Feasibility of TEE During Cardiac Arrest in Dutch Emergency Departments

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

RECRUITING

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-06-25

Study Completion Date

2025-05-01

Brief Summary

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The goal of this feasibility study is to learn if Dutch ED providers are able to use transesophageal echocardiography during cardiac arrest.

The main question it aims to answer is:

• are the ED providers able to determine the area of maximal compression of the heart using TEE

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Detailed Description

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Point-of-care ultrasound is a valuable diagnostic tool during cardiopulmonary resuscitation (CPR) in cardiac arrest and its use is recommended by international guidelines. Transthoracic echocardiography (TTE) is most commonly used, but has certain limitations. Image acquisition can be challenging due to patient specific factors such as body habitus. Also image quality may be impacted by the limited acquisition time during CPR pulse checks. Furthermore, observational data suggests that pulse checks are prolonged due to TTE, while minimizing interruption of chest compressions is emphasized for better CPR outcomes in the guidelines. Transesophageal ultrasound (TEE) is a possible alternative for TTE. It has the theoretical advantage of superior image quality and thereby possible reductions of chest compression delays. Furthermore, TEE gives the opportunity determine which part of the heart is compressed most effectively, which is referred to as the area of maximal compression (AMC). Animal studies showed that an AMC located over the left ventricle positively influenced hemodynamics and return of spontaneous circulation (ROSC) compared to an AMC over the aortic root. In human studies, data also suggests that AMC located on the left ventricle, as measured by TEE, may positively influence prognosis.

In the Netherlands, TEE is currently not used in emergency departments during cardiac arrest. The purpose of this study is to investigate if point-of-care TEE can be used effectively and safely by providers and teams that have not previously used this modality. Given the paramount importance of quality of chest compressions, the ability of the providers to assess the location of the AMC will be the main focus of this feasibility study.

Conditions

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Cardiac Arrest

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

TEE will be performed on all patients that are eligible for inclusion.

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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TEE as POCUS modality.

TEE will be performed during cardiac arrest.

Group Type EXPERIMENTAL

Transoesophageal echocardiography (TEE)

Intervention Type DIAGNOSTIC_TEST

TEE is a diagnostic modality in which an ultrasound probe is inserted via the oesophagus in order to visualize the heart.

Interventions

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Transoesophageal echocardiography (TEE)

TEE is a diagnostic modality in which an ultrasound probe is inserted via the oesophagus in order to visualize the heart.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Patients with cardiac arrest \> 18 year in the emergency department.

Exclusion Criteria

* Patients with known upper gastro-intestinal malignancy or strictures, previous upper gastro-intestinal surgery or radiation, or known esophageal varices.
* Patient with a do-not-resuscitate order, pregnant patients and traumatic cardiac arrest.
* No trained TEE provider available.
* ROSC at arrival.
* Decision by the team to stop resuscitation at arrival at the emergency department due of prognosis.
* Other life saving interventions which are prioritized over TEE by the resuscitation team.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No