Acute Respiratory Distress Syndrome Clinical Trial
Official title:
Effect of Transpulmonary Mechanical Power on the Prognosis of Patients With Severe Acute Respiratory Distress Syndrome Treated With Venovenous Extracorporeal Membrane Oxygenation
Venovenous extracorporeal membrane oxygenation (VV-ECMO) is a salvage treatment for severe acute respiratory distress syndrome (ARDS). With the large-scale implementation of VV-ECMO in critical care medicine departments in China, significant progress has been made in treating severe ARDS. However, the patient mortality rate remains high. The pathophysiological essence of ARDS is an imbalance between the body's oxygen supply and demand, causing tissue and cell hypoxia, organ dysfunction, and even death. The VV-ECMO treatment process still requires mechanical ventilation assistance. However, inappropriate mechanical ventilation settings can lead to ventilator-related lung injury (VILI). In recent years, mechanical power has gradually attracted everyone's attention and is considered the cause of VILI. The transpulmonary mechanical power is more accurate to the energy directly performed to the lung tissue. Transpulmonary mechanical energy has a specific value in judging the prognosis of mechanically ventilated patients, but its clinical significance in treating patients with VV-ECMO is unclear. This study aimed to explore the value of transpulmonary mechanical power in predicting the prognosis of patients with severe ARDS patients treated with VV-ECMO.
Status | Recruiting |
Enrollment | 100 |
Est. completion date | December 31, 2024 |
Est. primary completion date | September 30, 2024 |
Accepts healthy volunteers | |
Gender | All |
Age group | 18 Years to 75 Years |
Eligibility | Inclusion Criteria: 1. Meet the diagnostic criteria of Berlin's definition for ARDS; 2. Receiving VV-ECMO support. Exclusion Criteria: 1. Patients had been on high pressure (Ppeak >35 cm H2O) and a high fraction of inspired oxygen (FiO2>0.8) ventilation for >7 days; 2. Patients had a contraindication to heparinization; 3. Patients had an irreversible neurological injury; 4. Patients had severe chronic lung disease with life expectancy <6 months. |
Country | Name | City | State |
---|---|---|---|
China | Beijing Chao-Yang Hospital | Beijing | Beijing |
Lead Sponsor | Collaborator |
---|---|
Beijing Chao Yang Hospital |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Patients successfully weaned from VV-ECMO | Weaning VV-ECMO more than 48 hours with stable oxygenation and no need to re-establish ECMO | After patients enrolled 60 days | |
Secondary | 60-day mortality | Mortality rate at 60 days of VV-ECMO support | After patients enrolled 60 days |
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