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This study evaluate the cognitive functions of patient after hip or kneel replacement.Half of the patient will receive transcutaneous vagus nerve electrical stimulation during the surgery while the other half will get placebo therapy
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| experiment group | Experimental |
| |
| control group | No Intervention |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| transcutaneous vagus nerve electric stimulator | Device | The stimulator that can be attached to ears of the patient.We suppose that this device can reduce the incidence of perioperative neurocognitive disorders(PND) |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of perioperative neurocognitive disorders | make different scale before and after operation to evaluate neurocognitive changes in experiment group and control group. | one month |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Diansan Su | Contact | +862168383702 | diansansu@yahoo.com | |
| Yichen Fan | Contact | +86 13482827569 | mcking95@126.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Diansan Su | Shanghai | Shanghai Municipality | 200127 | China |
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| ID | Term |
|---|---|
| D060825 | Cognitive Dysfunction |
| D000079690 | Postoperative Cognitive Complications |
| ID | Term |
|---|---|
| D003072 | Cognition Disorders |
| D019965 | Neurocognitive Disorders |
| D001523 | Mental Disorders |
| D011183 | Postoperative Complications |
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| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |