The Effect of Local Corticosteroid Injection in Carpal Tunnel Syndrome Patients With Type 2 Diabetes

Inclusion Criteria * Carpal Tunnel Syndrome with Type 2 Diabetes Mellitus Group (Group 1): * Age between 18 and 75 years * Presence of clinical symptoms compatible with carpal tunnel syndrome (e.g., pain, paresthesia, numbness) for at least 3 months * Patients diagnosed with mild-to-moderate carpal tunnel syndrome based on electrophysiological findings * Diagnosis of type 2 diabetes mellitus * Regulated blood glucose levels, defined as hemoglobin A1c (HbA1c) \< 7% * Idiopathic Carpal Tunnel Syndrome Group (Group 2): * Age between 18 and 75 years * Presence of clinical symptoms consistent with carpal tunnel syndrome (e.g., pain, paresthesia, numbness) for at least 3 months * Patients diagnosed with mild-to-moderate carpal tunnel syndrome based on electrophysiological findings * No diagnosis of diabetes mellitus Exclusion Criteria * Severe carpal tunnel syndrome based on electrophysiological findings * Presence of polyneuropathy, cervical radiculopathy, brachial plexopathy, or thoracic outlet syndrome * Uncontrolled blood glucose levels in the diabetic group (hemoglobin A1c ≥ 7%) * Presence of another systemic disease, other than diabetes mellitus, that may cause carpal tunnel syndrome * Presence of a rheumatological disease * History of wrist surgery * Less than 6 months since a local corticosteroid injection for carpal tunnel syndrome * Less than 3 months since completion of a physical therapy program for carpal tunnel syndrome * Infection at the intend…