Does Optimized General Anesthesia Care Reduce Postoperative Delirium?
| Status: | Recruiting |
|---|---|
| Conditions: | Hospital, Neurology, Orthopedic, Psychiatric |
| Therapuetic Areas: | Neurology, Psychiatry / Psychology, Orthopedics / Podiatry, Other |
| Healthy: | No |
| Age Range: | 65 - Any |
| Updated: | 6/2/2017 |
| Start Date: | June 2015 |
| End Date: | June 2018 |
| Contact: | Terri G Monk, MD |
| Email: | monkt@health.missouri.edu |
| Phone: | 5738822568 |
Does Optimized General Anesthesia Care Reduce Postoperative Delirium In Older Patients Undergoing Hip Fracture Repair?
Postoperative delirium occurs in up to 65% of elders undergoing surgery for repair of a hip
fracture and this complication is independently associated with increased morbidity,
mortality, length of hospital stay, and placement in long-term care institutions. To date,
the only intervention shown to be effective at minimizing postoperative delirium is a
proactive geriatric consultation. This prospective randomized clinical trial will randomize
160 adults, aged 65 years or older, to either optimized general anesthesia or usual general
anesthesia care for hip fracture surgery to determine if the optimized anesthesia management
reduces the severity of postoperative delirium.
fracture and this complication is independently associated with increased morbidity,
mortality, length of hospital stay, and placement in long-term care institutions. To date,
the only intervention shown to be effective at minimizing postoperative delirium is a
proactive geriatric consultation. This prospective randomized clinical trial will randomize
160 adults, aged 65 years or older, to either optimized general anesthesia or usual general
anesthesia care for hip fracture surgery to determine if the optimized anesthesia management
reduces the severity of postoperative delirium.
Subjects will be randomized to one of two intraoperative anesthesia treatment groups: 1.)
Usual care - the anesthetic management will be at the discretion of the anesthesia provider;
or 1.) Optimal care - the intraoperative depth of anesthesia will be directed using a BIS
monitor, blood pressure will be maintained within 20% of preoperative levels, and cerebral
oxygenation will be maintained > 60% during anesthesia. Subjects will be evaluated using the
Confusion Assessment Method (CAM) for the first 5 postoperative days to determine if they
experience postoperative delirium.
Usual care - the anesthetic management will be at the discretion of the anesthesia provider;
or 1.) Optimal care - the intraoperative depth of anesthesia will be directed using a BIS
monitor, blood pressure will be maintained within 20% of preoperative levels, and cerebral
oxygenation will be maintained > 60% during anesthesia. Subjects will be evaluated using the
Confusion Assessment Method (CAM) for the first 5 postoperative days to determine if they
experience postoperative delirium.
Inclusion Criteria:
- Subject or legal representative has voluntarily signed the informed consent approved
by the Institutional Review Board,
- Hip fracture surgery scheduled under general anesthesia
- Subject is 65 years or older on the day of surgery
Exclusion Criteria:
- Inability to follow directions or comprehend the English language
- Severe uncorrected visual or auditory handicaps
- Delirium at screening or baseline
- Emergency surgery
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