Effect of the Peak Inspiratory Pressure and Facial Mask Holding Techniques on the Gastric Insufflation During Positive Pressure Ventilation With Facemask in Obese Adults
试验速览
- 阶段
- 不适用
- 入组人数
- 78
- 主要终点
- Presence of gastric insufflation in the epigastric region
研究概览
简要总结
Effect of peak inspiratory pressure on the gastric insufflation is evaluated using ultrasonography during face mask ventilation in obese adults. Effect of facial mask holding techniques on the gastric insufflation is also evaluated.
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Sequential
- 主要目的
- Prevention
- 盲法
- Single (Participant)
入排标准
- 年龄范围
- 20 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Patients with body mass index ≥ 30 kg/m2 who are scheduled for general anesthesia
排除标准
- •Risk of delayed gastric emptying or gastroesophageal reflux (gastroesophageal reflux disease, achalasia, history of stomach surgery, gastrointestinal obstruction, uncontrolled DM)
- •Pregnancy
- •Known or predicted difficult airway
研究组 & 干预措施
C-E Mask ventilation under PIP 10 cmH2O
Two-handed C-E technique is performed during face mask ventilation using a mechanical ventilator with a peak inspiratory pressure of 10 cmH2O.
干预措施: ultrasound examination of air insufflation in the upper esophageal region and stomach (Diagnostic Test)
C-E Mask ventilation under PIP 15 cmH2O
Two-handed C-E technique is performed during face mask ventilation using a mechanical ventilator with a peak inspiratory pressure of 15 cmH2O.
干预措施: ultrasound examination of air insufflation in the upper esophageal region and stomach (Diagnostic Test)
C-E Mask ventilation under PIP 20 cmH2O
Two-handed C-E technique is performed during face mask ventilation using a mechanical ventilator with a peak inspiratory pressure of 20 cmH2O.
干预措施: ultrasound examination of air insufflation in the upper esophageal region and stomach (Diagnostic Test)
V-E Mask ventilation under PIP 10 cmH2O
Two-handed V-E technique is performed during face mask ventilation using a mechanical ventilator with a peak inspiratory pressure of 10 cmH2O.
干预措施: ultrasound examination of air insufflation in the upper esophageal region and stomach (Diagnostic Test)
V-E Mask ventilation under PIP 15 cmH2O
Two-handed V-E technique is performed during face mask ventilation using a mechanical ventilator with a peak inspiratory pressure of 15 cmH2O.
干预措施: ultrasound examination of air insufflation in the upper esophageal region and stomach (Diagnostic Test)
V-E Mask ventilation under PIP 20 cmH2O
Two-handed V-E technique is performed during face mask ventilation using a mechanical ventilator with a peak inspiratory pressure of 20 cmH2O.
干预措施: ultrasound examination of air insufflation in the upper esophageal region and stomach (Diagnostic Test)
结局指标
主要结局
Presence of gastric insufflation in the epigastric region
时间窗: During anesthesia induction
Under ultrasound, air signal is assessed in the epigastric region
次要结局
- Expiratory tidal volume(During anesthesia induction)
- Cross-sectional area of the antral cross-sectional area(During anesthesia induction)
- Presence of gastric insufflation in the upper esophageal region(During anesthesia induction)
研究者
Jin-Young Hwang
Associate professor
SMG-SNU Boramae Medical Center