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.
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.
Wachtendorf et al. (Mon,) studied this question.