Enhanced Recovery After Surgery (ERAS) protocols have revolutionized perioperative management by implementing evidence-based, patient-centered strategies that improve clinical outcomes, shorten hospital length of stay, and reduce healthcare costs. In cardiac surgery, ERAS has facilitated the adoption of fast-track cardiac anesthesia (FTCA), which aims to achieve early extubation within 6-8 hours after surgery while maintaining patient safety. Compared with conventional high-dose opioid anesthesia, FTCA has been associated with shorter intensive care unit (ICU) stays, earlier mobilization, faster recovery, and comparable rates of mortality and major postoperative complications. Despite these advantages, opioids remain the cornerstone of perioperative analgesia in cardiac surgery. Their use is associated with respiratory depression, delayed extubation, postoperative nausea and vomiting, ileus, urinary retention, delirium, opioid-induced hyperalgesia, and increased healthcare costs, highlighting the need for opioid-sparing anesthetic strategies. Dexmedetomidine, a highly selective α2-adrenergic agonist, provides sedation, analgesia, and sympatholysis without clinically significant respiratory depression. In cardiac surgery, it improves hemodynamic stability, reduces perioperative opioid requirements, preserves spontaneous ventilation, and may decrease postoperative delirium, making it particularly suitable for fast-track extubation protocols. Ultrasound-guided erector spinae plane block (ESPB) has emerged as a safe and effective regional analgesic technique. Compared with thoracic epidural and paravertebral blocks, ESPB offers a lower risk of complications, is technically straightforward, and provides effective bilateral analgesia for cardiac surgery. Randomized studies have demonstrated substantial reductions in intraoperative opioid consumption, improved postoperative pain control, and prolonged opioid-free analgesia. Minimally invasive cardiac surgery (MICS), characterized by reduced surgical trauma and faster recovery compared with conventional sternotomy, provides an ideal setting to evaluate opioid-sparing anesthetic strategies. Combining dexmedetomidine with ultrasound-guided bilateral ESPB may optimize perioperative analgesia, facilitate early extubation, reduce opioid-related adverse effects, and enhance postoperative recovery, supporting ERAS principles in contemporary cardiac surgery.
Age range
18 Years – 65 Years
Sex
ALL
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Time to Tracheal Extubation
Timeframe: From ICU admission until successful extubation (within 48 hours postoperatively)