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Research on Evaluating Regional Pulmonary Ventilation Rate Changes by Dynamic Chest Radiography in ARDS Patients Undergoing Mechanical Ventilation

Research on Evaluating Regional Pulmonary Ventilation Rate Changes by Dynamic Chest Radiography in ARDS Patients Undergoing Mechanical Ventilation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500110872
Enrollment
Unknown
Registered
2025-10-22
Start date
2025-11-01
Completion date
Unknown
Last updated
2025-10-27

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

Conditions

?Invasively ventilated patients with acute respiratory distress syndrome

Interventions

Study Group:None
Control Group:None

Sponsors

Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Study Group: 1. Age between 18 and 80 years; 2. Diagnosis of ARDS according to the Berlin Definition; 3. Requiring invasive mechanical ventilation due to their clinical condition; 4. Provision of signed informed consent by the patient or their legal surrogate; Control Group: 1. Age between 18 and 80 years; 2. Scheduled to undergo non-thoracic surgery requiring general anesthesia with endotracheal intubation and mechanical ventilation; 3. No preoperative respiratory symptoms and a normal preoperative chest radiograph; 4. Postoperative arterial blood gas with a PO2/FiO2 ratio > 400 mmHg; 5. Provision of signed informed consent by the patient or their legal surrogate;

Exclusion criteria

Exclusion criteria: 1. Age 80 years; 2. Body Mass Index (BMI) 30 kg/m^2; 3. Pregnancy or lactation; 4. Received invasive mechanical ventilation for more than 48 hours within the past 7 days, or those receiving ventilation via a tracheostomy; 5. Severe hemodynamic instability, severe heart failure, or acute coronary syndrome; 6. Patients receiving Extracorporeal Membrane Oxygenation (ECMO) therapy; 7. Presence of pneumothorax, bronchopleural fistula, pneumomediastinum, massive pleural effusion, diaphragmatic hernia, chest wall deformity, significant pulmonary bullae, or within 2 weeks post-lobectomy or other pulmonary surgery; 8. Pre-existing chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, interstitial lung disease, pulmonary embolism, right heart failure, pulmonary hypertension, or severe cardiac arrhythmias; 9. Managed with non-invasive ventilation or high-flow nasal cannula oxygen therapy at the time of screening; 10. Severe neurological disorders, such as intracranial hypertension or neuromuscular diseases; 11. Patients previously enrolled in this study who are re-admitted to the ICU, or those currently participating in another clinical trial;

Design outcomes

Primary

MeasureTime frame
Interframe Pixel Change Rate;

Secondary

MeasureTime frame
Length of ICU stay;Maximum inspiratory-expiratory density difference;Duration of mechanical ventilation;28-day mortality in patients with ARDS;

Countries

China

Contacts

Public ContactYou Shang

Union Hospital, Tongji Medical College, Huazhong University of Science and Technology

shang_you@126.com+86 159 7212 7819

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026