The traumatic factor plays a prominent rôle in this condition. Two types of cases are noted: (1) the. Academic Surgeons. Upstate Orthopedics, LLP – Upstate Medical University Department of Orthopedic Surgery in Syracuse, NY is seeking a BC/BE Surgeons in. Habitual dislocation of patella – surgical technique. Habitual Dislocation Patella a surgical case summary Vinod Naneria Girish Yeotikar Arjun.

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However it may present in childhood with dysfunction and instability. This is an open access article distributed under the terms of the Pstella Commons Attribution Non-Commercial License http: Weight bearing was gradually permitted and complete weight bearing was allowed at hahitual 3 rd postoperative month. This case was original because of the habitual dislocation and of the excellent functional results obtained after simple surgery and a short postoperative follow-up.

In a study of 14 patients Drez et al.

The lateral retinaculum was thickened while the medial retinaculum was thinned. J Bone Joint Surg. Permanent patellar dislocation, either congenital or acquired, is diagnosed at an early age in childhood and numerous surgical techniques have been introduced for its treatment.

Four months after surgery the patient has begun working normally. However, it has been known that combined procedures, not one single procedure, should be performed to achieve relatively satisfying treatment results.

If full flexion is still not possible, either the vastus intermedius tendon requires division or the tendon of rectus femoris needs elongation. Second look arthroscopy performed after 1 year dislocqtion surgery showed no obvious deterioration of the patellar cartilage. Therefore, a reconstruction using a medial patellofemoral ligament allograft was not habital necessary and the reduction was maintained at the follow-up examination.


Total knee arthroplasty in a patient with congenital dislocation of the patella: Proximal realignment includes lateral release, reconstruction of the MPFL habitial quadriceps plasty. They found that vastus medialis was so deficient that muscle advancement was not possible.

Treatment of habitual dislocation of patella in an adult arthritic knee

In the radiographic examination, the congruence angle, sulcus angle, Q-angle, and Insall-salvati Ratio was View at Google Scholar T. In our case, we have done medial patello-femoral ligament reconstruction using semi-tendinosus disocation.

They are broadly classified into proximal and distal realignment procedures or bone and soft tissue realignment procedures.

Once the knee joint flexion starts, patella tends to dislocate laterally. Dislocation did not recur at 27 months after surgery.

Case Reports in Orthopedics

There was no associated leg dysplasia. This is followed by complete dissection of vastus lateralis from its attachment to the patella and the lateral side of rectus femoris. Total knee arthroplasty in bilateral congenital dislocation of the patella: Habitual or recurrent dislocation of the patella is common in children unlike adults. He noted that in recurrent dislocation, the medial stabilization of the patella was poor because of weakness of the vastus medialis, dysplasia, generalized joint laxity, or post traumatic medial capsular laxity.

They recommended that distal procedures alone are certain to fail, and if the procedure involves distal advancement of the tibial tendon the condition will actually be made worse.

He did remember neither precise diagnosis nor functional or surgical previous treatment. When patella or femoral patelal show severe degenerative changes, patellectomy is advocated Macnab, MPFL reconstruction alone seems effective in habitual posttraumatic patellar patellw in adults without any associated bone anomalies.

When patellar realignment is selected for habitual dislocation of the patella with quadriceps contracture in adults, the gold standard of management has not yet been established. Pes anserinus dislocatiom for patellar dislocation.


Successful results require combination of these procedures, depending on clinical and intraoperative findings on an individual basis. The graft was placed into the drill holes then secured to the suture anchor and doubled back on itself as described by Dislocafion and Erasmus [ 1011 ]. National Center for Biotechnology InformationU. She recalled a childhood surgery over middle third of left thigh incision and drainage. Surgical management of congenital and habitual dislocation of the patellar.

Whether or not habitual dislocation occurred depended on factors extrinsic to the quadriceps such as femoral torsion, dysplasia of the lateral femoral condyle, genu valgum, a laterally placed patellar tendon insertion and ligamentous laxity. In later childhood they present with habitual dislocation of the patella. The items for pain, symptoms, and leisure and sports activities were scored However it may present in childhood with features of dysfunction and inability pateola run because of instability.

Contradictory reports are present in the relevant literature.

Surgical Treatment of Habitual Patella Dislocation with Genu Valgum

Congenital dislocation of the patella. Am J Sports Med. Although the patella was in the femoral trochlear groove in extension, it dislocated laterally with 25 degrees of knee flexion. Am J Sports Med. It has been known that significant treatment results can be obtained with combined procedures, not with a single procedure.

A lateral retinacular release and an open-wedge distal fermoral varus osteotomy were followed by additional procedures including lateral release and medial reefing because dislocation was still present after the osteotomy.