Music intervention to relieve anxiety and pain in adults undergoing cardiac surgery: A systematic review and meta-Analysis

Objectives Previous studies have reported beneficial effects of perioperative music on patients' anxiety and pain. We performed a systematic review and meta-Analysis of randomised controlled trials investigating music interventions in cardiac surgery. Methods Five electronic databases were systematically searched. Primary outcomes were patients' postoperative anxiety and pain. Secondary outcomes were hospital length of stay, opioid use, vital parameters and time on mechanical ventilation. PRISMA guidelines were followed and PROSPERO database registration was completed (CRD42020149733). A meta-Analysis was performed using random effects models and pooled standardised mean differences (SMD) with 95% confidence intervals were calculated. Results Twenty studies were included for qualitative analysis (1169 patients) and 16 (987 patients) for meta-Analysis. The first postoperative mu