Interarticular Horizontal Dislocation of the Patella

Brady, Thomas A.; Russell, Donald

doi:10.2106/00004623-196547070-00014

Cited by 47 publications

(10 citation statements)

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“…Several authors have reported failure of closed reduction for horizontal dislocation of the patella with complete disruption of the extensor mechanism,7–10 however cases with intact extensor mechanism and incomplete patellar dislocation may be managed with closed reduction under general anaesthesia and adequate muscle relaxation 11–17. Murakami suggested that successful closed reduction depends on the degree of locking of the patella within the joint 14.…”

Section: Discussionmentioning

confidence: 99%

“…Murakami suggested that successful closed reduction depends on the degree of locking of the patella within the joint 14. But in view of the immense force required to bring this reduction, many authors including Brady and Russell recommend open reduction as the primary procedure 1 6 7 18. Maripuri et al suggested maintaining the hip in flexion during closed reduction to relax the quadriceps in order to avoid the need for greater force,3 however, they recommend this manipulation, which is done under conscious sedation, only if good relaxation and pain relief are achieved.…”

Section: Discussionmentioning

confidence: 99%

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Intra-articular dislocation of the patella: a rare variant to an uncommon injury

Rangdal¹,

Bachhal²,

Vashisht

et al. 2019

BMJ Case Rep

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Horizontal intra-articular dislocation of the patella is a very rare traumatic entity. We present an unusual case of horizontal intra-articular dislocation in which the patellar articular surface was facing upwards besides having an avulsion of the quadriceps tendon from the superior pole. There was associated posterolateral knee subluxation, which has not been described with intra-articular dislocation of the patella. A 20-year-old man presented with open patellar dislocation and locked knee after a roadside accident. The patient was managed successfully by open reduction and repair of the quadriceps tendon. There was buttonholing of the medial femoral condyle through the medial retinaculum leading to irreducible dislocation. A special reduction manoeuvre was employed to bring the knee to its normal alignment. Knowledge of this injury pattern is of utmost importance for proper recognition and appropriate allocation of the surgical technique.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Intra-articular dislocation of the patella: a rare variant to an uncommon injury

Rangdal¹,

Bachhal²,

Vashisht

et al. 2019

BMJ Case Rep

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“…A horizontal type where the patella has rotated on its horizontal axis with the articular surfaces either facing proximally or distally. 2,8,9,16 In the second type, the patella rotates on its vertical axis and the articular surface either faces medially or laterally. 1,3,5 An unusual occurrence reported by Garrison and McCabe 11 showed the patella simultaneously rotated on its horizontal and vertical axes.…”

Section: Discussionmentioning

confidence: 99%

Horizontal intra-articular dislocation of patella with ipsilateral closed diaphyseal fracture of femur—a case report

2004

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“…The patella is detached from the quadriceps tendon and rotates around its horizontal axis such that the proximal part of the patella is stuck within the intercondylar notch. Manipulation under anaesthesia and casting in extension for six weeks achieves reduction and healing (Brady and Russell, 1965;Feneley, 1968;Murakami, 1982;Stover, 1967). The prognosis is good and the quadriceps tendon is usually intact.…”

Section: Intra Articular or Horizontal Dislocationsmentioning

confidence: 99%

Patella dislocations

Dath¹,

Chakravarthy²,

Porter³

2006

Trauma

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The patellofemoral joint relies on muscular, ligamentous and bony support for normal stability and function. Dislocations commonly occur due to simultaneous rotational force with contraction of the quadriceps. Bony, muscular and ligamentous factors predispose to dislocations although no single factor causes more dislocations than any other. The diagnosis is based on the history combined with physical examination and radiological investigations. A careful scrutiny of the radiographs is necessary to determine the presence of osteochondral fractures in acute patellar dislocations. Special views and further imagining is indicated especially in those with recurrent symptoms. The treatment of acute dislocations is most commonly non operative. Surgery in acute patellar dislocations is indicated for intra articular fragments or those with large osteochondral fractures. Various soft tissue and bony realignment procedures have been described for recurrent dislocations. No single procedure is superior to another. Factors such as the patient’s age, functional needs, extent of malalignment and the condition of the joint are important factors to be considered prior to operative intervention. In this paper we discuss an overview of the diagnosis and management of patella dislocations with a literature review on the current concepts in treatment.

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Interarticular Horizontal Dislocation of the Patella

Cited by 47 publications

References 0 publications

Intra-articular dislocation of the patella: a rare variant to an uncommon injury

Intra-articular dislocation of the patella: a rare variant to an uncommon injury

Horizontal intra-articular dislocation of patella with ipsilateral closed diaphyseal fracture of femur—a case report

Patella dislocations

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