from Part VI - Misc
Published online by Cambridge University Press: 01 December 2023
Complex regional pain syndrome (CRPS) is a long-term pain condition that commonly affects the extremities and is associated with increased sensitivity to pain and touch. CRPS is classified into two types: CRPS-I and CRPS-II. The former occurs when there is no apparent nerve damage, whereas the latter is linked to known nerve damage. Psychological factors may play a role in the development of CRPS, with studies indicating that individuals with a history of depression and PTSD are at a higher risk of developing this condition. There are various treatment options available for CRPS, including physical therapy, medication, and interventional techniques such as nerve blocks and transcranial stimulation. However, larger and more comprehensive studies are needed to assess the effectiveness of these therapies. While NSAIDs have not been found to be effective in treating CRPS, sympathetic nerve blocks are commonly used but have mixed results. Finally, spinal cord stimulation (SCS) is a surgical treatment option that is recommended after conservative treatments have failed to produce significant symptom relief over several months.
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