Journal
ANESTHESIA AND ANALGESIA
Volume 129, Issue 5, Pages E150-E154Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1213/ANE.0000000000004179
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Funding
- DREAM Innovation grant from the Duke Anesthesiology department
- National Institutes of Health [T32-GM08600, R03-AG050918, K76-AG057022, R01-HL130443, P30-AI064518]
- International Anesthesia Research Society Mentored Research Award
- Jahnigen Scholars Fellowship award
- American Geriatrics Society
- William L. Young Neuroscience Research Award from the Society for Neuroscience in Anesthesiology and Critical Care
- National Institute on Aging [P30-AG028716]
- Society of Cardiovascular Anesthesiologists/International Anesthesia Research Society starter grant
- [1R01DA043241]
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Animal models suggest postoperative cognitive dysfunction may be caused by brain monocyte influx. To study this in humans, we developed a flow cytometry panel to profile cerebrospinal fluid (CSF) samples collected before and after major noncardiac surgery in 5 patients >= 60 years of age who developed postoperative cognitive dysfunction and 5 matched controls who did not. We detected 12,654 +/- 4895 cells/10 mL of CSF sample (mean +/- SD). Patients who developed postoperative cognitive dysfunction showed an increased CSF monocyte/lymphocyte ratio and monocyte chemoattractant protein 1 receptor downregulation on CSF monocytes 24 hours after surgery. These pilot data demonstrate that CSF flow cytometry can be used to study mechanisms of postoperative neurocognitive dysfunction.
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