Asymmetric Lack of Knee Flexion as a Symptom of DLM in Children

NCT ID: NCT04741269

Last Updated: 2025-12-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

98 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-09-01

Study Completion Date

2020-12-31

Brief Summary

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Highlighted during the clinical examination of a knee flexion asymmetry, and related to the intraoperative meniscal observations on DLM.

Search for a link between asymmetric bending defect and posterior shift in MCA-type DLM.

Analysis of all patients with symptomatic DLM.

Detailed Description

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Conditions

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Highlights a New Clinical Sign Which Point Out a Meniscus Posterior Luxation Because of a MCA-type DLM

Keywords

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discoid lateral meniscus children instability arthroscopy repair lack of flexion flexion block knee

Study Design

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Observational Model Type

OTHER

Study Time Perspective

RETROSPECTIVE

Study Groups

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Lack of knee flexion

During preoperative clinical exam, highlight of a lack of knee flexion. The lack of knee flexion consists in an asymmetric heel-bottom distance or an asymmetric goniometric measure of knee flexion.

All others characteristics are also analyzed like in group 2, as : rest of knee motion, MRI meniscus shift, arthroscopic shift

Find a link between lack of knee flexion and meniscal posterior luxation fixed

Intervention Type DIAGNOSTIC_TEST

Measure the full flexion angle of the knee using a goniometer. Measure the heel-buttom distance. All measurements are carried out in bilateral and comparative ways.

Search for the meniscal position on MRI and intraoperatively: no shift, anterior, medial, posterior shift.

Full knee flexion

During preoperative clinical exam, highlight of a lack of knee flexion. The lack of knee flexion consists in an asymmetric heel-bottom distance or an asymmetric goniometric measure of knee flexion. Patients in group 2 don't have any asymmetric full knee flexion.

All others characteristics are also analyzed like in group 2, as : rest of knee motion, MRI meniscus shift, arthroscopic shift

No interventions assigned to this group

Interventions

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Find a link between lack of knee flexion and meniscal posterior luxation fixed

Measure the full flexion angle of the knee using a goniometer. Measure the heel-buttom distance. All measurements are carried out in bilateral and comparative ways.

Search for the meniscal position on MRI and intraoperatively: no shift, anterior, medial, posterior shift.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* \< 18 yo
* Symptomatic discoid lateral meniscus

Exclusion Criteria

* Osteochondritis dissecans (OCD)
* Asymptomatic and partial DLM observed during arthroscopic exploration for other reasons
* Revision knee surgery
Minimum Eligible Age

0 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Hospices Civils de Lyon

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Nicolas CANCE, MD

Role: PRINCIPAL_INVESTIGATOR

Paediatric orthopaedic - Femme Mère Enfant Hospital (HFME)

Locations

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Paediatric orthopaedic - Femme Mère Enfant Hospital (HFME)

Lyon, , France

Site Status

Countries

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France

Other Identifiers

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69HCL20_1241

Identifier Type: -

Identifier Source: org_study_id