Intraoperative hypotension is not associated with postoperative cognitive dysfunction in elderly patients undergoing general anesthesia for surgery: results of a randomized controlled pilot trial.

Study Objective: To assess the effect of different intraoperative blood pressure targets on the development of POCD and test the feasibility of a larger trial.

Design: Randomized controlled pilot trial.

Setting: Perioperative care in a tertiary care teaching hospital with outpatient follow-up.