Status:
COMPLETED
Safe Time for Apnea After Preoxygenation
Lead Sponsor:
Sixth Affiliated Hospital, Sun Yat-sen University
Conditions:
Anesthesia, General
Eligibility:
All Genders
18-60 years
Phase:
NA
Brief Summary
The use of 100% oxygen during the induction of general anesthesia is always preferable to have enough time to secure the airway by endotracheal intubation, because preoxygenation with a low oxygen con...
Detailed Description
We decide to add 3 groups (80%, 60%, and 40% oxygen) in our study to fully evaluate the safety of preoxygenation with different oxygen concentration. Zijia Li 2018.3.2
Eligibility Criteria
Inclusion
- Nonsmoking patients aged 18 years to 60 years
- Undergoing general anesthesia for elective surgery
- Pulse oxygen saturation ≥95% when breathing air quietly in bed
- American Society of Anesthesiologists(ASA) physical status class I-II
- Informed consent can be obtained
Exclusion
- A suspected difficult airway
- Be allergic to midazolam, propofol , fentanyl or Cisatracurium
- Severe disease of respiratory system or cardiovascular system,or obstruction of the digestive tract
- Oxygen reserve is suspected low,or patient who does not tolerate hypoxemia well
- A history of mental disorder or patient who can not collaborate well
- Body mass index more than 30 kg/㎡
Key Trial Info
Start Date :
August 1 2017
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
December 30 2017
Estimated Enrollment :
90 Patients enrolled
Trial Details
Trial ID
NCT03239678
Start Date
August 1 2017
End Date
December 30 2017
Last Update
November 29 2022
Active Locations (1)
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1
Department of Anesthesia ,the Sixth Affiliated Hospital of Sun Yat-sen University
Guangzhou, Guangdong, China, 510655