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As the investigators know, postoperative cognitive dysfunction (POCD) is a fairly well-documented clinical phenomenon, which affect patients' short-term and long-term outcome. Most patients will receive general anesthesia and cardiopulmonary bypass (CPB) during cardiac valvular surgery. Inhalation sevoflurane based and propofol based anesthesia are most commonly used strategy for general anesthesia. At present, it was unknown that which one is better in providing cerebral protection effect for patients undergoing cardiac valvular surgery with CPB. The current study aimed to explore the possible difference.
The investigators hypothesize that the incidence of postoperative cognitive dysfunction (POCD) is not different in patients received intravenous anesthetics propofol or sevoflurane for their cardiac valvular surgery. Two groups of general anesthetics (propofol or sevoflurane) are used to explore the possible difference of the postoperative outcome and the incidence of POCD. After cardiac valvular surgery with CPB, patients' POCD tests at 7 days after the surgery, and postoperative delirium, etc., are evaluated by different questionnaires. Also the blood sample of these patients are collected for detection of some stress hormones.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Sevoflurane | Experimental | Maintenance of anesthesia with sevoflurane during the cardiac valvular surgery. |
|
| Propofol | Active Comparator | Maintenance of anesthesia propofol during the cardiac valvular surgery. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| sevoflurane | Drug |
| ||
| propofol |
| Measure | Description | Time Frame |
|---|---|---|
| Number of patients with postoperative cognitive dysfunction (POCD) | POCD is a composite outcome measure | From 7 days after the surgery to the day of discharge from hospital |
| Measure | Description | Time Frame |
|---|---|---|
| Postoperative delirium (POD) | POD is evaluated by a commonly used questionnaire | Up to 7 days after the surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Degree of increase of stress hormones | Stress hormones include S-100β, Il-6, etc. | Up to 24 hours after the surgery |
| Length of ICU stay | The time for patient stay in ICU |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Hong Li, M.D. | Department of Anesthesiology, Xinqiao Hospital, Third Military Medical University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Xinan Hospital, Third Military Medical University | Chongqing | Chongqing Municipality | 400037 | China | ||
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| ID | Term |
|---|---|
| D000079690 | Postoperative Cognitive Complications |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D060825 | Cognitive Dysfunction |
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| ID | Term |
|---|---|
| D000077149 | Sevoflurane |
| D015742 | Propofol |
| ID | Term |
|---|---|
| D008738 | Methyl Ethers |
| D004987 | Ethers |
| D009930 | Organic Chemicals |
| D006845 | Hydrocarbons, Fluorinated |
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|
| Up to 7 days after the surgery |
| Length of hospital stay | The time for patient stay in hospital | Up to 3 months after the surgery |
| Xinqiao Hospital, Third Military Medical University |
| Chongqing |
| Chongqing Municipality |
| 400037 |
| China |
| Daping Hospital, Third Military Medical University | Chongqing | Chongqing Municipality | 400042 | China |
| D003072 | Cognition Disorders |
| D019965 | Neurocognitive Disorders |
| D001523 | Mental Disorders |
| D006846 |
| Hydrocarbons, Halogenated |
| D006838 | Hydrocarbons |
| D010636 | Phenols |
| D001555 | Benzene Derivatives |
| D006841 | Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |