Benzodiazepine-free Anesthetic for Reduction of Delirium (B-Free)

"1. No routine use of any intraoperative benzodiazepines.~2. Accepted benzodiazepine use in the case of seizure, alcohol withdrawal, or known benzodiazepine dependence.~3. Accepted benzodiazepine use in patients who are hemodynamically unstable and/or have cardiac anatomy that puts them at high risk of developing ischemia on induction of anesthesia."

"1. Administration of some benzodiazepine to most patients undergoing cardiac surgery.~2. Accepted lack of benzodiazepine use in patients who have contraindications to the administration of these medications (e.g. documented allergy)."