Hand

DIP Dislocation

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DIP Dislocation, Distal Interphalangeal Joint Dislocation, Finger Dislocation at DIP Joint

  • Mechanism
  1. Usually dorsal dislocation
  2. Typically related to Trauma
  3. Often occurs when ball strikes tip of finger
  • Differential Diagnosis
  1. Mallet Finger (Extensor tendon rupture)
  • Management
  • Reduction
  1. Digital Nerve Block
  2. Apply traction while hyperextending dip joint
  3. Apply pressure to base of distal phalanx
  4. Return phalanx to position by flexing dip joint
  • Management
  • Post-Reduction
  1. Post-reduction joint assessment
    1. Assess joint range of motion
    2. Assess collateral ligaments with DIP flexed
  2. Immobilization
    1. Dorsal splint for 2 weeks in 20-30 degrees of flexion
  3. Referral Indications
    1. Complicated dislocation
  • Complications
  1. Often associated with open Fractures