Patellar Instability Clinical Trial
Official title:
Tro_Le_Tomy - Clinical and Functional Outcome After Lateral Trochlear Lengthening Osteotomy
The purpose of this study is to evaluate the functional and clinical outcome of this new lengthening osteotomy of the lateral trochlea in patients with patella instability, trochlear dysplasia Dejour type A or B, short lateral articular trochlea quantified by the lateral condyle index and presence of a lateral trochlear bump.
A short lateral articular trochlea leads to failure in stabilizing the patella close to full Extension of the knee. To address this type of pathology, a trochlear lengthening osteotomy was described. To date only case reports describing the clinical outcome of this new osteotomy exist and information on functional outcome regarding muscle strength and electromyography (EMG) data is lacking. The purpose of this study is to evaluate the functional and clinical outcome of this new lengthening osteotomy of the lateral trochlea in patients with patella instability, trochlear dysplasia Dejour type A or B, short lateral articular trochlea quantified by the lateral condyle index and presence of a lateral trochlear bump. ;
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