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J Surg Orthop Adv. 2012 Fall;21(3):141-6.

Ligamentous and capsular injuries to the metacarpophalangeal joints of the hand.

Author information

  • 1Department of Orthopaedic Surgery, University of Illinois, Chicago, IL, USA. smiresh@gmail.com

Abstract

The mechanism of dorsal dislocation of the metacarpophalangeal (MCP) joint is with forced hyperextension of the joint and the main structure injured is the volar plate. A simple dislocation can be reduced by closed means whereas a complex dislocation cannot. Care must be taken not to put traction across the joint, which may cause the volar plate to slip into the joint, converting a simple dislocation into a complex dislocation. Volar dislocations are rare and mainly treated nonoperatively. Sagittal band injuries can be treated with extension splinting or surgical management with direct repair or reconstruction. A locked MCP joint can usually be treated with closed manipulation. This article discusses these injuries and management options.

PMID:
23199942
[PubMed - indexed for MEDLINE]
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