes were pain score, functional score, and knee scores and the presence of reported medial knee pain.
results176 patients who underwent 199 mobile bearing UKAs were recruited: Gp1 = 42 patients (46 knees) and Gp2 = 134 patients (153 knees). Residual osteophyte sizes ranged from 2.13-9.42 mm (mean 4.12). The mean Gp1 Gp2 pain score (49.04, 48.92, p = 0.84), functional score (83.75, 84.04, p = 0.83) and knee score (89.86, 98.7, p = 0.0.78) scores were almost identical and no one complained of medial joint pain. Followed up ranged from 2 - 7 years (mean 4.23). No patients were lost to follow up.
conclusionThe patients with residual osteophytes of length less than 9 mm had good and similar clinical outcomes as patients without residual osteophytes following mobile bearing UKA. LEVEL OF EVIDENCE: Level II-2, evidence obtained from well-designed cohort studies or case-control studies, preferably from more than one center or research group.
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