American Society of Anesthesiologists May 14 2026 Perioperative medicine is emerging as a transformative, comprehensive, system-wide approach to patient care before, during, and after surgery – that reduces complication rates and hospital days, provides better health outcomes, and improves health system performance, according to a special article in the Online First edition of Anesthesiology , the peer-reviewed medical journal of the American Society of Anesthesiologists (ASA). Perioperative