CRPS: The Daily PANCE Blueprint
A 40-year-old female develops severe, burning pain in her right foot 6 weeks after an ankle fracture. The pain is disproportionate to the injury and worsens with even the lightest touch. On physical exam, you notice decreased movement. Which of the following is the best initial treatment?
A. High-dose opioids
B. Referral to physical therapy
C. Surgical nerve decompression
D. Long-term corticosteroids
E. Sympathetic nerve blocks
Answer and topic summary
The answer is B. Referral to physical therapy
Complex regional pain syndrome is a syndrome of a body region (usually distal extremities) that occurs mostly after an injury, fracture, or surgery. It is characterized by prolonged/abnormal pain disproportionate to the initial insult. The pain is regional and usually develops in 4-6 weeks. Other clinical features that patients may have include hyperalgesia, allodynia, motor impairment, changes in temperature or skin color, etc. There is a diagnostic criteria called the Budapest consensus criteria. Management includes patient education, PT/OT (considered 1st line), psychosocial support if needed, and adequate pain management.
Why other options are incorrect:
- A. High-dose opioids: Not first-line and carries significant risk of dependence
- C. Surgical nerve decompression: Too invasive for initial management
- D. Long-term corticosteroids: Not evidence-based for CRPS and has significant side effects
- E. Sympathetic nerve blocks: While sympathetic blocks can be effective for CRPS, they are typically reserved for patients who don’t respond adequately to conservative treatment like physical therapy. Current guidelines recommend starting with PT/OT and functional restoration before proceeding to more invasive interventional procedures.
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