Evidence map›Paper›PMID 31983043›Full record

ReviewCurrent reviews in musculoskeletal medicine2020

Recurrent Patellofemoral Instability in the Pediatric Patient: Management and Pitfalls.

Evan E Vellios, Myra Trivellas, Armin Arshi, Jennifer J Beck

Open access · bronzeAbstract readReview
PubMed Full text at PMC Publisher
In one paragraph

Review in Current reviews in musculoskeletal medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 2 pooled it
1.7field-weighted citation impact, top 17% 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

22 citing papers in PubMed, 2 syntheses or guidelines pooled it, 39 citations in OpenAlex.

  1. Medial quadriceps tendon-femoral ligament reconstruction for recurrent patellofemoral instability: a systematic review.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2026
    Pooled it
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  3. Patellofemoral Instability in the Adolescent Age Group.Indian journal of orthopaedics · 2026
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  13. Risk factors and treatment rationale for patellofemoral instability in the pediatric population.Journal of the Pediatric Orthopaedic Society of North America · 2024
    Review
  14. Article
  15. Patellofemoral Instability in the Pediatric Population.Current reviews in musculoskeletal medicine · 2023
    Review
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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

4 authors at 2 institutions in 1 country.

Evan E VelliosSports Medicine and Shoulder Service Hospital for Special Surgery, Weill Cornell Medical College, New York, NY, 10065, USA.
Myra TrivellasDepartment of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA.
Armin ArshiDepartment of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA.
Jennifer J BeckDepartment of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA. jjbeck@mednet.ucla.edu.
University of California, Los Angeles · USCornell University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purpose of reviewThe purpose of the review is to discuss the relevant pathoanatomy, management, complications, and technical considerations for recurrent patellofemoral instability (PFI) in the pediatric population. Special consideration is given to recent literature and management of the patient with repeat instability following surgery. RECENT

findingsPatellar stabilization surgery is in principle dependent upon restoration of normal patellofemoral anatomy and dynamic alignment. Historically, treatment options have been numerous and include extensor mechanism realignment, trochleoplasty, and more recently repair and/or reconstruction of the medial patellofemoral ligament (MPFL) as a dynamic check rein during initial knee flexion. In skeletally immature patients, preference is given to physeal-sparing soft tissue procedures. While medial patellofemoral ligament reconstruction has become a popular option, postoperative failure is a persistent issue with rates ranging from 5 to 30% for PFI surgery in general without any single procedure (e.g., distal realignment, MPFL reconstruction) demonstrating clear superiority. Failure of surgical patellar stabilization is broadly believed to occur for three main reasons: (1) technical failure of the primary stabilization method, (2) unaddressed static and dynamic pathoanatomy during the primary stabilization, and (3) intrinsic risk factors (e.g., collagen disorders, ligamentous laxity). PFI is a common orthopedic condition affecting the pediatric and adolescent population. Treatment of repeat instability following surgery in the PFI patient requires understanding and addressing underlying pathoanatomic risk factors as well as risks and reasons for failure.

Indexed as

Patellar dislocationPatellar instabilityPatellar stabilizationPediatricRevision patella surgerySkeletally immature

Identifiers

PMID31983043
PMCPMC7083998
OpenAlexW3001129913

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.