ArticlePloS one2019
Robot-assisted unicompartmental knee arthroplasty can reduce radiologic outliers compared to conventional techniques.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 3 of them syntheses 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
20 citing papers in PubMed, 3 syntheses or guidelines pooled it, 35 citations in OpenAlex.
- Comparison of MAKO robotic-assisted and manual unicompartmental knee arthroplasty: a meta-analysis of radiographic precision and short-term functional results.Journal of robotic surgery · 2026Pooled it
- Robotic-Assisted unicompartmental knee arthroplasty restores native joint line height and reduces alignment outliers.International orthopaedics · 2025Pooled it
- Robotic arm-assisted versus manual unicompartmental knee arthroplasty : a systematic review and meta-analysis of the MAKO robotic system.The bone & joint journal · 2022Pooled it
- Platform-specific learning curve and early tibial radiographic agreement of ROSAArchives of orthopaedic and trauma surgery · 2026Article
- Mako robot-assisted unicompartmental knee arthroplasty mitigates the impact of surgeon handedness.Journal of robotic surgery · 2026Article
- NATON robotic-assisted unicompartmental knee arthroplasty achieves superior radiological alignment and comparable one-year functional outcomes to conventional surgery.Scientific reports · 2026Article
- The 'over-the-top' technique allows for accurate and reproducible restoration of the native tibial slope in kinematically aligned total knee arthroplasty: A retrospective comparative analysis from the FP-UCBM Knee Study Group.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
- Image-Based Robotic Unicompartmental Knee Arthroplasty Results in Fewer Radiologic Outliers with No Impact on Revision Rates Compared to Imageless Systems: A Systematic Review.Journal of clinical medicine · 2025Review
- Early clinical outcomes of Naton robotic-assisted medial unicompartmental knee arthroplasty.International orthopaedics · 2025Article
- 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
- Article
- Robotic-Assisted Medial Unicompartmental Knee Arthroplasty Provides Better FJS-12 Score and Lower Mid-Term Complication Rates Compared to Conventional Implantation: A Systematic Review and Meta-Analysis.Journal of personalized medicine · 2024Review
- Does patient-specific instrument or robot improve imaging and functional outcomes in unicompartmental knee arthroplasty? A bayesian analysis.Archives of orthopaedic and trauma surgery · 2024Article
- Factors predicting lower limb alignment after Oxford medial unicompartmental knee arthroplasty.Scientific reports · 2024Article
- Robotic-assisted foot and ankle surgery: a review of the present status and the future.Biomedical engineering letters · 2023Review
- Robotic Versus Conventional Unicompartmental Knee Surgery: A Comprehensive Systematic Review and Meta-Analysis.Cureus · 2023Review
- Setting the Tibial Component Rotation Based on Femoral Landmarks Allows Congruent Knee Kinematics in Robotic-Assisted Medial Unicompartmental Knee Replacement.Journal of personalized medicine · 2023Article
- Difference between medial and lateral tibia plateau in the coronal plane: importance of preoperative evaluation for medial unicompartmental knee arthroplasty.BMC musculoskeletal disorders · 2022Article
- Posterior condylar offset and posterior tibial slope targets to optimize knee flexion after unicompartmental knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2022Article
- Global research status and trends of UKA for knee osteoarthritis: a bibliometric analysis.Arthroplasty (London, England) · 2020Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe aim of this study was to compare the clinical and radiologic outcomes of robot-assisted unicompartmental knee arthroplasty (UKA) to those of conventional UKA in Asian patients.
methodsFifty-five patients underwent robot-assisted UKA and 57 patients underwent conventional UKA were assessed in this study. Preoperative and postoperative range of motion (ROM), American Knee Society (AKS) score, Western Ontario McMaster University Osteoarthritis Index scale score (WOMAC), and patellofemoral (PF) score values were compared between the two groups. The mechanical femorotibial angle (mFTA) and Kennedy zone were also measured. Coronal alignments of the femoral and tibial components and posterior slopes of the tibial component were compared. Additionally, polyethylene (PE) liner thicknesses were compared.
resultsThere was no significant difference between the two groups regarding postoperative ROM, AKS, WOMAC and PF score. Robot group showed fewer radiologic outliers in terms of mFTA and coronal alignment of tibial and femoral components (p = 0.022, 0.037, 0.003). The two groups showed significantly different PE liner thicknesses (8.4 ± 0.8 versus 8.8 ± 0.9, p = 0.035). Robot group was the only influencing factor for reducing radiologic outlier (postoperative mFTA) in multivariate model (odds ratio: 2.833, p = 0.037).
conclusionIn this study, robot-assisted UKA had many advantages over conventional UKA, such as its ability to achieve precise implant insertion and reduce radiologic outliers. Although the clinical outcomes of robot-assisted UKA over a short-term follow-up period were not significantly different compared to those of conventional UKA, longer follow-up period is needed to determine whether the improved radiologic accuracy of the components in robotic-assisted UKA will lead to better clinical outcomes and improved long-term survival.
Indexed as
Identifiers
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.