Skip to content

Pilot Study for Suction Enhanced Laryngeal Mask Airway (flexible style) used during general anaesthesia.

Evaluate the supraglottic suction efficacy of Suction Enhanced Laryngeal Mask Airway during general anaesthesia for adults having oral or nasal surgery

Status
Not yet recruiting
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12625000569404
Enrollment
20
Registered
2025-06-03
Start date
2025-06-30
Completion date
2025-08-29
Last updated
2025-09-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

The research is to check the improved safety features of a modified airway device called a laryngeal mask airway. The modification to the device is suction enhancement to allow for suction of secretions and blood that usually collect to the upper (supraglottic) surface of the airway device during oral and nose surgery. Suction of the blood and secretions is anticipated to result in improved patient safety.

Interventions

Use of suction enhanced laryngeal mask airway Insertion is by a consultant anaesthetist at induction of anaesthesia which occurs five minutes prior to surgical start time. Duration of anaesthesia and use of the suction enhanced laryngeal mask airway will be less then two hours Removal will be either by the consultant anaesthetist in theatre or a qualified recovery nurse in the stage one post anaesthesia care unit. Strategies to monitor adherence to the intervention will be review of anaestheti

Use of suction enhanced laryngeal mask airway Insertion is by a consultant anaesthetist at induction of anaesthesia which occurs five minutes prior to surgical start time. Duration of anaesthesia and use of the suction enhanced laryngeal mask airway will be less then two hours Removal will be either by the consultant anaesthetist in theatre or a qualified recovery nurse in the stage one post anaesthesia care unit. Strategies to monitor adherence to the intervention will be review of anaesthetic record and data collection form. The suction enhanced laryngeal mask airway sits in the same position/location in the airway and functions to ventilate the patient in exactly the same way. It differs from the standard laryngeal mask airway in that suction can be applied to the oropharyngeal surface. Suction applied via the Suction Enhanced Laryngeal Mask Airway will be between 80-200mmHg, which is accepted safe levels of suction applied to airways via other devices such as in line suction catheters down endotracheal tubes.

Sponsors

Dr Alexandra Anderson - Medeco
Lead SponsorIndividual

Study design

Allocation
Non-randomised trial
Intervention model
Single group
Primary purpose
Prevention
Masking
Open (masking not used)

Eligibility

Sex/Gender
All
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

Participating patients: adults having oral or nasal surgery under general anaesthesia where the consultant anaesthetist and surgeon are planning to utilise a flexible style LMA product for the airway device. Inclusion criteria - patient Patient consent – informed, capable and given freely. Planned airway management plan for the case is a laryngeal mask airway Surgery resulting in contamination of airway with blood/secretions (eg dental, oral or nasal surgery) Inclusion criteria - clinician 1) Consultant anaesthetist, oral and maxillofacial surgeon or ear, nose and throat surgeon 2) qualified recovery nurse for removal of suction enhanced laryngeal mask airway 3) briefed on the trial and consent to participate

Exclusion criteria

Exclusion criteria: Weight over 150kg Contraindication to laryngeal mask airway (eg aspiration risk, per accepted and established standards of anaesthetic practice)

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026