Complex Regional Pain Syndrome
(CRPS)

Complex regional pain syndrome (CRPS) is a painful and sometimes debilitating neuro-inflammatory disorder that arises after a minor traumatic limb injury such as a sprain, strain, fracture or scrape, or sometimes after surgery or immobilization. Previously referred to as reflex sympathetic dystrophy (RSD), the condition affects roughly 80,000 Americans each year. The syndrome is marked by increased pain over time that is more severe than one would expect from the original injury.

CRPS is caused by a malfunction of the nervous and immune systems in response to tissue damage from trauma, causing nerves to misfire and send constant pain signals to the brain. CPRS normally affects an injured limb, but can also occur in the hands, feet, or back. The most common occurrence of CRPS is after a fracture to the distal radius, at the thumb side of the wrist.

CPRS can be divided into two subcategories:
  1. Pain resulting from a distinct injury to a nerve.
  2. Pain arising from an injury not directly affecting a nerve.

While CRPS can affect anyone at any age, it most commonly affects people in their mid 30s, with females 3.5 times more likely to report the condition than males.

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Symptoms of CRPS/RSD

The main symptom of CRPS is pain that increases after an injury, rather than decreasing as the injury heals. Other symptoms may include:

  • Deep, aching pain described as cold or burning, with increased skin sensitivity
  • Severe pain after an injury that is disproportionate to the injury type, and does not subside with healing
  • Pain caused by things that should not cause pain, like clothing touching the skin, or water on skin during a shower
  • Over-sensitivity to painful stimulation or pressure
  • Abnormal swelling in the affected area
  • Abnormal hair or nail growth
  • Changes in skin color not consistent with the injury
  • One side of the body warmer or colder than the other
  • Excessive sweating in the affected area
  • Muscle weakness, limited range of motion, paralysis or dystonia
Diagnosis of CRPS/RSD

There is no single or simple diagnostic tool for CRPS. Diagnosis is mostly based on patient history, clinical examination, and laboratory results. Other conditions that might be the source of pain must be ruled out before considering a diagnosis of CRPS.

Early diagnosis and treatment are important for resolving CRPS.

Treatment Approaches for CRPS

Conventional treatments for CRPS revolve around pain management, and most involve some type of pharmaceutical intervention. Common treatment approaches include:

  • Corticosteroid injections, which are most effective in the early stages of CRPS, but have little effect after 6 months
  • Calcium regulating drugs
  • Opioid drugs
  • NSAIDs
  • Nerve blocking agents
  • Various other pharmaceutical drugs aimed at managing CRPS symptoms

It is important to note that conventional methods of treating CRPS are focused on managing the symptoms, rather than resolving the condition. Moreover, any type of cold therapy should be avoided, as it can accelerate the disease and worsen symptoms.

CPRS Treatment at NYDNRehab

At NYDNRehab, we take a holistic approach to CRPS treatment, paying close attention to the unique needs of the individual patient. Physical therapy treatment is geared to increasing strength and mobility while gradually reducing and eliminating pain and other symptoms.

At NYDNRehab we mainly concentrate on:

Progressive desensitization techniques to stimulate and desensitize the painful area.
We also use our CAREN system for pain modulationand cortical integration.

The end goal of treatment is to improve strength and range of motion while reducing the perception of pain, helping the patient achieve more normal function without pain.

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