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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Abstract Habitual dislocation of patella is a rare disorder. An anatomic radiographic study.

The diagnostic relevance of Q angle as an indication for distal realignment was not established in our case and we recommend tibial tuberosity-trochlear groove distance TTTG as measured by CT scan as a better tool.

In the physical examination, the apprehension test was positive. He ;atella cautious physical examination regarding patella tracking since radiological examinations, including skyline view do not always show the pathophysiology of patellar instability.

Surgical Treatment of Habitual Patella Dislocation with Genu Valgum

A year-old man, construction worker, presented a habitual patellofemoral dislocation which was caused by direct trauma to the knee as a child. The authors declare that there is no conflict of interests regarding the publication of this paper. A discussion on the etiology and relationship to recurrent dislocation of the patella. If patella still dislocates after full flexion is achieved, distal realignment is added. However, it has been known that combined procedures, not one single procedure, should be performed to achieve relatively satisfying treatment results.


Lengthening of the rectus femoris tendon was also required in many cases in their series.

She recalled a childhood surgery over middle third of left thigh incision and drainage. However, late presentation of habitual patellar dislocation with osteoarthritis is rare and treatment plan has not yet been established.

He said that tibial tuberosity transplant might be useful in adults, but in children it could causes genu recurvatum from premature closure of the anterior part of the epiphysis and distal migration of the tibial tubercle and traction spur. Williams reported clinical presentations and pathophysiology in patients with quadriceps contractures. Published online Oct Tracking was augmented with MPFL reconstruction using semi-tendinosus tendon and patellar end was fixed with 2.

There was full range of motion Figures 4 and 5. The lateral tether is released by dividing the fibrous adhesions, which extended along the lateral intermuscular septum.

Habitual dislocation of patella: A review

Surgical management of congenital and habitual dislocation of the patella. Clinically and radiologically Grade III Kellgren and Lawrence classification[ 8 ] tricompartmental degenerative knee arthritis was appreciated [ Figure 1 ]. Support Center Support Center. Scoring of patellofemoral disorders.

Treatment of habitual dislocation of patella in an adult arthritic knee

Distal femoral varus osteotomy. Therefore, a reconstruction using a medial patellofemoral ligament allograft was not considered necessary and the reduction was maintained at the follow-up examination.

Knee Surg Sports Traumatol Arthrosc. A few recurrences were seen. Overall, the cause of dislocation was isolated rupture of the medial stabilizing apparatus of the patella. Published online Sep Jeffreys in described an abnormal attachment of the iliotibial tract to the patella, producing habitual dislocation in flexion. We adjusted the length of the graft by taking into account engagement of the patella and by obtaining full range of motion in the knee.


Contradictory reports are present in the relevant literature. This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License http: If full flexion of knee is possible at this stage, vastus is repaired and the wound is closed. Depending on the pathology; medial plication, advancement of vastus medialis across the anterior surface of the patella, patellar tendon transfer or transfer of sartorius to the patella was added.

There were no scars on the knee. 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 are broadly classified into proximal and distal realignment procedures or bone and soft tissue realignment procedures. Patella reduced after release of Iliotibial tract and vastus lateralis.