2012
DOI: 10.3928/01477447-20120621-30
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Revision Surgery for a Dislocated Constrained Total Knee Arthroplasty

Abstract: Knee dislocation after revision total knee arthroplasty (TKA) is a dangerous, albeit rare, injury that can lead to neurovascular compromise and permanent disability. A paucity of peer-reviewed literature exists regarding this complication after revision TKA. Tibiofemoral dislocation commonly occurs with minimal trauma, such as rising from a seated position, and is commonly associated with a flexionextension gap mismatch. Prompt diagnosis and expedited treatment of this complication is necessary to minimize the… Show more

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Cited by 12 publications
(10 citation statements)
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References 11 publications
(16 reference statements)
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“…Acute knee dislocation requires an urgent attempt at closed reduction, with careful evaluation of neurovascular status. 1 If unsuccessful, the patient likely requires open reduction with subsequent immobilization for 3 to 10 weeks. 3 If the patient continues to have symptoms of instability, revision surgery is likely necessary.…”
Section: Discussionmentioning
confidence: 99%
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“…Acute knee dislocation requires an urgent attempt at closed reduction, with careful evaluation of neurovascular status. 1 If unsuccessful, the patient likely requires open reduction with subsequent immobilization for 3 to 10 weeks. 3 If the patient continues to have symptoms of instability, revision surgery is likely necessary.…”
Section: Discussionmentioning
confidence: 99%
“…Despite excellent long-term results, a small percentage of patients require revision surgery for a variety of reasons. 1 In the setting of aseptic failure, patients may present with component loosening, polyethylene wear, patellofemoral maltracking, and/or ligamentous instability. 2 Patients with instability have variable presentations, depending on the integrity of the surrounding ligamentous structures and component positioning.…”
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confidence: 99%
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“…Mihaiko ve ark (11) diz protezi cerrahisinde fleksiyon ve ekstansiyon bojiuklannin e §it olarak dengelenmesinin önemini vurgulamaktadir Schuh ve ark (12), çalijmalannda hareketii sistem insört kulianilan dizlerde olujan çikiklar sonrasi insört degijimi yerine revizyon diz protezi ameliyati yapilmasmi önermektedirier. Hagedom ve ark (13) yaptikiari çalijmada revizyon diz protezi yapilan hastalarda diz çikigmm en önemli nedeni olarak fleksiyon ve ekstansiyon araliklarmm ejit olmamasmi belirtmektedirler Villanueva ve ark (14) yaptiklari çaiijmada alti diz protezi sonrasi eklem çikigi olan hastayi degerlendirmijler dort hastada fleksiyon ekstansiyon dengesizligi, bir hastada komponentlerin malrotasyonunu ve bir hastada da uygunsuz implant seçiminin neden oldugunu belirtmektedirler Ekstansiyon ve fleksiyon açikliklarmm ejit olmamasi ve komponentlerin tespit açilarmm uygun olmamasmm diger dizdeki çikigin nedeni olarak düfünüldü. Biz de insört çikigi olan sol dize arka çapraz bagi kesen sabit insörtlü revizyon diz protezi ameliyati yaptik.…”
Section: Tartifmaunclassified