SHould You TransFer the Tubercle?
A Randomized Clinical Pilot Trial Comparing Isolated Medial Patellofemoral Ligament Reconstruction to Medial Patellofemoral Ligament Reconstruction Combined with Tibial Tubercle Osteotomy: SHould You TransFer the Tubercle (SHYFT)?
Banff Sport Medicine Foundation
32 participants
Sep 1, 2023
INTERVENTIONAL
Conditions
Summary
The aim of this study is to investigate the role of tibial tubercle osteotomy (TTO) on the subjective and objective outcomes following medial patellofemoral ligament reconstruction (MPFL-R) in patients with an increased tibial tubercle-trochlear groove (TT-TG) distance with or without patella alta. This Pilot RCT will assess the feasibility of conducting this study for: 1. The ability to recruit study patients 2. Adherence to the study protocol 3. Completion rates of patient follow-up at a minimum of 12 months post-operative
Eligibility
Inclusion Criteria4
- Age 13-30 years
- Symptomatic recurrent lateral patellofemoral instability
- TT-TG ≥15mm measured on MRI or ≥18mm on CT scan
- Closed physes (confirmed on knee x-rays)
Exclusion Criteria8
- Caton-Deschamps ratio ≥ 1.4 on lateral radiographs
- Femoral anteversion ≥ 25 degrees on diagnostic imaging rotational profile
- Tibial external rotation ≥ 45 degrees on diagnostic imaging rotational profile
- High-grade trochlear dysplasia requiring trochleoplasty
- Significant osteoarthritis on skyline plain imaging (Kellgren Lawrence grade ≥ 2)
- A chondral lesion of the patellofemoral joint that is undergoing a cartilage restoration procedure.
- Unable to complete computer-based outcome questionnaires
- Pregnant (at time of surgery)
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Interventions
Medial patellofemoral ligament reconstruction
Tibial tubercle osteotomy
Locations(1)
View Full Details on ClinicalTrials.gov
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NCT05759039