laparoscopic surgery
Conditions
Interventions
A group:The patients were mechanically ventilated with 5cmH2O PEEP according to the tidal volume of 4ml / kg after tracheal intubation under general anesthesia.
B group:The patients were mechanically ventilated with 5cmH2O PEEP according to the tidal volume of 5ml / kg after tracheal intubation under general anesthesia.
C group:The patients were mechanically ventilated with 5cmH2O PEEP according to the tidal volume of 6ml / kg after tracheal intubation under general anesthesia.
Sponsors
The First Affiliated Hospital of Gannan Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 65 years old, gender unlimited ; 2. Body mass index 18.5-27.9 kg/m^2 ; 3. ASA I-III; 4. Patients undergoing laparoscopic surgery under general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Those who refuse to participate in this experiment; 2. Important organ dysfunction; 3. Mentally abnormal or other reasons are not easy to cooperate; 4. History of pneumonia, tuberculosis, chronic bronchitis, chronic obstructive pulmonary disease, bronchial asthma and airway hyperresponsiveness. 5. Combined with anemia, heart failure, liver and kidney dysfunction, pulmonary infection, fever or other systemic diseases under treatment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| blood gas analysis results;Respiratory dynamics parameters;Incidence of postoperative atelectasis; | — |
Secondary
| Measure | Time frame |
|---|---|
| time for tube extraction;Duration of stay in anesthesia recovery room;Incidence of hypoxemia during mechanical ventilation;Incidence of hypercapnia during mechanical ventilation;The duration of carbon dioxide pneumoperitoneum;duration of anesthesia;surgical duration; | — |
Countries
China
Contacts
Public ContactLi Chen
The First Affiliated Hospital of Gannan Medical University
Outcome results
None listed