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The purpose of this study is to observe whether the electroacupuncture (EA) preconditioning for five days before operation can improve the outcomes of patients with coronary heart disease undergoing geriatric non-cardiac surgery.
BACKGROUND:
With the development of surgical techniques, more and more people with coronary heart disease underwent non-cardiac surgery, which include abdominal, urologic, orthopedic surgeries. Due to the vulnerable heart function, geriatric patients suffer high incidence of cardiovascular events during the peri-operative period. Some studies found that EA preconditioning have a protective effect for the patients underwent Cardiac surgery. But non one addresses the effects of EA preconditioning on the outcomes of the patients with coronary heart disease who undergo non-cardiac surgery.
DESIGNING:
The patients with coronary heart disease who will receive abdominal surgery will be randomly assigned into EA preconditioning group and control group. The patients in EA preconditioning group was treated at bilateral Neiguan (PC 6)，Lieque (LU 7) and Yunmen (LU 2) with electrical stimulation (5-30 Hz，2．34-6．24 mA，30 min) for 5 consecutive days before surgery．Before operation and before surgery, after surgery, 24h, 72h post surgery, all patients will be subjected to test the serum level of c-reactive protein and Troponin I. The EEG and heart ultrasonic exam will be used to evaluate the condition and function of heart before and after surgery.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| EA preconditioning | Experimental | electroacupuncture five days pre-operation |
|
| Sham EA preconditioning | Sham Comparator | Patients treated with sham EA preconditioning Intervention |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| EA preconditioning | Device | EA preconditioning group was treated at bilateral Neiguan(PC 6)，Lieque(LU 7)and Yunmen(LU 2)with electrical stimulation(5-30 Hz，2．34-6．24 mA，30 min)for 5 consecutive days before surgery |
| Measure | Description | Time Frame |
|---|---|---|
| The change of myocardial ischemic injury markers,including serum level of c-reactive protein and Troponin I | to observe the change of the level of multiple myocardial ischemic injury markers at the different time points. | 10 minutes before EA, 10 minutes pre-operation,the day of post-operation, 24hours post-operation, 72 hours post-operation |
| Measure | Description | Time Frame |
|---|---|---|
| The change of ST segment of EEG at different time points | 10 minutes before EA, 10 minutes pre-operation,the day of post-operation, 24hours post-operation, 72 hours post-operation | |
| Cardiac ultrasonic scan | be aware of cardiac function |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Shaoyang Chen, M.D. | Xijing Hospital, the Fourth Military Medical University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Xijing hospital | Recruiting | Xi'an | Shannxi | 710032 | China |
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| ID | Term |
|---|---|
| D003327 | Coronary Disease |
| ID | Term |
|---|---|
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D014652 | Vascular Diseases |
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|
| sham EA preconditioning | Device | Patients in Sham EA preconditioning group was treated at bilateral Neiguan(PC 6)，Lieque(LU 7)and Yunmen(LU 2)without electrical stimulation(5-30 Hz，2．34-6．24 mA，30 min)for 5 consecutive days before surgery |
|
| five days pre-operation , five days post-operation |