• Victor X Fu, Pim Oomens, Markus Klimek, VerhofstadMichiel H JMHJDepartment of Surgery, Erasmus MC, University Medical Centre, Rotterdam, the Netherlands., and Johannes Jeekel.
• Department of Surgery, Erasmus MC, University Medical Centre, Rotterdam, the Netherlands.
• Ann. Surg. 2020 Dec 1; 272 (6): 961-972.

ObjectiveTo assess and quantify the effect of perioperative music on medication requirement, length of stay and costs in adult surgical patients.Summary Background DataThere is an increasing interest in nonpharmacological interventions to decrease opioid analgesics use, as they have significant adverse effects and opioid prescription rates have reached epidemic proportions. Previous studies have reported beneficial outcomes of perioperative music.MethodsA systematic literature search of 8 databases was performed from inception date to January 7, 2019. Randomized controlled trials investigating the effect of perioperative music on medication requirement, length of stay or costs in adult surgical patients were eligible. Meta-analysis was performed using random effect models, pooled standardized mean differences (SMD) were calculated with 95% confidence intervals (CI). This study was registered with PROSPERO (CRD42018093140) and adhered to the Preferred Reporting Items for Systematic Reviews and Meta-analysis guidelines.ResultsThe literature search yielded 2414 articles, 55 studies (N = 4968 patients) were included. Perioperative music significantly reduced postoperative opioid requirement (pooled SMD -0.31 [95% CI -0.45 to -0.16], P < 0.001, I = 44.3, N = 1398). Perioperative music also significantly reduced intraoperative propofol (pooled SMD -0.72 [95% CI -1.01 to -0.43], P < 0.00001, I = 61.1, N = 554) and midazolam requirement (pooled SMD -1.07 [95% CI -1.70 to -0.44], P < 0.001, I = 73.1, N = 184), while achieving the same sedation level. No significant reduction in length of stay (pooled SMD -0.18 [95% CI -0.43 to 0.067], P = 0.15, I = 56.0, N = 600) was observed.ConclusionsPerioperative music can reduce opioid and sedative medication requirement, potentially improving patient outcome and reducing medical costs as higher opioid dosage is associated with an increased risk of adverse events and chronic opioid abuse.

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