II. Signs

  1. Variable loss of active finger extension
  2. Inspect all Lacerations for Tendon Injury
  3. Metacarpal-phalangeal joint (MCP) may be most difficult
    1. Tendon retracts most at this location
  4. Exploration may require Laceration extension
    1. Allows for tendon visualization

III. Management

  1. Direct end to end repair of tendon
    1. Indications
      1. Full tendon Laceration
      2. Partial tendon Laceration over 33% of tendon
    2. Technique
      1. Use non-Absorbable Suture (nylon) 4-0
      2. Figure of eight repair
  2. Splint wrist and finger in extension for 4 weeks

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