Comparison of Ultrasonographic and Anthropometric Measurements in Difficult Airway Evaluation

Difficult Airway Intubation Clinical Trial

Official title:

Evaluation of Ultrasounographic Measurements and Anthropometric Measurements as Predictors of Difficult Direct Laryngoscopy

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT04140981
• Other study ID #: airway ultrasounography
• Status: Completed
• Start date: October 1, 2019
• Est. completion date: December 1, 2019

Study information

• Verified date: December 2019
• Source: Kirikkale University
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

In this study, anthropometric measurements (clinical measurements) will be applied in all patient groups; expected (to be difficult to provide airway patency as a result of detailed history, physical examination and evaluation tests performed by an experienced anesthesiologist), and unexpected (although it was not predicted that a difficulty was encountered). And ultrasounographic measurements will be applied in all patients. The aim of this study is to evaluate the predictive accuracy of ultrasonographic measurements.

Description:

In the preoperative period, the following clinical tests will be performed before the patient arrives in the operating room and when the patient arrives, the measurements will be made by ultrasonography.

1. Mallampati classification

2. Determination of mouth opening (interinsizer distance)

3. Thyromental distance

4. Sternomental distance

Preoperative evaluation of the patients and clinical results of the airway tests (mentioned above) will be recorded. The cervical soft tissue thickness will be measured and recorded at 3 levels (thyrohyoid membrane, vocal cord, hyoid bone) with the help of ultrasonography (mentioned above). In addition, since all patients will be under general anesthesia, laryngoscopic images (laryngoscopic evaluation according to Cormack Lehane classification) routinely recorded on the anesthesia follow-up sheet will be recorded.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 127
• Est. completion date: December 1, 2019
• Est. primary completion date: December 1, 2019
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years to 75 Years

Eligibility

Inclusion Criteria:

• patients under general anesthesia

• ASA 1-2-3

Exclusion Criteria:

• Patients who will undergo emergency surgery,

• pregnant women,

• children,

• patients who may have difficulty in airway management due to cervical instability,

• patients with trauma or malignancy in the neck region

Related Conditions & MeSH terms

• Difficult Airway Intubation

Intervention

Device:
• ultrasounography
in preoperative period, airway ultrasounagraphy for all patients will be made

Locations

Country	Name	City	State
Turkey	Kirikkale Univercity Faculty of Medicine Hospital	Kirikkale

Sponsors (1)

Lead Sponsor	Collaborator
Kirikkale University

Country where clinical trial is conducted

Turkey, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Cormack Lehane classification	Laryngoscopic evaluation according to Cormack Lehane classification	during the intubation period
Secondary	ultrasonographic measurement	Preoperative ultrasonographic measurement will be made	15 min before the operation