The Comparison of Sugammadex and Conventional Cholinesterase Inhibitor on the Aspect of Postoperative Delirium in the Elderly Patients Undergoing Hip Surgery

Study population The medical records of patients undergoing hip surgery under general anaesthesia with neuromuscular blocking agents at Konkuk University Medical Center from February 2012 to August 2014 review.

The patients were divided according to use (S group) or not (C group) of sugammadex for recovery from neuromuscular blocking agent.

exclusion criteria

1. age < 60 years
2. preoperative neurologic or psychological problem including dementia, Parkinson's disease or delirium
3. other concurrent surgery.

Assessment of postoperative delirium Evaluation of postoperative delirium was done in the general ward or in the ICU by the responsible surgeon using commonly accepted delirium symptoms in addition to the confusion assessment method (CAM) rating for delirium. Delirium symptoms were defined as the presence of any of the following: acute onset and fluctuating symptoms; inattention; speech disorganization; level of consciousness change; disorientation; memory impairment; perceptual disturbance; abnormal psychomotor activity; and altered sleep wake cycle. Incidence of postoperative delirium assess by medical records review.