Evidence map›Paper›PMID 39540019›Full record

ArticleJournal of experimental orthopaedics2024

The location of the centre of the proximal quadriceps tendon in kinematically aligned total knee arthroplasty is not associated with poor outcome scores or symptomatic patellar instability.

Daniel Razick, Muzammil Akhtar, Stephen M Howell, Alexander J Nedopil, Maury L Hull

Abstract read
In one paragraph

Article in Journal of experimental orthopaedics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 2 pooled it
–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

5 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Review
  4. Review
  5. 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

5 authors.

Daniel RazickCollege of Medicine California Northstate University Elk Grove California USA.ORCID 0009-0000-5745-161X
Muzammil AkhtarCollege of Medicine California Northstate University Elk Grove California USA.
Stephen M HowellDepartment of Biomedical Engineering University of California Davis California USA.
Alexander J NedopilOrthopädische Klinik König-Ludwig-Haus Lehrstuhl für Orthopädie der Universität Würzburg Würzburg Germany.
Maury L HullDepartment of Biomedical Engineering University of California Davis California USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: A previous study on osteoarthritic knees found that the average position of the centre of the proximal quadriceps tendon (PQT) was 9 mm lateral from the native trochlear groove. In patients with lateral patellar facet osteoarthritis, which indicates patellofemoral instability, the average location was 21 mm. The researchers suggested that a position more lateral than 20 mm might lead to poor outcomes after kinematically aligned total knee arthroplasty (KA TKA)-the current study aimed to test this hypothesis. Methods: The study involved all patients ( Results: The mean location of the PQT was 11 ± 8 mm (range, -2 medial to 36 mm lateral), with 16% ( Conclusion: Even though 16% of patients with a KA TKA had a more lateral location than 20 mm, there is no reason to measure the centre of the PQT relative to the distal prosthetic groove. This is because the location did not show any association with the 2-year FJS and OKS nor had any patient experienced patellofemoral instability. Level of Evidence: IV.

Indexed as

kinematicsoutcomespatellofemoral jointquadriceps line of pulltendontrochlea

Identifiers

PMID39540019
PMCPMC11558114

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Registered trials

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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.