In this study we wanted to determine if perioperative administration of olanzapine prior to knee or hip replacement surgery in high risk patients would prevent the onset of postoperative delirium.
Postoperative delirium is a serious and common (20% to 60%) complication in orthopedic surgery patients. In this study we investigate whether prophylactic administration of olanzapine can prevent delirium from occurring after knee or hip replacement in high-risk patients \> 65 years of age. This is a randomized, double-blind, single center, placebo-controlled study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
495
5 mg preoperative and 5mg postoperative prior to discharge to inpatient nursing floor
placebo administered preoperatively and postoperatively prior to discharge to inpatient nursing floor
New England Baptist Hospital
Boston, Massachusetts, United States
incidence of delirium
Time frame: days in hospital
Complications, length of stay, hospital costs
Time frame: days
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