Efficacy of Postoperative Analgesia by Erector Spinal Plane Block after Lumbar Surgery: A Systematic Review and Meta-analysis of Randomized Controlled Trials

<div>PRISMA flow diagram of the literature selection. Records excluded during screening step: no postoperative opioid consumption, letters, retrospective studies, case reports, reviews, incomplete clinical trials, studies without control groups, studies without full text, and conference abstracts were also excluded.</div>

Computational and Mathematical Methods in Medicine

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Figure 1

Figure 1: Efficacy of Postoperative Analgesia by Erector Spinal Plane Block after Lumbar Surgery: A Systematic Review and Meta-analysis of Randomized Controlled Trials 

Figure 1 | Efficacy of Postoperative Analgesia by Erector Spinal Plane Block after Lumbar Surgery: A Systematic Review and Meta-analysis of Randomized Controlled Trials 