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NCT03992950 Clinical Trial

Effectiveness of Cricoid and Paratracheal Pressures for Occluding Esophagus

Intubation Complication Clinical Trial

Official title:
Effectiveness of Cricoid and Paratracheal Pressures for Occluding Esophagus in Anesthetized and Paralyzed Patients During the Induction of Anesthesia

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT03992950
Other study ID # P2019-195
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 1, 2021
Est. completion date January 25, 2022

Study information
Verified date February 2022
Source SMG-SNU Boramae Medical Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Comparing the effects of 'Cricoid pressure' or 'Paratracheal pressure' during direct laryngoscopy

Description:

The effectiveness of cricoid pressure and paratracheal pressure for occluding esophagus during direct and video laryngoscopies.

Recruitment information / eligibility
Status Completed
Enrollment 40
Est. completion date January 25, 2022
Est. primary completion date January 25, 2022
Accepts healthy volunteers No
Gender All
Age group 19 Years and older
Eligibility Inclusion Criteria: - Who would be scheduled any surgery under general anesthesia and agree with the purpose of the study Exclusion Criteria: - Risk of aspiration - History of esophageal surgery - Diseases or anatomical abnormalities of the neck, larynx, pharynx or esophagus - Known or predicted difficult airway.

Study Design

Related Conditions & MeSH terms

Intervention

Other:
• Maneuvers for occluding esophagus
Cricoid pressure: pressure on the cricoid ring Paratracheal pressure: pressure on the left paratracheal region below the cricoid level

Locations
Country Name City State
Korea, Republic of Seoul Metropolitan Government Seoul National University Boramae Medical Center Seoul

Sponsors (1)
Lead Sponsor Collaborator
SMG-SNU Boramae Medical Center

Country where clinical trial is conducted

Korea, Republic of, 

Outcome
Type Measure Description Time frame Safety issue
Primary Occlusion of the esophagus Occlusion of the esophagus is checked with the application of cricoid and paratracheal pressures using esophageal stethoscope. If the esophageal stethoscope is not advanced into the esophagus, it is considered 'occlusion'. During 1 minute under videolaryngoscopy
Secondary Outer diameter of the esophagus Outer diameter of the esophagus is measured using ultrasound before and after the application of cricoid and paratracheal pressures. During 1 minute after injection of anesthetics during induction of anesthesia
Secondary Position of the oesophageal entrance relative to the glottis Position of the oesophageal entrance relative to the glottis is evaluated. During 1 minute after injection of anesthetics during induction of anesthesia and during videolaryngoscopy
Secondary Position of the upper oesophagus relative to the trachea Position of the upper oesophagus relative to the trachea trachea is evaluated. During 1 minute after injection of anesthetics during induction of anesthesia and during videolaryngoscopy
Secondary The best laryngeal view The best laryngeal view is evaluated using the percentage of glottis opening (POGO) score, ranging from 0% to 100%. Before and after the application of cricoid and paratracheal force during videolaryngoscopy
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