Varus Posteromedial Rotatory Instability

Chan, Kevin; Athwal, George S.

doi:10.1007/978-3-319-46019-2_6

Cited by 1 publication

(1 citation statement)

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“…Varus posteromedial rotatory instability (VPMRI) is known to be associated with instability and recurrent dislocations [ 21 - 23 ]. Due to capsule-ligamentous disruption and fracture of the coronoid, the reduction is usually easy [ 24 ].…”

Section: Discussionmentioning

confidence: 99%

Irreducible Complex Posterior Elbow Dislocation with Varus Posteromedial Rotary Instability – A Case Report

Sharma,

Dadra,

Rana

et al. 2024

jocr

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Introduction: Elbow dislocations, particularly those associated with varus posteromedial rotary instability, are relatively uncommon. We present the case of a 25-year-old male initially managed nonoperatively for a posterior elbow dislocation, who subsequently experienced irreducible re-dislocation with characteristic fractures of the anteromedial facet and tip of the coronoid, indicative of varus posteromedial rotary instability. Case Report: Following an unsuccessful attempt at closed reduction under general anesthesia, open reduction was performed, revealing the interposition of the posterior capsule of the humero-ulnar joint as the cause of irreducibility. Fixation of the coronoid fracture was undertaken, and the patient exhibited excellent functional outcomes at a 4.5-year follow-up. Conclusion: This case underscores the rarity of irreducible elbow dislocation in the context of varus posteromedial rotary instability and highlights the crucial role of capsular interposition in such cases. Successful open reduction, coronoid fixation, and attentive postoperative care contributed to the patient’s favorable long-term functional outcome. Keywords: Varus posteromedial rotary instability, elbow dislocation, capsular Interposition, open reduction, coronoid fracture.

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Section: Discussionmentioning

confidence: 99%