“…The ESPB has been shown to allow for a reduction in the use of intraoperative and postoperative analgesics for opioid-sparing general anesthesia [9,5,6]. Anecdotal evidence, in the form of case studies and small case series, exists for numerous applications of the ESPB as part of a multimodal opioid-sparing analgesia regimen, including thoracotomy, thoracoscopic surgery and thoracic wall surgery [2,3,4,18,19], sternotomy [20], abdominal surgery [21,22,23,24], hip joint and proximal femur surgery [15,16,17].…”