Complex Regional Pain Syndrome Treatment Guidelines

Introduction to CRPS Treatment

The American Society of Anesthesiologists recommends physical therapy with gentle mobilization and progressive exercises as the cornerstone of CRPS treatment, which must be initiated immediately, with all other interventions serving solely to facilitate participation in rehabilitation 1, 2

Gentle stretching and mobilization techniques focusing on increasing external rotation and abduction of the affected limb should be used in physical therapy for CRPS patients 1
Active range of motion exercises that gradually increase while restoring alignment and strengthening weak muscles in the shoulder girdle (for upper extremity) are recommended for CRPS treatment 1
Sensorimotor integration training to normalize movement patterns and prevent limited range of motion is a critical component of CRPS physical therapy 2
Delaying physical therapy while waiting for pain to resolve worsens outcomes through disuse and pain upregulation 2

The American College of Cardiology is not relevant here, however, NSAIDs (ibuprofen) or acetaminophen are recommended as first-line analgesics for CRPS if no contraindications exist 1, 2
Early oral corticosteroids (30-50 mg daily for 3-5 days, then taper over 1-2 weeks) may be used to reduce swelling and inflammation in CRPS patients 1

Stellate ganglion blocks (for upper extremity CRPS) or lumbar sympathetic blocks (for lower extremity) may be used as components of multimodal treatment for CRPS, with a critical requirement for consistent improvement and increasing duration of pain relief with each successive block 1, 3
Sympathetic blocks should not be used for long-term treatment of non-CRPS neuropathic pain, and peripheral somatic nerve blocks should not be used for long-term chronic pain management 1, 3
Botulinum toxin injections into affected muscles may be used when pain is related to spasticity in CRPS patients 1

Spinal cord stimulation is recommended for persistent CRPS that has failed multimodal conservative treatment, with a mandatory trial period required to demonstrate adequate pain relief and functional improvement before permanent device implantation 1, 3, 4
A strong consensus among the American Society of Anesthesiologists and the American Society of Regional Anesthesia and Pain Medicine members supports the use of spinal cord stimulation for refractory CRPS 3, 4

Cognitive behavioral therapy, biofeedback, and relaxation training provide pain relief and reduce anxiety/avoidance behaviors that perpetuate disability in CRPS patients 2, 5

Immediate initiation of physical therapy with gentle mobilization and NSAIDs/acetaminophen is recommended for CRPS treatment, followed by early intervention with oral corticosteroids and consideration of gabapentin or tricyclic antidepressants for neuropathic component 1, 2

Documenting objective functional outcomes, including measurable improvements in activities of daily living, cognitive function, autonomic stability, and temperature dysregulation, is essential for CRPS treatment 1
Recording the duration of relief with each successive block to demonstrate the required pattern of "increasing duration" is critical for sympathetic blocks 1

Active infection, coagulopathy, or patient unwillingness are contraindications to interventional therapies for CRPS 4, 6
Patients on anticoagulants, antiplatelet agents, or antiangiogenesis agents without appropriate cessation period should not undergo interventional procedures for CRPS 4, 6

Evaluating CRPS patients at least twice annually by a specialist due to high recurrence risk is recommended 2
Ongoing reassessment of functional status, not just pain scores, is essential for CRPS management 4, 7

The American Society of Anesthesiologists recommends tricyclic antidepressants (amitriptyline, nortriptyline) for neuropathic features in CRPS patients 8
The Journal of the American Geriatrics Society suggests topical lidocaine for localized neuropathic pain in CRPS patients 9