Comparing Electrical Impedance Tomography to Computed Tomographic Angiography

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

ACTIVE_NOT_RECRUITING

Total Enrollment

63 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-05-01

Study Completion Date

2026-06-09

Brief Summary

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The study aim is to determine whether electrical impedance tomography (EIT) is equivalent in the detection of pulmomary emboli compared to Computed Tomographic Angiography (CTA). EIT is a non-invasive, non-ionizing functional imaging technique that can be performed at bedside. Electrical impedance tomography data will be collected on individuals undergoing a CTA scan of the chest at Medical Center of the Rockies (MCR). The primary outcome measure is to assess whether assessment by CTA corresponds with EIT in detection of pulmonary emboli. The study will include up to 63 participants. EIT data will be collected for up to 20 minutes during tidal breathing and for approximately five to ten seconds during breath-holding.

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Detailed Description

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Conditions

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Pulmonary Embolism

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Patients receiving CTA

Patients who will receive a CTA due to clinical need will be imaged with electrical impedance tomography in addition to the CTA.

Electrical impedance tomography

Intervention Type DEVICE

Non-invasive measure of electrical impedance in the body, with data collected on electrodes on the surface of the body

Interventions

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Electrical impedance tomography

Non-invasive measure of electrical impedance in the body, with data collected on electrodes on the surface of the body

Intervention Type DEVICE

Other Intervention Names

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EIT

Eligibility Criteria

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Inclusion Criteria

* 18 years of age or older
* Undergoing a CTA of the chest at MCR

Exclusion Criteria

* Under 18 years of age
* Body mass index (BMI) \> 30
* Individuals with known thoracic metal implants or devices, such as pacemakers (internal and external), staples, or spinal and rib hardware
* Individuals deemed by the research team as too unstable to safely apply the EIT belt, such as hemodynamic or respiratory instability (e.g., intubated patients), and individuals with unstable spinal injuries
* Open wounds at the site of electrode belt application

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No