Intra-articular dislocation of the patella: A case report and review of the literature

Theodorides, A.A.; Guo, Shigong; Case, Ruth

doi:10.1016/j.injury.2010.06.006

Cited by 17 publications

(13 citation statements)

References 13 publications

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“…6 The literature shows that this type of dislocation occurs more frequently in adolescents up to 16 years old, being uncommon in the elderly. [7][8][9] Other associated risk factors are ligament laxity, patellar hypermobility, high patella, and trochlear dysplasia. Elderly people who have degenerative changes due to comorbidities, such as rheumatoid arthritis, diabetes mellitus, chronic kidney disease, and chronic use of corticosteroids, which are associated with weakening or rupture of the quadriceps, are also more susceptible to this pathology.…”

Section: Discussionmentioning

confidence: 99%

Luxação intra-articular horizontal da patela: Relato de caso

Miranda

Kupczik

Schiavon

et al. 2020

Rev Bras Ortop (Sao Paulo)

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ResumoLuxação intra-articular da patela é uma afecção incomum, podendo ocorrer deslocamento no plano horizontal ou vertical; pode se associar com lesão/ruptura do tendão do quadríceps, total ou parcial, com lesão osteocondral ou dos ligamentos colaterais. Fatores de risco são: frouxidão ligamentar, hipermobilidade patelar, patela alta e displasia troclear, e é mais comum em jovens, podendo necessitar de redução cruenta. Casos de luxação intra-articular da patela são eventos raros, sendo necessários uma suspeição diagnóstica e um manejo diferenciado. O objetivo deste trabalho é relatar um caso raro de luxação intra-articular da patela, assim como seu quadro clínico, diagnóstico, conduta e revisão da literatura.

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Section: Discussionmentioning

confidence: 99%

Luxação intra-articular horizontal da patela: Relato de caso

Miranda

Kupczik

Schiavon

et al. 2020

Rev Bras Ortop (Sao Paulo)

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“…5 Intra-articular patellar dislocation in older age groups has been reported. [5][6][7] These dislocations frequently are difficult to reduce by closed methods, and open reduction generally is required, along with repair of the extensor mechanism. 3 Amit Chauhan et al 8 reported one case in which they reduced intra-articular patellar dislocation by closed method under local anesthesia.…”

Section: Discussionmentioning

confidence: 99%

Intra-articular dislocation of patella reduced by closed method – A rare case report

Pagdal¹,

Lande²,

Jadhav³

2016

Journal of Clinical Orthopaedics and Trauma

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Intra-articular dislocation of the patella is a rare injury. Two types of intra-articular dislocations have been described in literature. In horizontal type, the patella has rotated on its horizontal axis. In the second type, the patella rotates on its vertical axis. These dislocations frequently are difficult to reduce by closed methods, and open reduction generally is required. We describe here a case of horizontal intra-articular dislocation of patella in a young 25-year-old male managed successfully by closed reduction.

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“…There have also been reports of articular damage in elderly patients managed by performing open operative procedures, suggesting that locked knees in elderly patients are not benign [10,11]. …”

Section: Discussionmentioning

confidence: 99%

Recurrent locked knee caused by an impaction fracture following inferior patellar dislocation: a case report

et al. 2011

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IntroductionLocked knee caused by inferior patellar dislocation is considered rare in elderly patients. It was originally thought that, in the osteoarthritic knee, osteophytes on the pole of the patella become entrapped in the inter-condylar notch, which is managed by performing closed reduction and immobilization in a knee splint for three to four weeks. We present an unusual case of a locked knee with an impaction fracture. To the best of our knowledge, there have been no previous reports of such impaction fractures managed with arthroscopy.Case presentationWe present an unusual case of an 88-year-old Caucasian woman with moderate arthritis who had a locked knee caused by an impaction fracture of the patella into the lateral femoral condyle. In this case report, we describe the need for arthroscopic surgery to prevent relocking of the knee in these patients.ConclusionsThis case report emphasizes the need for careful assessment of locked knees in elderly patients. Impaction fractures should be considered in all rare cases of patellar dislocation, and we advocate arthroscopic assessment of the articular cartilage in these patients. This is an important consideration, as the population demographics change and such impaction fractures may become more common in patients with degeneration in the knees.

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Intra-articular dislocation of the patella: A case report and review of the literature

Cited by 17 publications

References 13 publications

Luxação intra-articular horizontal da patela: Relato de caso

Luxação intra-articular horizontal da patela: Relato de caso

Intra-articular dislocation of patella reduced by closed method – A rare case report

Recurrent locked knee caused by an impaction fracture following inferior patellar dislocation: a case report

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