Regional anesthesia has been used and studied extensively in breast surgery as an opioid-sparing strategy, with block of the intercostal supply by thoracic paravertebral block (TPVB) becoming a popular technique.
This prospective randomized controlled trial is aimed to study the proper regional nerve block technique to reach the postoperative opioid-free requirement modality for breast cancer surgery.
Age
18–80
Sex
FEMALE
Healthy volunteers
Not accepted
You may be eligible if
American Society of Anesthesiologists (ASA) grade I-III
Aged ≥ 18-80 years old
Elective unilateral total mastectomy with sentinel lymph node biopsy or lymph node dissection
You may not be if
Patient refusal
Language barrier or inability to communicate with the operating team
Allergy to local anesthetic
Bleeding disorder
Previous breast surgery or thoracic radiation therapy
BMI ≥ 30
Patient who can not understand the proper use of intravenous patient-controlled analgesia machine or who has the problem with communication
