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MCP JOINT. The metacarpophalangeal (MCP) joint most commonly dislocated is that of the thumb. A simple dislocation involves no soft tissue obstruction, and reduction should be attempted. A complex dislocation involves intervening soft tissue (i.e., ligaments, musculature, or fascia) and requires surgical reduction.CP JOINT. The metacarpophalangeal (MCP) joint most commonly dislocated is that of the thumb. A simple dislocation involves no soft tissue obstruction, and reduction should be attempted. A complex dislocation involves intervening soft tissue (i.e., ligaments, musculature, or fascia) and requires surgical reduction.
Your doctor will realign the dislocated bones. Your finger will be placed in a protective splint for several weeks. Your finger will most likely be swollen after the dislocation. You should apply ice packs to your finger for 20 to 30 minutes every 3 to 4 hours for 2 or 3 days or until the pain goes away. Your hand should be elevated on a pillow while you are lying down or on the back of a chair or couch while you are sitting. Your doctor may prescribe an anti-inflammatory medication.