hypoxemia
Conditions
Interventions
Control Group:Jaw Thrust Maneuver:
Place both hands behind the mandibular angles on either side of the face, then lift and pull the mandible upward and forward to open the airway. Maintain this positi
Test Group:Combined Intervention of Jaw Thrust + Abdominal Compression
Sponsors
The Second Affiliated Hospital of University of South China
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18–65 years, regardless of gender; 2. American Society of Anesthesiologists (ASA) Physical Status Classification Grade I–II; 3. Scheduled for elective painless gastroscopy and to receive intravenous anesthesia; 4. Development of hypoxemia (SpO2 =10 seconds) during gastroscopy; 5. Voluntarily signing the informed consent form and having good compliance.
Exclusion criteria
Exclusion criteria: 1. Patients with relative contraindications to digestive endoscopy anesthesia (e.g., ASA Physical Status Classification Grade ? or above; vital organ dysfunction such as recent myocardial infarction or cerebral infarction, severe heart block, malignant arrhythmia, decompensated vital organ function; status asthmaticus; severe pulmonary infection or upper respiratory tract infection; gastrointestinal retention, reflux, or obstruction, etc.); 2. Severe cardiopulmonary dysfunction (e.g., heart failure, chronic obstructive pulmonary disease [COPD], patients requiring oxygen supplementation); 3. Baseline SpO2 = 35 kg/m² (or recorded for subgroup analysis); 9. Emergency gastroscopy or interrupted gastroscopy procedure.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time required for SpO? to recover to >= 95%; | — |
Secondary
| Measure | Time frame |
|---|---|
| Minimum SpO2 Value (%);Average SpO2 Value Within 1 Minute After Intervention;Failure Rate of Hypoxia Correction (Proportion Requiring Endoscope Withdrawal or Mask Ventilation);Examination Interruption Rate;Total Propofol Dosage (mg);Recovery Time (minutes); | — |
Countries
China
Contacts
Public ContactYang Yi
The Second Affiliated Hospital of University of South China
Outcome results
None listed