Why the study?
Does intraoperative arterial hypotension (MAP <55 mm Hg) increase the odds of postoperative delirium in patients undergoing noncardiac surgery?
Does intraoperative arterial hypotension (MAP <55 mm Hg) increase the odds of postoperative delirium in patients undergoing noncardiac surgery?
Intraoperative hypotension (MAP <55 mm Hg) is associated with a duration-dependent increase in postoperative delirium after noncardiac surgery.
May support limiting duration of MAP <55 mm Hg in long noncardiac cases; hypothesis-generating for RCTs on delirium prevention.
In patients undergoing noncardiac surgery, a MAP <55 mm Hg was associated with a duration-dependent increase in odds of postoperative delirium. This association was magnified in patients who underwent surgery of long duration.
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Wachtendorf et al. (2021) studied this question.
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