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- W2028936028 abstract "Background: Patellofemoral replacements are used to treat isolated patellofemoral arthritis in carefully selected patients. The Kinematch® custom-designed implant is placed directly on subchondral bone, leading critics of the device to believe that this results in overstuffing and limitation of flexion in cases of trochlear dysplasia; the current study aims to evaluate this premise.Methods: A retrospective analysis of a consecutive series of 24 patients (32 knees) was conducted. Trochlear dysplasia was evaluated using pre-operative axial CT scans, and knees were categorized as having minimal or moderate/severe dysplasia (moderate = flat trochlea, severe = convex trochlea). The primary outcome was post-operative knee flexion.Results: There was no statistical or clinical difference in post-operative knee flexion between the minimal (120°+12) and the moderate/severe dysplasia (117°+9) groups (p=.34). Conclusions: Use of the Kinematch® patient-specific custom trochlear component does not significantly limit flexion in cases of trochlear dysplasia, and although the surgeon has the ability to deepen the trochlea by way of the pre-operative model, this is not necessary. Keywords: Patellofemoral replacement; custom; flexion; trochlear dysplasiaLevel of Evidence: III, Case-control study" @default.
- W2028936028 created "2016-06-24" @default.
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- W2028936028 date "2014-03-31" @default.
- W2028936028 modified "2023-09-24" @default.
- W2028936028 title "Does the Kinematch® Prosthesis Impair Knee Flexion in Patients with Trochlear Dysplasia?" @default.
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- W2028936028 doi "https://doi.org/10.15438/rr.v4i1.58" @default.
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