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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

Comparison of the amount of gastric insufflation and surgical view according to the anesthesia induction method for laparoscopic cholecystectomy: positive pressure mask ventilation versus apneic oxygenation method

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0003620
Enrollment
248
Registered
2019-03-13
Start date
2019-08-01
Completion date
Unknown
Last updated
2022-04-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Procedure/Surgery : In the control group, oxygen is applied for only 1 minute at a flow rate of 6 L / min through facial mask without positive pressure mask ventilation after the neuromuscular blockin

Sponsors

Hanyang University Seoul Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - 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

Exclusion criteria

Exclusion criteria: - 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

Design outcomes

Primary

MeasureTime frame
Gastric antral cross-sectional area by ultrasound before and after anesthesia induction

Secondary

MeasureTime frame
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

Countries

Korea, Republic of

Contacts

Public ContactHyunyoung Lim

Hanyang University Seoul Hospital

zemma0512@gmail.com+82-2-2290-8680

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 10, 2026