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Effects of gracilis harvest on knee kinematics, thigh muscle strength, knee joint degeneration, tendon regeneration and its subjective outcome.

Effects of gracilis harvest on knee kinematics, thigh muscle strength, knee joint degeneration, tendon regeneration and its subjective outcome. - Gracilis

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00007100
Enrollment
34
Registered
2014-11-21
Start date
2014-10-11
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

Gracilis tendon harvest. In all patients the gracilis tendon was removed to stabilize the acromioclavicular joint. M25.31

Interventions

Group 1: Patients with chronic acromioclavicular joint instability that underwent stabilisation with gracilis tendon. The following examinations will be conducted on the thigh and knee joint on which

Sponsors

Abteilung für Orthopädie and Unfallchirurgie, Medizinische Hochschule Brandenburg Theodor Fontane
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Patients where the gracilis tendon was removed during the last 7 years in our clinic due to chronic acromioclavicular joint instability Age: 18-60

Exclusion criteria

Exclusion criteria: On one or both knee joints: past operations, previous knee injuries (collateral ligament insufficiency at the time of the study, PCL-/ACL-Injuries, symptomatic III° or IV° injuries of the menisci, tibia or femur fracture), inability to perform the exercises for the gait analysis, the force measurement or the MRI (e.g. claustrophobia).

Design outcomes

Primary

MeasureTime frame
The primary outcome of this study is to draw clear conclusions on the donor-site morbidity relating to isolated gracilis tendon harvest. Therefore the following examinations will be conducted on the thigh and knee joint on which the tendon was harvested: measurement of the maximal strength on an isokinetic dynamometer, evaluation of the knee joint kinematics by a gait analysis, joint degeneration and tendon regeneration via MRI, the subjective outcome using standardized questionnaires (IKDC-2000, KOOS, Lysholm, Marx, SF-36) as well as a clinical knee examination. The contralateral uninjured limb represents the control group.

Countries

Germany

Contacts

Public ContactSebastian Kopf

Abteilung für Orthopädie und Unfallchirurgie, Medizinische Hochschule Brandenburg Theodor Fontane

sebastian.kopf@protonmail.com+49 1636313138

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026