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An accuracy of conventional digital palpation to identify cricothyroid membrane confirmed by ultrasound guidance

An accuracy of conventional digital palpation to identify cricothyroid membrane confirmed by ultrasound guidance

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20180806004
Enrollment
200
Registered
2018-08-06
Start date
2017-11-17
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

cricothyroid membrane cricothyroidotomy difficult intubation cricothyroid membrane cricothyroidotomy difficult intubation

Interventions

Supportive Care

Sponsors

Chiang Mai University
Lead Sponsor
Chiang Mai University
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients undergoing non-cardiac surgery

Exclusion criteria

Exclusion criteria: Patients with deformity or tumor at neck Patients with previous neck surgery or radiation Patients who have allergy to phosphor (ink of marker) and ultrasound gel Pregnant women

Design outcomes

Primary

MeasureTime frame
Distance between positions of cricothyroid membrane identified by digital palpation and U/S During 2 hours of post-anesthesia care in the recovery room Distance between a mark identified by palpation and center of cricothyroid membrane located by U/S

Secondary

MeasureTime frame
Performance time of digital palpation technique During 2 hours of post-anesthesia care in the recovery room Time used for identification of cricothyroid membrane by digital palpation,Performance time of ultrasound technique During 2 hours of post-anesthesia care in the recovery room Time used for identification of cricothyroid membrane by ultrasound guidance

Countries

Thailand

Contacts

Public ContactWariya Sukhupragarn

Chiang Mai University

porsche098@gmail.com053935522

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026