Many women experience severe acute postoperative pain after breast cancer surgery. Regional techniques are frequently used as a part of multimodal analgesia in breast surgery. Ultrasound-guided erector spinae plane (ESP) block is a preferred method to reduce the postoperative opioid requirement for postoperative pain management. In this study, we aimed to evaluate the effect of injection rate on the block sensory level in the ESP block.
To evaluate the effect of injection rate on the block sensory level in the ESP block.