airway ventilation
Conditions
Interventions
common tracheal tube:supply oxygen by T-tube with the other end connecting to anesthesia machine and oxygen flow closed
tracheal gas insufflation:anesthesia machine’s oxygen flow closed, and oxygen being supplied by a slim hollow tube set in the tracheal tube via an extension tube, connecting to oxygen humidification b
oxygen supply tracheal?tube:anesthesia machine’s oxygen flow closed, and oxygen being supplied by oxygen supply tracheal?tube connecting tooxygen humidification bottle
Sponsors
Shanghai Pudong Hospital;Fudan University Pudong Medical Center
Eligibility
Sex/Gender
All
Age
25 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1. ASA Grade I-II; 2. Aged 25-60 years; 3. Body fat percentage: Male 10%-18%; Female 17%-25%; 4. BMI 18.5-24.9, Weight 50kg-70kg.
Exclusion criteria
Exclusion criteria: (1) Having pulmonary disease history such as asthma, chronic bronchitis; (2) Having thoracic or pulmonary history; (3) Smokers abstaining for less than four weeks before surgery; (4) Patients with non- regular treatment of hypertensive or poor control hypertensive.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| airway parameters;vital signs; | — |
Countries
China
Contacts
Public ContactZhanfang Li
Shanghai Pudong Hospital; Fudan University Pudong Medical Center
Outcome results
None listed