• Rafael A Lombardi, Eduardo M Pereira, Sara Amaral, Heitor J S Medeiros, and Walid Alrayashi.
• Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska, USA.
• Paediatr Anaesth. 2024 Oct 15.

IntroductionThe erector spinae plane block (ESPB) has recently emerged as a regional anesthesia technique for perioperative pain management in pediatric cardiac surgery. However, evidence comparing its effectiveness with intravenous (IV) opioid-based analgesia is limited. We aimed to evaluate and compare the analgesic efficacy of ESPB versus IV opioids in this setting.MethodsWe systematically reviewed and meta-analyzed studies comparing ESPB with IV opioid analgesia in pediatric cardiac surgeries with midline sternotomy. Primary outcomes were intraoperative fentanyl consumption and intensive care unit (ICU) length of stay (LOS). Secondary outcomes included postoperative opioid consumption, time to first rescue analgesia, pain scores, postoperative vomiting and other complications, extubation time, and hospital LOS. Statistical analyses were performed using RStudio version 4.2.3.ResultsFive studies with 384 patients were included, with 178 receiving ESPB. ESPB significantly reduced intraoperative fentanyl use (MD -1.90 μg.kg-1; 95% CI -3.15 to -0.66 μg.kg-1; p = .003; I2 = 58%) and ICU LOS (MD -3.50 h; 95% CI -4.32 to -2.69 h; p < .0001; I2 = 0%). No significant differences were found in the remaining outcomes.ConclusionOur findings suggest the ESPB might be an important adjunct to enhancing analgesia for midline sternotomies in pediatric cardiac surgery, potentially reducing intraoperative opioid requirements and ICU LOS.Prospero RegistrationCRD 42024526961.© 2024 The Author(s). Pediatric Anesthesia published by John Wiley & Sons Ltd.

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