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Perioperative Quality Initiative consensus statement on intraoperative blood pressure, risk and outcomes for elective surgery

D. Sessler,J. Bloomstone,S. Aronson,C. Berry,T. Gan,J. Kellum,J. Plumb,M. Mythen,M. Grocott,M. Edwards,T. Miller

Published 2019 in British Journal of Anaesthesia

ABSTRACT

Background: Intraoperative mortality is now rare, but death within 30 days of surgery remains surprisingly common. Perioperative myocardial infarction is associated with a remarkably high mortality. There are strong associations between hypotension and myocardial injury, myocardial infarction, renal injury, and death. Perioperative arterial blood pressure management was thus the basis of a Perioperative Quality Initiative consensus‐building conference held in London in July 2017. Methods: The meeting featured a modified Delphi process in which groups addressed various aspects of perioperative arterial pressure. Results: Three consensus statements on intraoperative blood pressure were established. 1) Intraoperative mean arterial pressures below 60–70 mm Hg are associated with myocardial injury, acute kidney injury, and death. Injury is a function of hypotension severity and duration. 2) For adult non‐cardiac surgical patients, there is insufficient evidence to recommend a general upper limit of arterial pressure at which therapy should be initiated, although pressures above 160 mm Hg have been associated with myocardial injury and infarction. 3) During cardiac surgery, intraoperative systolic arterial pressure above 140 mm Hg is associated with increased 30 day mortality. Injury is a function of arterial pressure severity and duration. Conclusions: There is increasing evidence that even brief durations of systolic arterial pressure <100 mm Hg and mean arterial pressure <60–70 mm Hg are harmful during non‐cardiac surgery.

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