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Previous study demonstrated that the condition of central cholinergic nerve is important for the postoperative cognitive dysfunction. In present study investigators hypothesized that the acetylcholine concentration in the cerebral spinal fluid is associated to the postoperative cognitive changes in aged patients undergoing osteopathic surgery.
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| Measure | Description | Time Frame |
|---|---|---|
| Short-term postoperative cognitive dysfunction rate | The day before surgery and 7 days after surgery (or before leave hospital) | |
| Concentration of Acetylcholine in CSF | During spinal anesthesia | |
| Concentration of choline acetyltransferase in CSF | During spinal anesthesia | |
| Concentration of acetylcholinesterase in CSF | During spinal anesthesia |
| Measure | Description | Time Frame |
|---|---|---|
| Long-term postoperative cognitive dysfunction rate | Two months after surgery |
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Inclusion Criteria:
Exclusion Criteria:
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Aged patients undergoing total knee replacement surgery.
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| Name | Affiliation | Role |
|---|---|---|
| Diansan Su, Dr. | Renji Hospital, School of Medicine, Shanghai Jiaotong University | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Renji hospital, School of Medicine, Shanghai Jiaotong University | Shanghai | Shanghai Municipality | 200127 | China |
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| ID | Term |
|---|---|
| D020370 | Osteoarthritis, Knee |
| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
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Cerebral spinal fluid
| D012216 |
| Rheumatic Diseases |