The Knee Learning Resource
The Hauser procedure used to be performed for recurrent dislocation of the patella.
In this procedure the tibial tubercle (bump on shin below the kneecap) with attached patellar tendon (tendon below the kneecap) is cut and moved medially (towards the inner aspect), but no attempt is made to move it anteriorly (further forward).
This procedure is no longer done but is included here as there are many patients still symptomatic who have this procedure in the past.
Due to the shape of the tibia, the tubercle actually shifts posteriorly, and the patella may press down more strongly than before, causing pain.
Results have shown that the Hauser operation was effective in preventing further dislocation but did not prevent the development of osteoarthritis. Also, genu recurvatum (knees that can over-straighten) has been shown to be a consequence in young people when the operation was done before the growth plate in the tibia bone had closed.
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