Evidence map›Paper›PMID 30721343›Full record

ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2019

Early outcomes of an anatomic trochlear-cutting patellofemoral arthroplasty: patient selection is key.

David Dejour, Mo Saffarini, Yves Malemo, Marco Pungitore, Jeremy Valluy, Luca Nover, Guillaume Demey

Abstract read
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In one paragraph

Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 27% of its field
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

7 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.

  1. Pooled it
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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

7 authors at 3 institutions in 3 countries.

David DejourRamsay Général de Santé, Lyon-Ortho-Clinic, Clinique de la Sauvegarde, 29 avenue des Sources, 69009, Lyon, France.
Mo SaffariniReSurg SA, Chemin de Vuarpilliere 35, 1260, Nyon, Switzerland. journals@resurg.eu.ORCID http://orcid.org/0000-0002-9656-987X
Yves MalemoRamsay Général de Santé, Lyon-Ortho-Clinic, Clinique de la Sauvegarde, 29 avenue des Sources, 69009, Lyon, France.
Marco PungitoreRamsay Général de Santé, Lyon-Ortho-Clinic, Clinique de la Sauvegarde, 29 avenue des Sources, 69009, Lyon, France.
Jeremy ValluyReSurg SA, Chemin de Vuarpilliere 35, 1260, Nyon, Switzerland.
Luca NoverReSurg SA, Chemin de Vuarpilliere 35, 1260, Nyon, Switzerland.
Guillaume DemeyRamsay Général de Santé, Lyon-Ortho-Clinic, Clinique de la Sauvegarde, 29 avenue des Sources, 69009, Lyon, France.
Générale de Santé · FRFederal Roads Office · CHCégep de Jonquière · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe purpose of this study was to report outcomes of a recent anatomic trochlear-cutting patellofemoral arthroplasty (PFA) system at > 3 years. The hypothesis was that its functional scores and revision rates would be at least equivalent to those reported for other 'trochlear-cutting' implants in the literature.

methodsTwenty-eight consecutive patients that had received PFA using the same anatomic trochlear-cutting implant (KneeTech PFJ, Corin-Tornier, Montbonnot, France) with a dome-shaped patellar button and had systematic lateral facetectomy without lateral release were enrolled. Radiographic parameters collected pre-operatively included: trochlear dysplasia type and patellar height, TT-TG, patellar tilt and shape. Clinical scores collected pre-operatively and at > 3 years included: Oxford Knee Score (OKS) and Knee Society Score (KSS).

resultsThe initial cohort comprised 23 women (82%) and five men (18%), aged 63.3 ± 14.7 years, of which 23 had trochlear dysplasia (82%). One patient (4%) could not be reached, and three (11%) were revised to TKA due to arthritic progression, aged 77, 80 and 83 years at index operation, only one of which had trochlear dysplasia (type A). At final follow-up, none of the remaining 24 patients had complications; their OKS was 35.0 ± 10.3 and KSS symptoms and function were 19.8 ± 5.0 and 71.7 ± 13.6.

conclusionThe anatomic trochlear-cutting PFA granted satisfactory scores and prevented mechanical complications, but the high incidence of early revisions, all due to spread of arthritis hence to improper patient selection. PFA should be restricted to patients with trochlear dysplasia, in whom arthritis was triggered by patellar instability and maltracking rather than degenerative or age-related diseases. STUDY

designRetrospective case series, Level IV.

Indexed as

Knee ProsthesisAdultAgedAged, 80 and overAnimalsArthroplastyArthroplasty, Replacement, KneeDisease ProgressionFemaleHumansJoint InstabilityKnee JointMaleMiddle AgedPatellaPatellofemoral JointPatellofemoral arthritisPatellofemoral arthroplastyPatient selectionPFATrochlear dysplasia

Identifiers

PMID30721343
OpenAlexW2911493798

What OpenQuestion holds

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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.