Analysis of the lower limb function and the quadriceps anatomy in patients after non-traumatic patella dislocation: An in-vivo study about the relationship between patello-femoral instability and resultant joint kinematiks

Analysis of the lower limb function and the quadriceps anatomy in patients after non-traumatic patella dislocation: An in-vivo study about the relationship between patello-femoral instability and resultant joint kinematiks - Patfem Instability

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00000332

Enrollment

Registered

2010-02-18

Start date

2010-03-01

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

S83.0 M22.0 M22.1 M22.2

Interventions

None listed

Eligibility

Sex/Gender

All

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Group A: - The patients have proper health insurance - Trochlea dysplasia Grade A-C - First dislocation at least 6 months before analysis - Last dislocation at least 4 weeks before analysis Group B: - The patients have proper health insurance - Trochlea dysplasia Grade A-C - MPFL reconstruction at least 12 months before analysis

Exclusion criteria

Exclusion criteria: Group A: - Surgical treatment of the patello-femoral joint - Additional pathologies of the knee, and the active and passive stabilizators Group B: - No other previous surgical intervention for the stabilization of the patello-femoral joint

Design outcomes

Primary

Measure	Time frame
Group A:The kinematics of the knee, hip, and ankle joint, as well as the resultant ground reaction foce will be measured pre-operatively, at least 4 weeks after the last dislocation, with the help of gait analysis and VICON software. Group B: The kinematics of the knee, hip, and ankle joint, as well as the resultant ground reaction foce will be measured at least 12 months post-operatively, with the help of gait analysis and VICON software	—

Measure

Time frame

Group A:The kinematics of the knee, hip, and ankle joint, as well as the resultant ground reaction foce will be measured pre-operatively, at least 4 weeks after the last dislocation, with the help of gait analysis and VICON software. Group B: The kinematics of the knee, hip, and ankle joint, as well as the resultant ground reaction foce will be measured at least 12 months post-operatively, with the help of gait analysis and VICON software

—

Secondary

Measure	Time frame
Group A: The ratio of the cross-sectional area of the vastus lateralis muscle to the vastus medialis, will be measured pre-operatively, at least 4 weeks after the last dislocation, with the help of MRI imaging of the quadriceps. Group B: The ratio of the cross-sectional area of the vastus lateralis muscle to the vastus medialis, will be measured at least 12 months post-operatively, with the help of MRI imaging of the quadriceps.	—

Measure

Time frame

Group A: The ratio of the cross-sectional area of the vastus lateralis muscle to the vastus medialis, will be measured pre-operatively, at least 4 weeks after the last dislocation, with the help of MRI imaging of the quadriceps. Group B: The ratio of the cross-sectional area of the vastus lateralis muscle to the vastus medialis, will be measured at least 12 months post-operatively, with the help of MRI imaging of the quadriceps.

—

Countries

Germany

Contacts

Public ContactTobias Oberst

Julius Wolff Institut, Charité - Universitätsmedizin Berlin Centrum für Sportwissenschaft und Sportmedizin Berlin

tobias.oberst@charite.de00493020931388

Outcome results