Arthritis, Degenerative

Arthritis, Degenerative is a topic covered in the 5-Minute Emergency Consult.

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  • Degenerative arthritis or osteoarthritis (OA) is the most common progressive joint disease, with 20–30 million cases in the US
  • Found almost exclusively in the elderly


  • Mechanism
  • Repetitive stress to synovial joints associated with age
  • May be seen in younger patients secondary to joint trauma
  • Articular cartilage destruction:
    • Reactive changes in joint margin bone and subchondral sclerosis
  • Risk factors include age, obesity, trauma, genetics, sex, and environment.

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