Postoperative Hypoxemia
Conditions
Interventions
0°(S):0° Supine
30°SRP(T):Elevate the head of the bed to 30°
Sponsors
The First Affiliated Hospital of Xi'an Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1.Aged between 18 and 65 years. 2.American Society of Anesthesiologists (ASA) physical status classification I or II. 3.Body Mass Index (BMI) between 18 and 28 kg/m². 4.Scheduled to undergo elective laparoscopic cholecystectomy under endotracheal general anesthesia. 5.Capable of comprehending the study protocol and voluntarily providing written informed consent.
Exclusion criteria
Exclusion criteria: 1.Diaphragmatic dysfunction or neuromuscular disorders. 2.Thoracic deformity. 3.Conditions including pneumothorax, pulmonary tuberculosis, pleural effusion, chronic obstructive pulmonary disease (COPD), asthma, obstructive sleep apnea-hypopnea syndrome (OSAHS), or history of previous pulmonary surgery. 4.Anticipated difficult airway/intubation. 5.Preoperative pulse oximetry (SpO2) reading of < 95% at room air. 6.History of neurological disorders precluding active cooperation or compromising the acquisition of clinical data. 7.Known hypersensitivity or allergic reaction to any of the anesthetic agents to be used in the study. 8.Glaucoma. 9.Pregnancy or lactation. 10.Preoperative severe anemia, defined as hemoglobin (Hb) level < 90 g/L..
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of Postoperative Hypoxemia; | — |
Countries
China
Contacts
Public ContactSong Xiaoyang
Department of Anesthesiology, The First Affiliated Hospital of Xi'an Medical University
Outcome results
None listed