M17.3
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • symptomatic varus deformity • No osteoporosis • No joint infection in history • No malignant disease • > 18 years • Written consent of the study participant • arthroscopic evaluated knee joint situation • Preoperative planning with MediCAD • Navigation only with OrthoPilot • Usage of the TomoFix or Position HTO plate • Operation technique as showed by Staubli et al.
Exclusion criteria
Exclusion criteria: • No consent of the study participant • No preoperative planning available • For clinical results: No implant removal so far
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Is there a difference between the differences planned mTFA (mechanical tibiofemoral angle) and mTFA at 18 months follow-up comparing the groups “navigation” and “non-navigation”? | — |
Secondary
| Measure | Time frame |
|---|---|
| Is there a difference in the clinical outcome (measured with different scores: Lysholm score, HSS, Lequesne, IKDC, SF-36, Tegner score, Oxford score) comparing the groups navigation vs. non-navigation, implants (TomoFix vs. POSITION HTO), aftercare (11 days PWB vs. 6 weeks PWB), surgeon (experienced vs. non-experienced) at different points of follow-up (6 months, 12 months, 18 months)? Is there a difference in the incapacity of work comparing the groups with 11 days PWB and 6 weeks PWB, measured while the 18 months follow-up? | — |
Countries
Germany
Contacts
Berufsgenossenschaftliche Unfallklinik Tübingen