Fibre-optic Guided Tracheal Intubation Through SADs

Status Completed

Clinical Trial Summary

The study aims to establish which of the two second generation Supraglottic Airway Devices, the I-gel or the the laryngeal ask airway (LMA) Protector, is best suited to be used as a conduit to fibreoptic bronchoscope assisted tracheal intubation. The primary outcome of this will be the time to complete the tracheal intubation.

Clinical Trial Description

Tracheal intubation through a supraglottic airway device (SAD) is a well-established technique in the management of patients with a difficult airway. The technique can be used in patients in whom difficult intubation is expected, or in situations when tracheal intubation using another method was not possible. It is now recommended that tracheal intubation through the SAD should be performed using a fibreoptic scope (a camera device) to minimise the risk of trauma to the airway, and that second generation SADs are used to minimise the risk of aspiration of gastric contents.

There are two second generation SADs currently available which allow tracheal intubation: the I-gel and the LMA protector.

The I-gel is a second generation supraglottic airway device widely used in anaesthesia and resuscitation. Fibreoptic intubation through the I-gel has been evaluated in a recent prospective study (1), with the first attempt success rate of 91.4%. In another study (2) of patients with predicted difficult airway, the success rate of the procedure at first attempt was 96%.

LMA Protector is a recently introduced, improved version the LMA supreme - another second generation SAD. LMA supreme has been used in clinical practice for more than 10 years, however, tracheal intubation through the device was extremely difficult because of the small size of the breathing channel. The LMA Protector, has a larger breathing channel allowing the passage of an endotracheal tube. Compared to the I-gel, is has also got a larger gastric drainage tube. This allows easy suction in the event of regurgitation. Therefore, it appears to be superior to the I-gel in preventing the aspiration. But there are no studies comparing the ease of intubation through I-gel and LMA Protector

The aim of this study is to compare the ease of performing the fibreoptic guided tracheal intubation through these two devices. Our hypothesis is that intubation through the I-gel is easier and quicker. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03118596
Study type	Interventional
Source	University Hospitals Coventry and Warwickshire NHS Trust
Contact
Status	Completed
Phase	N/A
Start date	May 24, 2017
Completion date	March 26, 2018

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.