Tibial Tubercle Osteotomy in Patello-femoral Instability and in Patellar Height Abnormality

Overview

Journal Int Orthop

Specialty Orthopedics

Date 2010 Jan 13

PMID 20066411

Citations 75

Authors

Jacques H Caton

David Dejour

Affiliations

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Abstract

The aim of this study was to present the different surgical procedures of tibial tubercle osteotomies for patellar instability or patellar mispositioning such as patella alta or patella infera. This study analysed the Caton-Deschamps index used for assessment of vertical patella height in order to make a precise plan for tibial tuberosity osteotomies. This study included 61 knees (50 patients) treated for patellar instability with patella alta and 24 patients treated for patella infera of mechanical origin. The results of medial transfer of the tibial tuberosity, with or without distal transfer in cases of patellar instability with patella alta, gives excellent results for stability in 76.8% of the cases. The results of the proximal transfer of the tibial tuberosity in cases of patella infera were excellent or good in 80% of the cases in our series of 24 patients. A precise preoperative plan is needed with determination of the vertical patellar height using the Caton-Deschamps index and the situation of the tibial tuberosity and the Tibial Tubercle to Trochlear Groove distance (TT-TG) of the knee on CT scan in order to obtain satisfactory results.

Citing Articles

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Combining tibial tubercle osteotomy with medial patellofemoral ligament reconstruction often yields better outcomes in treating patellofemoral instability: a systematic review and meta-analysis of case-control studies.

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Tibial Tubercle Osteotomy: Indications, Outcomes, and Complications.

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