Postoperative pain management in patients undergoing posterior spinal fusion for adolescent idiopathic scoliosis: a narrative review

Table 7 Regimens for continuous wound infiltration of local anesthetics reported in the literature

First author Journal Year Type of study Total sample size	Position of the catheter	Loading dose	Continuous infusion
Ross [67] Spine (Phila Pa 1976) 2011 Retrospective 244	Just adjacent to the spinal instrumentation, in the paraspinal muscle, in the subfascial area, or subcutaneously at the discretion of the surgeon	None	Bupivacaine 0.5% at 4 ml/h for 100 h
Reynolds [68] Global Spine J 2013 Retrospective 87	Two catheters inserted into the subcutaneous tissue on either side of the incision site, just before wound closure	None	Bupivacaine 0.25% in sterile saline at a rateof 4 ml/h (2 ml/h for each catheter) for 100 h
Wade [23] Spine Deform 2015 Retrospective 196	Subcutaneously in the wound before closure	None	Bupivacaine 0.25% at 4 ml/h for 72 h

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