hypoxemia
Conditions
Interventions
MMAC group:Modified Manual Abdominal Compression
Sham group:Routine management (oxygen via nasal cannula at 3 L/min)
Sponsors
The First Affiliated Hospital of Soochow University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Age 18–80 years; 2. Scheduled for elective gastrointestinal endoscopy; 3. American Society of Anesthesiologists (ASA) physical status classification I–III; 4. Voluntarily signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Contraindications to abdominal compression (e.g., pyloric obstruction, reflux esophagitis, abdominal wall hernia, recent abdominal surgery, or severe ascites); 2. Baseline SpO2 < 95%; 3. Severe cardiopulmonary, hepatic, or renal dysfunction; 4. Pregnancy or lactation; 5. Emergency endoscopy; 6. Allergy to propofol, eggs, soybean, or albumin. 7. Other conditions that, in the opinion of the investigator, would make the subject unsuitable for participation in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of SpO2 < 90%; | — |
Secondary
| Measure | Time frame |
|---|---|
| diaphragmatic excursion;Area under the curve for SpO2 < 95%,;Rate of endoscopy interruption/scope withdrawal; | — |
Countries
China
Contacts
Public ContactGuangchao Zhang
The First Affiliated Hospital of Soochow University
Outcome results
None listed