Efficacy of Thoracic Paravertebral Block in the Reduction of Acute Post-surgical Pain in Patients With Breast Cancer

Surgical treatment of breast cancer is frequently associated with postoperative pain in the surgical area. Persistent pain after breast cancer management has considerable negative effects on the quality of life of survivors. The aim of this trials is to evaluate the efficacy of thoracic paravertebral block with bupivacine 0.5% in reducing the acute pain postmastectomy compare with surgical wound infiltration with bupivacaine 0.5%.