Pectoral block versus paravertebral block: a systematic review, meta-analysis and trial sequential analysis.
Jin Zhaosheng, Durrands Thomas, Li Ru, +2 more·Regional anesthesia and pain medicine
BACKGROUND: Pectoral (PECs) block was first described by Blancofor postoperative analgesia in breast surgery. It was proposed to be an easier and safer alternative to thoracic epidural or paravertebral block (PVB). In this systematic review and meta-analysis, we compare the perioperative analgesic efficacy and adverse…