Complex regional pain syndrome CRPS✅

Question 1

definition of CRPS 複雜性局部疼痛症候群

Answer 1

pain disproportionate to an injury, either sympathetically maintained/independent of the sympathetic nervous system

Question 2

Types of CRPS

Answer 2

Type 1: no definitive evidence of a major nerve injury, occur spontaneously

Type 2: develops after a nerve injury

Question 3

SSx of CRPS

Answer 3

• neuropathic pain (spontaneous burning pain)
• allodynia 輕觸痛 (sensation misinterpreted as pain)
• hyperalgesia (increased response to painful stimuli)
• hyperpathia (exaggerated, delayed response to sensory stimuli)
• edema
• contractures
• bluish/red, shiny skin
• abnormal sweating and hair growth
• muscle spasm
• decreased strength
• low tolerance for activity

Question 4

Tx of CRPS

Answer 4

• Gentle, pain free AROM
• No PROM
• stress loading e.g. scrubbing the floor, carrying a weighted handbag
• edema
• desensitization (assist with normalizing sensation to the affected
  area; progressive stimulation
  with very soft material to more textured fabrics
  or materials)
• mirror therapy with cortical audio-tactile interaction

Question 5

What to assess for CRPS

Answer 5

ROM, strength, coordination, dexterity, skin changes, pain/sensation and active use of the extremity during
functional activity