Nerve Entrapment
Nerve Entrapment vs. CRPS: Understanding the Distinction
Have you received a diagnosis of nerve compression or entrapment, also known as neuropathy or nerve root compression? Nerve entrapment is a common medical condition caused by direct pressure on a nerve, resulting in symptoms such as pain, “pins and needles” sensation, numbness, or muscle weakness. While many doctors attribute these symptoms to trapped nerves or conditions like herniated or protruding discs, it’s crucial to consider the possibility of Complex Regional Pain Syndrome (CRPS), a nerve system disorder that can manifest similar symptoms after an injury.
Determining if Your Nerve Entrapment Could Be CRPS Type-1
In a study conducted at the Mensana Clinic in 2009, 38 patients diagnosed with Type-1 CRPS-RSD participated to determine the prevalence of nerve entrapment as an underlying cause. Various tests were performed to validate the initial diagnosis. The results showed that all but one patient had nerve entrapment, and the remaining patient had Thoracic Outlet Syndrome. Among the 37 patients with nerve entrapment:
- 10 were diagnosed with Type-1 CRPS
- 2 were diagnosed with Type-2 CRPS
- 9 had a disruptive disc
Out of the total 38 participants, only 12 were diagnosed with CRPS, and none of them had undergone the recommended series of tests before their initial diagnosis. This indicates the existing challenges in consistently and accurately diagnosing CRPS among medical professionals.
Identifying the Difference
Differentiating between nerve entrapment and CRPS is crucial, as misdiagnosis can occur. According to Bayor Health, some key identifiers of nerve entrapment include:
- Following a direct line where the affected nerve travels, often exhibiting symptoms along that pathway.
- Responding to Sympathetic Blocks.
- Experiencing pain upon touch over the affected nerve (mechanical allodynia).
In contrast, CRPS Type-1 involves the entire leg or lower leg (distally) and may include additional symptoms, such as:
- Allodynia – Increased sensitivity of the skin.
- Muscle weakness and tissue loss – Patients may experience muscle loss, muscle spasms, and progressive muscle weakness. If left untreated, this can lead to atrophy and loss of limb function.
- Continuous and severe pain – Unlike nerve entrapment, CRPS pain is constant and unaffected by different positions or physical therapy.
- Skin changes – Many CRPS patients experience skin problems, including swelling/edema, petechiae, and shiny skin. Even gentle air blowing on the affected area can cause significant pain and distress.
If you suspect that your symptoms align with those of CRPS, it is crucial to consult a doctor with experience in diagnosing and treating this
