Comparison of the amount of gas inflated into the stomach according to anesthesia induction method during laparoscopic cholecystectomy: positive pressure ventilation versus apneic oxygenation method
- Conditions
- Diseases of the digestive system
- Registration Number
- KCT0003620
- Lead Sponsor
- Hanyang University Seoul Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 248
American Society of Anesthesiologist(ASA) physical status classification system I - III class
- Patients with over between the ages of 20 and 74
- Body mass index (BMI) less than 30 kg / m2
- Patients who refuse to consent
- Patients who are expected to have difficulty in the endotracheal tube intubation or positive pressure mask
- Patients with severe heart failure or pulmonary disease
- Patients with pulse oximetry less than 92% before induction of anesthesia
- Patients whose pulse oxygen saturation did not increase to 100% even after preoxygenation
- Hemodynamically unstable patient
- Patients who have not fasted more than 8 hours
- pregnant woman
- Patients with history of gastroesophageal reflux, gastric diaphragmatic hernia, esophagectomy, gastric surgery
- Patients with unconscious, cognitive, and psychiatric disorders
- Ultrasound findings before induction of anesthesia suggest that solid food remains or the total area exceeds 10 cm2
Study & Design
- Study Type
- Interventional Study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Gastric antral cross-sectional area by ultrasound before and after anesthesia induction
- Secondary Outcome Measures
Name Time Method The degree of gastric dilatation as determined by the surgeon;The amount of gastric fluid and gas inhaled through the 18G Levin tube.;Pulse oxygen saturation