Comparison of the effectiveness of 4 disposable supraglottic airway devices and one reusable ‘Laryngeal Mask Airway (LMA) classic’ for use in flexible bronchoscopy in children.

Not Applicable

Completed

• Conditions: bronchiectasis; recurrent cough; recurrent lower respiratory tract infection; Respiratory - Other respiratory disorders / diseases; Surgery - Surgical techniques

• Registration Number: ACTRN12609000586213
• Lead Sponsor: Katharine Brunette (Young)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2009-07-15
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 100

Inclusion Criteria

all children presenting for flexible bronchoscopy at Starship Children's Health between March 2008 and April 2009 or until 100 patients are recruited

Exclusion Criteria

weight >50kg
children with previous difficult bronchoscopy
children deemed too unwell to use an LMA or change an LMA during the procedure
patient or caregiver or physician refusal
allergy to any material used for the study
family or child refusal

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
difference between each disposable LMA and the Classic LMA with regard to resistance encountered to scope manipulation 1. in the LMA 2. at the vocal cords 3. below the vocal cords 4. overall impression of ease of use. These are all subjectively scored on a 10cm line by the bronchoscopist.[immediately following attempted bronchoscopy with each Laryngeal mask]

Secondary Outcome Measures

Name	Time	Method
cuff pressures when inflated within manufacturers guidelines[pressures are measured with a pressure manometer immediately following inflation of the laryngeal mask cuff and pressure reduced immediately to 20cmH2O];cuff volumes measured using a syringe to extract the air in the cuff following removal of the laryngeal mask from the child's airway (cuff pressure while in te airway was standardised at 20cmH2O[immediately following removal of laryngeal mask];leak pressures with cuff inflated to 20cm water are measured by increasing the pressure release valve for the anaesthetic cicuit to 30cmH2O and observing the highest pressure obtained in the circuit (determined by the pressure at which the air leaks aound the laryngeal mask and out of the child's mouth[immediately apon measuring the leak pressure during the general anaesthetic]