Planned for early pregnancy termination
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients included were those aged 20-40 years, with a Body Mass Index (BMI) 18-25 kg/m2, and American Society of Anesthesiologists (ASA) grade I or II.
Exclusion criteria
Exclusion criteria: 1. with a history of severe heart, lung, brain, liver, and kidney diseases; 2. allergy to the anesthetic drugs propofol or alfentanil; 3. with a history of long-term use of analgesic drugs; 4. with a history of Sleep Apnea Hypopnea Syndrome or difficult airway; 5. with a history of acute respiratory infection in the past week; 6. cognitive dysfunction caused by various reasons, and those who were unable to communicate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| ED50 and ED95 of alfentanil in inhibiting motor responses of patients undergoing painless abortion; | — |
Secondary
| Measure | Time frame |
|---|---|
| Total amount of propofol;Recovery time;The patient's satisfaction; | — |
Countries
China
Contacts
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology