Comparison of Tracheal Ultrasound With Capnography for Intubation Confirmation During CPR Wearing PPE

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

34 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-01-30

Study Completion Date

2022-07-31

Brief Summary

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It is very important to ensure the tube placement in patients with cardiac arrest and unrecognized misplacement of endo-tracheal tube can lead to morbidity and mortality. In recent pandemic situations such as COVID-19 (Coronavirus disease-19), the number of cases of cardiopulmonary resuscitation with personal protective equipment (PPE) have increased. In those cases, existing methods such as auscultation and chest uprising have to be limited. Quantitative waveform capnography is recommended as the gold standard for confirming correct endotracheal tube placement in the 2010 American HeartAssociation (AHA) Guidelines for Cardiopulmonary resuscitation (CPR) and Emergency Cardiovascular Care (ECC), but it has some well-known limitations in cardiac arrest patients.

Ultrasonography is a non-invasive, real-time diagnostic tool commonly used during resuscitation. Especially, tracheal ultrasonography can be performed in real-time when the tube is passed through the trachea or esophagus. Previous prospective studies revealed that tracheal ultrasonography could feasibly and rapidly confirm tracheal intubation during emergency intubation.

There have already been several studies comparing the accuracy of tracheal ultrasound and capnography, but there was no study comparing the two tools under the constraints of PPE that is essential in pandemic situations as in this study. This study aimed to determine the accuracy of tracheal ultrasonography in assessing endotracheal tube position during CPR with PPE.

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Detailed Description

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When patients in cardiopulmonary arrest enter a emergency room (ER) or patients staying in a ER have a cardiopulmonary arrest, participants perform intubation and CPR. When it is judged as a high-risk group with a high probability of droplet infection, all participants in resuscitation team should wear personal protective equipment. Tracheal ultrasound and end-tidal carbon dioxide are used to confirm the placement of tube. The gold standard is the direct visualization using laryngoscope. The time it takes to confirm the placement of tube is also measured.

Conditions

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Cardiopulmonary Arrest

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Tracheal ultrasound

The patients in cardiopulmonary arrest should be performed tracheal ultrasound when tube is passed through the trachea or esophagus.

Group Type OTHER

tracheal ultrasound

Intervention Type PROCEDURE

When checking tracheal ultrasound, several signs are used in judgements. Direct signs include reverberation artifact and double ring sign. Indirect sign means checking the bilateral lung sliding.

Interventions

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tracheal ultrasound

When checking tracheal ultrasound, several signs are used in judgements. Direct signs include reverberation artifact and double ring sign. Indirect sign means checking the bilateral lung sliding.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* 1\. cardiopulmonary arrest patients receiving emergency intubation and CPR
* 2\. patients judged to need to wear PPE according to the judgement of the clinician

Exclusion Criteria

* 1\. sign for "do not resuscitate (DNR)"
* 2\. patients unable to perform tracheal ultrasound due to trauma of the site
* 3\. patients unable to perform tracheal ultrasound due to oropharynx cancer
* 4\. patients unable to perform tracheal ultrasound due to placement of tracheal cannula
* 5\. patients not used tracheal ultrasound for checking tube placement

Minimum Eligible Age

18 Years

Maximum Eligible Age

100 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No