Mastectomy Clinical Trial
Official title:
Efficacy of Combination of Stellate Ganglion and T2 and T3 Radiofrequency Ablation on Post Mastectomy Complex Regional Pain Syndrome, Randomized Controlled Study.
The aim of this study is to evaluate the efficacy of the combination of Ultra Sound (US) guided radiofrequency stellate ganglion block (SGB) and radiofrequency Thoracic Paravertebral block (TPVB) comparing to US-guided SGB or TPVB alone on the post-mastectomy pain syndrome (PMPS).
Breast cancer is the most common malignancy among females, with an incidence of about 2.1 million women each year. It is the most common cause of cancer-related deaths among women. Modified Radical Mastectomy (MRM) is one of the main surgical treatments for breast cancer. It accounts for 31% of all breast surgery cases. Nearly 40-60% of breast surgery patients experience severe acute postoperative pain, with severe pain persisting for 6-12 months in almost 20-50% of patients (post-mastectomy pain syndrome. Complex regional pain syndrome (CRPS) is a clinical diagnosis with a highly variable presentation and prognosis. CRPS type I, previously known as reflex sympathetic dystrophy (RSD), is not associated with direct nerve injury. CRPS type II, or causalgia, is associated with direct injury of a specific nerve, often from surgical intervention or trauma. Symptoms include severe pain, sensitivity to light touch, burning, sweating, skin discoloration, edema, temperature changes, loss of motor function, and decreased range of motion of the affected limb. The mechanism of CRPS is not fully understood with central and peripheral sensitization involved. ;
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