Stellate Ganglion Block in Complex Regional Pain Syndrome

Inclusion Criteria: * Volunteer male and female patients aged 18-75 * Diagnosed with Complex Regional Pain Syndrome according to the IASP 2012 Diagnostic Criteria * Patient's pain level must be VAS \>4 Exclusion Criteria: * Presence of existing neurological diseases other than rheumatic diseases and stroke * General impairment * Conditions that would constitute a contraindication to application, such as an open wound or sensory deficit in the application area * Presence of active infection * Presence of malignancy * Cognitive dysfunction (mini mental test result \<23)