Whether Dexmedetomidine Can Improve the Prognosis of Elderly Patients With Postoperative Cognitive Dysfunction
Conditions
- Postoperative Cognitive Dysfunction
- Postoperative Delirium
Interventions
- DRUG: Dexmedetomidine
- DRUG: Sufentanyl
- DRUG: Saline
Sponsor
Zhejiang Cancer Hospital