| Historical versions | Registration number | Public title | Type | Registration time |
|---|---|---|---|---|
| Historical Versions | ChiCTR2400089192 |
Effects of percutaneous vagus nerve stimulation and peripheral sternal and cryptogenic nerve block on postoperative chronic pain in elderly patients undergoing coronary artery bypass surgery: A randomized, controlled, 2×2 factorial analysis
The Second Hospital of Hebei Medical University |
Interventional study | 2024/09/03 |
| Historical Versions | ChiCTR2300079246 |
Correlation and influencing factors between anxiety state and perioperative neurocognitive impairment in elderly patients undergoing coronary artery bypass surgery
The Second Hospital of Hebei Medical University |
Observational study | 2023/12/28 |
| Historical Versions | ChiCTR2200061124 |
The use of esketamine in endobronchial ultrasound?guided transbronchial needle aspiration
The Second Hospital of Hebei Medical University |
Interventional study | 2022/06/15 |