Evidence map›Paper›PMID 40773665›Full record

ArticleSICOT-J2025

The learning curve of novel implant total knee arthroplasty system in high-volume university center.

Simon Messe, Guillaume Mesnard, Hannes Vermue, Enrico Festa, Elvire Servien, Anthony Viste, Cécile Batailler, Sébastien Lustig

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in SICOT-J, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Simon MesseUniv Lyon, Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, 43 boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France - Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de la Croix Rousse, 69004 Lyon, France.
Guillaume MesnardOrthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de la Croix Rousse, 69004 Lyon, France.
Hannes VermueDepartment of Orthopaedic Surgery, Ghent University Hospital, C. Heymanslaan 10, 9000, Gent, Belgium.
Enrico FestaDepartment of Public Health, Orthopedic Unit, "Federico II" University, Via Pansini 5, 80131 Naples, Italy.
Elvire ServienOrthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de la Croix Rousse, 69004 Lyon, France - LIBM - EA 7424, Interuniversity Laboratory of Biology of Mobility, Claude Bernard Lyon 1 University, 27-29 Boulevard du 11 Novembre 1918, 69100 Villeurbanne, France.
Anthony VisteHospices Civils de Lyon, Hôpital Lyon Sud, Chirurgie Orthopédique et Traumatologique, 165 Chemin du Grand Revoyet, 69495 Pierre Bénite, France - University Lyon, Claude Bernard Lyon 1 University, Gustave Eiffel University, IFSTTAR, LBMC UMR_T9406, 25 Avenue François Mitterrand, 69675 Bron Cedex, France.
Cécile BataillerUniv Lyon, Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, 43 boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France - Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de la Croix Rousse, 69004 Lyon, France.
Sébastien LustigUniv Lyon, Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, 43 boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France - Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de la Croix Rousse, 69004 Lyon, France.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionThe learning curve associated with adopting new surgical systems in total knee arthroplasty (TKA) can significantly impact surgical efficiency and patient outcomes. This study aimed to evaluate the evolution of operative time with the KNEO

methodThis retrospective, multicentric study analyzed 481 patients who underwent primary TKA with the KNEO

resultsThe mean operative time significantly decreased from 83.5 min in the initial case to 63.0 min after 481 cases (p < 0.001). The learning curve showed an initial learning phase with high variability, followed by stabilization around 150 procedures and subsequent optimization. Postoperative complication rates showed a 31.9% reduction per group of 100 patients (β = -0.3848, p = 0.0075), indicating improved surgical proficiency and patient safety over time.

conclusionThe findings suggest that the KNEO

Indexed as

CUSUM analysisLearning curveOperative timePostoperative complicationsSurgical performanceTotal knee arthroplasty

Identifiers

PMID40773665
PMCPMC12331203

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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.