aryngoscope-Bougie Guided i-gel Insertion in Difficult Airways: A Feasibility Trial

The Canberra Hospital0 个研究点目标入组 30 人开始时间: 2023年11月30日最近更新: 2023年12月12日

试验速览

暂无简介。

•1.Elective non-head and neck surgery in the supine position
•2.Body Mass Index greater than 30 kg/m2
•3.Age greater than or equal to 18 years old
•At least 1 of the following:
•1.Poor dentition, defined as partial dentures, loose, or broken teeth.
•2.Reduced cervical spine range of motion, defined as less than 90° of flexion or less than 70° of extension.
•3.Thyromental distance less than 6cm.
•4.Limited mandibular protrusion or retrognathia: defined as ability to protrude upper incisors no further than being in line with the lower incisors.

•1.Procedures where paralysis is necessary to facilitate surgery.
•2.Anticipated surgery duration of greater than 2 hours.
•3.Patients at high risk of aspiration:
•3a. Unfasted as per American Society of Anaesthesiologists: nil clear liquids for greater than 2 hours, toast greater than 6 hours, meat or fried/fatty foods greater than 8 hours.
•3b. Active gastroesophageal reflux symptoms despite fasting and/or pharmacological treatment, defined as: belching, dyspepsia, or heartburn.
•3c. Bowel obstruction or haematemesis
•4.Known distorted airway anatomy (for example from imaging or a documented history)
•5.Sore throat on day of surgery or known structural oesophageal disease.
•6.Severe ventilatory disease confirmed by spirometry: Forced expiratory volume in one second of less than 50% of predicted
•7.History of inability to bag mask ventilation (with or without oropharyngeal or nasopharyngeal device, and/or positive end expiratory pressure)
•8.History of documented difficult intubation or a Cormack-Lehane laryngoscopy score of IIIa or above.

发起方