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BACKGROUND In cardiac surgery, high-dose opioid contributes to adverse events associated with poor postoperative outcomes. There is growing evidence that nerve block-based multi-modal anesthesia protocols may reduce intraoperative opioid consumption without compromising analgesia management and consequently improve patient's early postoperative recovery.
OBJECTIVE To determine whether opioid-sparing anaesthesia based on ultrasound-guided nerve block could improve early postoperative recovery after cardiac surgery.
DESIGN A randomised controlled trial. SETTING A tertiary hospital. PATIENTS Eighty patients aged 45 to 70 years undergoing cardiac surgery were enrolled. Key exclusion criteria included contraindication to interventions or drugs and a history of chronic pain or chronic opioid use.
INTERVENTIONS Eligible patients were randomised at a 1:1 ratio to receive either opioid-sparing anaesthesia based on ultrasound-guided nerve block (intervention group) or opioid-based anaesthesia (control group).
MAIN OUTCOME MEASURES The primary outcome was the global score of the 15-item Quality of Recovery (QoR-15) questionnaire at 24h after surgery. Secondary outcomes included QoR-15 at 72h after surgery, postoperative pain score, the incidence of postoperative adverse events and chronic pain. Other outcomes included endotracheal intubation duration, length of hospitalization, and hospital costs.
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Inclusion criteria
Male or female adult patients aged 45 to 70 years, awaiting elective cardiac surgery, and American Society of Anaesthesiologists physical status classes II or III were eligible.
Exclusion criteria
contraindications to punctual or local anesthetic drugs, a history of chronic pain or chronic opioid use, and an inability to communicate or refuse to enroll.
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80 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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