None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Elective total hip replacement surgery requiring tracheal intubation; 2. Aged 65-75 years, no gender limit; 3. BMI 18-30kg/m^2; 4. ASA classification II or III; 5. Vital signs: respiratory frequency >=10 and =95% when breathing air; systolic blood pressure (SBP) >=90mmHg and =60mmHg and =55 and <=100 beats/min.
Exclusion criteria
Exclusion criteria: 1. Those who have general anesthesia contraindications or have a history of anesthesia accidents in the past; 2. Known or suspected allergies or contraindications to propofol injection, cyclopofol injection excipients, benzodiazepines, opioids, muscle relaxants, etc.; 3. Patients with acute upper respiratory tract infection, asthma attack or acute severe throat disease; 4. Have a history of gastrointestinal diseases: gastrointestinal retention, active bleeding, possible reflux and aspiration, etc.; 5. Combined with history of brain loss, intracranial hypertension, stroke, cerebrovascular accident, etc.; 6. Respiratory insufficiency, obstructive lung disease, difficult airway, or difficulty in tracheal intubation (modified Markov score is III or IV); 7. Uncontrolled hypertension, hypotension and diabetes; 8. Severe arrhythmia, heart failure, unstable angina, myocardial infarction, etc.; 9. Severe liver dysfunction or severe renal insufficiency; 10. History of alcohol abuse or drug dependence; 11. Abuse or long-term use of narcotic, sedative, and analgesic drugs; 12. Those who have a history of mental illness; 13. Those who have participated in any drug clinical trial within the previous month; 14. The investigator believes that there are any other patients who are not suitable to participate in this trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The onset time of Ciprofol or Propofol; | — |
Countries
China
Contacts
Changzhou Hospital of Traditional Chinese Medicine