Combining Electrical Impedance Tomography and Thoracic Ultrasound Toinvestigate Dynamic Changes

NCT ID: NCT06958770

Last Updated: 2025-05-06

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

NOT_YET_RECRUITING

Total Enrollment

50 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-05-19

Study Completion Date

2028-12-31

Brief Summary

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1. To evaluate the dynamic changes of lung ultrasound during electrical impedance tomography (EIT) PEEP titration and across the first week of ARDS.
2. To asses respiratory effort by diaphragmatic function, esophageal pressure, and EIT (Pendelluft phenomenon), and hyperinflammatory biomarkers, to predict P-SILI.
3. To develop predictive models for weaning success based on integrated EELI and thoracic ultrasound.

Detailed Description

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Conditions

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ARDS (Moderate or Severe)

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Interventions

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Electrical impedance tomography

* Electrical impedance tomography (EIT):Assessing pulmonary function in chronic lung diseases.
* Lung ultrasound:Assessing diaphragm atrophy in mechanically ventilated patients.
* Esophageal pressure:The work of breathing, or the energy required by respiratory muscles to meet ventilatory demands, can be directly evaluated by esophageal pressure
* Oxygen consumption:Indirectly evaluated by measuring oxygen consumption (V̇O2) during mechanical ventilation The oxygen cost of breathing, reflected the increase in V̇O2 when transitioning from mechanical ventilation to spontaneous breathing, has been shown to predict weaning outcomes.

Intervention Type DIAGNOSTIC_TEST

Other Intervention Names

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Lung ultrasound Esophageal pressure Oxygen consumption

Eligibility Criteria

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Inclusion Criteria

* Adult \>18 y/o.
* Patient intubated and receiving mechanical ventilation \> 24 hours.
* Admitted into ICU, diagnosed as moderate or severe ARDS (ICD-10-CM: J80) according to Berlin definition.

Exclusion Criteria

* Presence of Implanted Electronic Devices (pacemakers, implantable cardioverter-defibrillators).
* Pregnancy.
* No consent/inability to obtain consent and appropriate legal representative not available.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Taiwan University Hospital

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Yao-Wen Kuo

Role: PRINCIPAL_INVESTIGATOR

National Taiwan University Hospital

Central Contacts

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Yao-Wen Kuo

Role: CONTACT

886+972651821

Other Identifiers

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202502091RIND

Identifier Type: -

Identifier Source: org_study_id

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