OA

Acromioclavicular Osteoarthritis

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Acromioclavicular Osteoarthritis, Acromioclavicular Arthritis, AC Joint Arthritis

  • Epidemiology
  1. Common site for arthritic changes
  • Risk Factors
  • Prior AC Joint Injury
  1. Acromioclavicular Separation
  2. Heavy weight lifting
  • Symptoms
  1. Pain localizes to the acromioclavicular joint
  • Signs
  1. AC Joint Tenderness to palpation
    1. Absence of tenderness suggests alternative diagnosis
  2. Pain on provocative maneuvers
    1. Shoulder Crossover Maneuver
    2. Endpoint Shoulder Internal Rotation
    3. Shoulder forward flexion
  • Differential Diagnosis
  • Management
  1. Modify exacerbating activities
    1. Avoid heavy lifting
    2. Avoid overhead activities
    3. Avoid repetitive Shoulder activities
  2. NSAIDs
  3. Local Corticosteroid Injection at AC joint
    1. Effective for short-term pain relief
    2. Jacob (1997) Biomed Sci Instrum 34:380-5 [PubMed]
  4. Surgery for pain refractory to conservative measures
    1. Distal clavicle resection
    2. Rabalais (2007) Clin Orthop Relat Res 455:30-37 [PubMed]