The Feasibility of Different Doses of Etomidate Admixed With Propofol in Induced Abortion: A Randomized, Double Blind Controlled Trial

To explore the feasibility of different doses of etomidate admixed with propofol in induced abortion: a randomized, double blind controlled trial.

Inclusion Criteria:

• Aged between 20 and 35 years
• American Society of Anesthesiology (ASA) Physical Status: Ⅰ or Ⅱ
• Singleton pregnancy and the gestational period is 6 to 8 weeks
• Expected operation duration is within 60 minutes
• The body weight should be within 15% around the standard weight
• Signed informed consent form

Exclusion Criteria:

• Serious cardiac, cerebral, liver, kidney, lung, endocrine disease
• Upper respiratory infections within 4 weeks
• Long use of hormone or history of adrenal suppression
• History of use of glucocorticoids, aprotinin or immunosuppressant
• Manifestation of immunodeficiency
• History of use of sedatives or opiates
• Needs of Neuromuscular blocker (except intubation)
• Allergy to trial drug or other contraindication
• Pregnant or breast-feeding women
• Attended other trial past 30 days