Cardiac surgery
Conditions
Interventions
experimental group:the tourniquet preattached to the right upper arm was inflated, and the inflation pressure was kept at 200mmHg or 50mmHg higher than the patient's basic blood pressure for 5 minutes
control group:The tourniquet was fastened to the right upper limb in the same RIPC group, but it was not inflated or deflated.
Sponsors
Zhongshan Hospital Affiliated to Fudan University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aortic valve, mitral valve, tricuspid valve, ascending aortic disease, coronary atherosclerosis, admission. Patients undergoing elective valve repair, replacement, artificial vascular replacement or coronary artery bypass grafting. 2. Aged 18-80 years. 3. No restriction on gender. 4. ASA grade II~III. 5. NYHAII~III level. 6. The patient or his family member has signed the informed consent form for the clinical trial.
Exclusion criteria
Exclusion criteria: 1. Those who are disabled in the selected test. 2. Less than 5 years of education. 3. The preoperative left ventricular ejection fraction (LVEF) was less than 40%. 4. Myocardial infarction occurred in nearly one month. 5. Malignant tumor, hematological disease, severe liver and kidney dysfunction, recent severe infection, etc. 6. History of nervous system, immune system and mental illness. 7. Recent operation history of heart, brain, lung, liver, kidney and other important organs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of postoperative delirium;Incidence of postoperative acute renal injury; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative ventilator assisted ventilation time;Postoperative ICU hospitalization time;Total postoperative hospital stay; | — |
Countries
China
Contacts
Public ContactGuo Kefang
Zhongshan Hospital Affiliated to Fudan University
Outcome results
None listed