Definition of "perioperative" [perioperative]

• Relating to the period around an operation, including immediate preoperative preparation and postoperative recovery. (adjective)

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• "The patient had surgery and essentially died within what's called the perioperative period."
• "The study measured the death rates (known as perioperative mortality) after surgery."
• ""Increase of 1-year mortality after perioperative beta-blocker withdrawal in endovascular and vascular surgery patients.""