Efficacy of short-term, low-dose oral olanzapine at reducing perioperative anxiety, pain, and enhancing recovery in patients undergoing primary total joint arthroplasty.

Short-term, low-dose oral olanzapine can reduce perioperative anxiety, sleep disorder and mitigate postoperative pain in anxious patients undergoing primary THA or TKA. In those undergoing THA, it can also enhance hip functional recovery.