The Efficacy and Optimal Dose of Sufentanil in Patient Controlled Analgesia After Moderate Surgery
Conditions
- Analgesia, Patient-Controlled
- Gastrectomy
- Arthroplasty
Interventions
- DRUG: Sufentanil
- DRUG: Sufentanil
- DRUG: Sufentanil
- DRUG: Midazolam
- DRUG: propofol
- DRUG: cisatracurium
Sponsor
Second Affiliated Hospital of Xi'an Jiaotong University