early pregnancy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Having the indications of painless induced abortion and tolerance, American Society of Anesthesiologists (ASA) grade I and II, age 18-45 years, 18 kg/m^2=BMI<30 kg/m^2, normal blood routine, coagulation function, liver and kidney function and electrocardiogram.
Exclusion criteria
Exclusion criteria: Previous history of allergy to narcotic drugs, contraindicated evidence; Patients with severe organ dysfunction such as heart, liver and kidney; People with a history of chronic pain and long-term use of opioids; People with speech, hearing and mental disabilities; Patients deemed unsuitable for clinical study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate of anesthesia;Perioperative adverse event rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| mean arterial pressure;Induction time of anesthesia;Operation time;Recovery time of anesthesia;Total drug dosage;Blood loss of operative;post-operative contraction pain;satisfaction of surgeons and patients; | — |
Countries
China
Contacts
Second affiliated hospital of Shantou university medical college