“…This is clearly different from dorsal thoracic or abdominal wall blocks, such as the paravertebral, erector spinae plane, and retrolaminar blocks, in which the local anesthetic injected between the paraspinal muscles and the transverse process may spread caudally and cranially into the paravertebral space, affecting the ventral and dorsal branches of the spinal nerves and the rami communicants that contain sensory, motor, and visceral fibers. 6 Fang I would like to thank Professor Fu-Shan Xue and his colleagues for the thoughtful and thorough review of our article. The questions and concerns merit analysis and discussion; however, the profound effect (almost two-thirds reduction in Post Anesthetic Care Unit (PACU) opioid utilization and 18.5% decreased patient time in PACU) that occurred after the routine adoption of transversus abdominis plane (TAP) blocks in our surgery center was undeniable and was first noticed and reported by our PACU nursing staff.…”