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Exploratory Study on 3D-EIT Evaluation of R/I Ratio

Exploratory Study on the Assessment of Lung Reexpandable Potential Using 3D Electrical Impedance Tomography in Patients with Acute Respiratory Failure

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600122841
Enrollment
Unknown
Registered
2026-04-20
Start date
2025-09-01
Completion date
Unknown
Last updated
2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute respiratory distress syndrome (ARDS)

Interventions

Observation group:None

Sponsors

Peking Union Medical College Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.A mechanically ventilated patient in a state of sedation and analgesia without spontaneous breathing; 2.Oxygenation index<300mmHg; 3.Clinical judgment requires PEEP titration;

Exclusion criteria

Exclusion criteria: 1.Under 18 years old; 2.Pregnant or lactating women; 3.Factors affecting EIT monitoring: chest trauma, severe chest deformities, BMI>35kg/m2,; 4.Not signing the informed consent form; 5.Hemodynamic instability and inability to tolerate high PEEP; 6.Individuals with high-risk conditions such as pneumothorax and mediastinal emphysema; 7.Pregnant or breastfeeding women

Design outcomes

Primary

MeasureTime frame
PEEP titration;R/I ratio(Recruitment-to-Inflation Ratio);—

Countries

China

Contacts

Public ContactHuaiwu He

Peking Union Medical College Hospital

tjmuhhw@163.com+86 10 6915 2300

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 1, 2026