Eligibility criteria
allergic, mean arterial blood pressure, hypotension, metabolic illness, hypotensive, visual or auditory dysfunction
HYPOTENSIVE, NEURODEGENERATIVE DISORDER
The study included American Society of Anesthesiologists I, II (ASA I, II) patients who were candidate for septoplasty. The age range was between 20 and 50 years. The following patients were excluded from the study: patients who developed intraoperative hypotension with mean arterial blood pressure (MAP) less than 60 mmHg, patients with a history of neurodegenerative disorder, patients with a concomitant medical or metabolic illness known to affect cognition, patients with visual or auditory dysfunction that might affect their ability to respond to cognitive assessment, and patients who were allergic to any of the anesthetic or hypotensive drugs used in the study.