In vivo study of a medial stabilizing total knee replacement for analysis of postoperative knee stability and patient satisfactio

Not Applicable

• Conditions: M17; Gonarthrosis [arthrosis of knee]

• Registration Number: DRKS00013308
• Lead Sponsor: abor für Biomechanik & Experimentelle OrthopädieKlinik und Poliklinik für Orthopädie, Physikalische Medizin und Rehabilitation, Klinikum der Universität München, LMU München

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2017-12-05
• Study Completion: 2019-05-08
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting stopped after recruiting started
• Sex: All
• Target Recruitment: 12

Inclusion Criteria

Planned total knee arthroplasty

Exclusion Criteria

- 10 ° varus / valgus deformity
- Strong knee osteoarthritis on the healthy leg
- Disruption of the gait pattern
- Low fitness status (treadmill study)
- Language skills (German questionnaires)

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Measurement of knee stability/instability using EMG, gait parameters and knee stability scale (1-10)<br>The data are measured pre-operatively and 6, 12 and 24 weeks postoperatively according to the following tasks:<br>- 100 meter walk<br>- direction change during walking<br>- go upstairs<br>- go downstairs <br>- get up from the chair<br><br>Used muscle groups:<br>- lateral quadrizeps (vastus lateralis)<br>- medial quadrizeps (vastus medialis)<br>- lateral hamstrings (biceps femoris)<br>- lateral gastrocnemius<br>- medial hamstrings (semitendinosus)<br>- medial gastrocnemius<br>- glutaeus maximus<br>

Secondary Outcome Measures

Name	Time	Method
Patient satisfaction with three questionnaires, the Western Ontario and McMaster Universities Arthritis Index (WOMAC), the Forgotten Knee Joint Score (FJs-12), and the UCLA Activity Score.