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Is the Guedel airway an accurate predictor of optimum laryngeal mask size selection - a pilot study?

Is the Guedel airway an accurate predictor of optimum laryngeal mask size selection - a pilot study?

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN47049788
Enrollment
45
Registered
2006-09-29
Start date
2002-01-31
Completion date
Unknown
Last updated
2016-10-17

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

Conditions

Surgery Surgery

Interventions

Method: Each individual patient having given written, informed consent and fulfilling the inclusion criteria will be assessed for their appropriate size Guedel airway (GA) during the preoperative visi

Sponsors

Record Provided by the NHSTCT Register - 2006 Update - Department of Health
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The population from which recruitment is achieved are patients on the elective operating lists of fixed sessions in Urology and General surgery at the University Hospital Birmingham NHS Trust (Queen Elizabeth Hospital and Selly Oak Hospital). We are planning to recruit 45 patients (50% female/50% male) into each of the three groups (group A: Guedel airway 2, group B: GA 3; group C: GA4). The size of GA is assessed by investigator No.l during the preoperative visit. Inclusion criteria: 1. ASA 1/2 2. Age > 18 years 3. Indication for using a LMA 4. Listed for elective surgery

Exclusion criteria

Exclusion criteria: 1. ASA 3/4 2. Age 90 min) 5. Pregnancy 6. Obvious anatomical airway abnormalities 7. Patients with Mallampati class 3/4 8. Not fluent in English

Design outcomes

Secondary

MeasureTime frame
Not provided at time of registration

Primary

MeasureTime frame
Not provided at time of registration

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026