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Neuropsychologic testing within 18 hours after cardiac surgery
B S Silbert1, D A Scott, T J Doyle
1Department of Anaesthesia, St. Vincent's Hospital, Melbourne, Australia.
Journal of Cardiothoracic and Vascular Anesthesia
|March 20, 2001
Summary
Early neuropsychologic testing after cardiac surgery is feasible. Cognitive deficits were observed in 30% of patients at 18 hours post-surgery, decreasing to 10% by day 5.
Area of Science:
- Neuroscience
- Cardiology
- Anesthesiology
Background:
- Cardiac surgery can impact cognitive function.
- Fast-track anesthesia aims for rapid recovery.
- Early assessment of cognitive changes is valuable.
Purpose of the Study:
- To evaluate the feasibility of early neuropsychologic testing after cardiac surgery using fast-track anesthesia.
- To assess cognitive function within 18 hours post-operation.
Main Methods:
- Prospective study at a single university hospital.
- Fifty patients undergoing elective coronary artery surgery were included.
- Neuropsychologic testing administered preoperatively, 18 hours post-op, and 5 days post-op.
Main Results:
- 30 patients completed the testing protocol.
- 30% of patients showed cognitive deficits in at least two tests at 18 hours post-surgery.
- 10% of patients still exhibited deficits at 5 days post-surgery.
Conclusions:
- Early postoperative neuropsychologic testing is possible even with fast-track anesthesia.
- Testing can help define the timeline of cognitive decline after cardiac surgery.
- Further research can refine understanding of cognitive outcomes.