SynthesisJournal of orthopaedic surgery and research2020
Does patellofemoral osteoarthritis affect functional outcomes and survivorship after medial unicompartmental knee arthroplasty? A meta-analysis.
Synthesis in Journal of orthopaedic surgery and research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it, 24 citations in OpenAlex.
- The impact of patellofemoral joint diseases on functional outcomes and prosthesis survival in patients undergoing unicompartmental knee arthroplasty: a systematic review and meta-analysis.Journal of orthopaedic surgery and research · 2024Pooled it
- Knee Scores of Patients with Non-Lateral Compartmental Knee Osteoarthritis Undergoing Mobile, Fixed-Bearing Unicompartmental Knee and Total Knee Arthroplasties: A Randomized Controlled Trial.Orthopaedic surgery · 2022Trial
- Effect of Medial Unicompartmental Knee Arthroplasty on Clinical Outcomes and Stress Distribution of Patellofemoral Joint.Orthopaedic surgery · 2026Article
- Mid-term clinical outcomes of mobile-bearing UKA: a retrospective study on the influence of patellofemoral joint disease, lower limb alignment, and implant positioning.BMC musculoskeletal disorders · 2026Article
- Pain distribution and functional outcomes after lateral unicompartmental versus total knee arthroplasty for isolated lateral compartment osteoarthritis with anterior knee pain.Frontiers in medicine · 2026Article
- Minimum 10-year follow-up of mobile bearing medial unicompartmental arthroplasty: Does the presence of preoperative radiographic patellofemoral arthritis influence patient outcomes?Journal of clinical orthopaedics and trauma · 2025Article
- Medial fixed-bearing unicompartmental knee arthroplasty in patients with or without patellofemoral osteoarthritis: is there any difference in clinical outcomes?European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2025Article
- Association of patellofemoral osteoarthritis on patient-reported outcomes after medial unicompartmental knee arthroplasty: a retrospective cohort study.Acta orthopaedica · 2025Article
- Are relative contraindications for unicompartmental knee replacements in medial compartment osteoarthritis really contraindications?Journal of orthopaedics · 2024Article
- Unicompartmental knee replacement: controversies and technical considerations.Arthroplasty (London, England) · 2024Review
- Combined unicompartmental knee arthroplasty and anterior cruciate ligament reconstruction in a young patient with post-traumatic arthritis.BMJ case reports · 2023Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
purposeThe argument that patellofemoral osteoarthritis (PFOA) is a contraindication to unicompartmental knee arthroplasty (UKA) remains to be resolved. The purpose of this study was to perform a meta-analysis to determine whether PFOA affects functional outcomes and survivorship after medial UKA.
methodsA literature search was performed in PubMed, Medline, Cochrane Library and Web of science to identify studies published in English (the last search was updated on June 1, 2020). The primary outcome measure was the Oxford Knee Score (OKS), whereas the secondary outcomes included range of motion (ROM) and the revision rate. Patients with patellofemoral joint narrowing or cartilage lesions as assessed intraoperatively or by radiography were assigned to the PFOA group.
resultsA total of 8 studies involving 3504 patients and 3975 knees were included in this meta-analysis. No patients had a severe lateral patellar groove. The results showed that there was no significant difference in the OKS, revision rate and ROM between PFOA patients and patients without PFOA.
conclusionsNo significant difference in functional outcomes and survivorship was found between patients with and without PFOA. Patients with PFOA assessed by radiographs or intraoperatively but without a lateral patellar groove should be considered candidates for medial UKA.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.