Does the use of a laryngoscope and bougie increase i-gel insertion success in patients with difficult airway features.

Not Applicable

• Conditions: Airway features difficult for supraglottic device insertion; Anaesthesiology - Anaesthetics; Emergency medicine - Other emergency care

• Registration Number: ACTRN12623001232628
• Lead Sponsor: The Canberra Hospital

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2023-11-30
• Last Update Posted: 12 December 2023

Recruitment & Eligibility

• Status: ot yet recruiting
• Sex: All
• Target Recruitment: 30

Inclusion Criteria

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.

Exclusion Criteria

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.

Study & Design

• Study Type: Interventional
• Study Design: Not specified