Stellate Ganglion Block for Prevention of Post Mastectomy Depression

Who May Qualify: - Female patients - Age ranging from 18 to 65 years - American Society of Anesthesiologists (ASA) no more than II - Had unilateral cancer breast - Scheduled to do unilateral modified radical mastectomy Who Should NOT Join This Trial: - Pregnant female - Existing Horner syndrome - Had any neuromuscular disease - Had allergy to local anesthetics - History of use of analgesics - Had any deformity or a previous surgery in the neck or ipsilateral arm or breast - Had any contraindication to the procedure (coagulation disorders, local infection, sepsis) - Had any contraindication to the sympathetic blockade (decompensate cardiopulmonary or hemodynamic disorders) - History of psychotic disorder including depression, bipolar disorder or personality disorder - Patient with Beck Depression Inventory (BDI) score more than 13 Always talk to your doctor about whether this trial is right for you.