ACTRN12619001446156已完成未知
A prospective, randomised, interventional, crossover, pilot study to assess whether bag mask ventilation in the presence of a Switching Interface is acceptable to anaesthetists.
试验速览
- 阶段
- 未知
- 状态
- 已完成
- 入组人数
- 49
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomised controlled trial
- 主要目的
- Treatment
- 盲法
- Open (masking not used)
入排标准
- 年龄范围
- 18 Years 至 o limit（—）
- 性别
- All
入选标准
- •1) Provide written informed consent.
- •2) Having elective surgery under general anaesthesia with intravenous induction in an
- •operating room with a participating anaesthetist..
- •3) BMI must be less than 35 kgm-2.
排除标准
- •1) Patients in whom CPAP is contraindicated (e.g. pneumothorax, bullous lung disease, craniofacial trauma, airway, foreign body, unstable haemodynamics)
- •2) Pre-existing nasal obstruction.
- •3) Pre-existing hypoxaemia (Oxygen Saturation less than or equal to 89%).
- •4) Known cyanotic congenital heart disease.
- •5) Patients undergoing induction with volatile anaesthetics.
- •6) Patients undergoing caesarean section.
- •7) Bleeding in the nose or oropharynx.
- •8) Patients requiring preoperative oxygen therapy secondary to chronic lung disease.
- •9) Uncontrolled cardiac arrhythmias.
- •10) Uncontrolled heart failure.
- •11) Patients with known allergies to anaesthetic agents.
- •12) Severe hypertension (diastolic blood pressure greater than 120 mmHg).
- •13) Patients with unstable angina or a recent ( 6 or fewer months) myocardial infarction.
- •14) Current pulmonary embolism.
- •15) Symptomatic severe aortic stenosis.
- •16) Patients in whom a high FiO2 is contradicted (e.g. patients treated with Bleomycin).
- •17) Patients undergoing procedures with electrocautery or lasers.
- •18) Patients at risk of aspiration including those who are not fasted or those undergoing rapid sequence induction.
- •19) Patients where bag mask ventilation is not possible.
- •20) Patients with oesophageal reflux disease
研究者
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