Status:
RECRUITING
Saline Contrast Electrical Impedance Tomography Method for Diagnosis of Acute Pulmonary Embolism
Lead Sponsor:
Peking Union Medical College Hospital
Conditions:
Acute Pulmonary Embolism
Eligibility:
All Genders
18+ years
Brief Summary
The goal of this observational study is to compare the consistency of saline contrast Electrical Impedance Tomography(EIT) method and Computed Tomography Pulmonary Angiography (CTPA) in diagnosing acu...
Eligibility Criteria
Inclusion
- Patients with clinically suspected or confirmed acute pulmonary embolism (PE) presenting with acute respiratory failure;
- Availability of CTPA results within 24 hours or scheduled to undergo CTPA within the next 24 hours;
- Age \>18 years; no gender restrictions;
- Presence of central venous access (internal jugular or subclavian vein) or peripheral forearm venous access;
- Willingness to participate with signed informed consent from either the patient or legal guardian.
Exclusion
- Pregnancy or lactation;
- Relative contraindications to EIT examination (e.g., chest wall wounds at electrode belt placement site, presence of pacemakers);
- Severe hypernatremia (serum sodium \>155 mmol/L);
- Inability to maintain expiratory breath-hold for ≥8 seconds;
- BMI \>50 or severe thoracic deformities;
- Current extracorporeal membrane oxygenation (ECMO) therapy.
Key Trial Info
Start Date :
September 24 2025
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
September 15 2027
Estimated Enrollment :
343 Patients enrolled
Trial Details
Trial ID
NCT07190079
Start Date
September 24 2025
End Date
September 15 2027
Last Update
October 2 2025
Active Locations (1)
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1
Department of Critical Care Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences
Beijing, Beijing Municipality, China, 100730