Ultrasound identification of the cricothyroid membrane

Randomised control trial of ultrasound versus palpation-technique in identifying the cricothyroid membrane (CTM) in simulated can’t intubate, can’t ventilate scenario

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN70067115

Enrollment

Registered

2015-04-02

Start date

2016-05-01

Completion date

Unknown

Last updated

2019-04-01

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

Conditions

Can't intubate, can't ventilate scenarios Respiratory

Interventions

Doctors are randomly assigned to one of two groups. Group 1: Participants are asked to locate the cricothyroid membrane using the finger "palpation" technique on an actor who is overwe

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Anaesthetists working at UCLH

Exclusion criteria

Exclusion criteria: Unwilling to consent to taking part

Design outcomes

Primary

Measure	Time frame
Ease of identification of the cricothyroid membrane with ultrasound in a simulated CICV scenario.	—

Secondary

Measure	Time frame
Speed of identification of cricothyroid membrane using ultrasound	—

Countries

United Kingdom

Outcome results

None listed

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