Background It is speculated that opioid-free anesthesia may provide adequate pain control while reducing postoperative opioid consumption. However, there currently no evidence to support the speculation. The authors hypothesized balanced anesthetic with dexmedetomidine reduces opioid-related adverse events compared remifentanil. Methods Patients were randomized receive a standard either intraop...

CONTEXT The role of prophylaxis for postoperative nausea and vomiting (PONV) in cardiac surgery is under debate. AIMS To study the risk factors for PONV after cardiac surgery and the role of betamethasone with or without droperidol for its prevention. SETTING AND DESIGN Randomized open-label controlled study comparing standard care with PONV prophylaxis from February to November 2016. MET...