Post- End- Expiratory Pressure Affect the Alveolar Heterogeneity in Moderate and Sever ARDS Patients

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ARDS(Acute respiratory distress syndrome )is common in patients suffering Sepsis, trauma, burning and other sever condition and characterized by diffuse alveolar damage and alveolar heterogeneity.ARDS patient need MV(mechanical ventilation )to maintain oxygenation and need unique MV tragedy to avoid...

ARDS(Acute respiratory distress syndrome )is common in patients suffering Sepsis, trauma, burning and other sever condition and characterized by diffuse alveolar damage and alveolar heterogeneity.ARDS patient need MV(mechanical ventilation )to maintain oxygenation and need unique MV tragedy to avoid VILI(Ventilator induced Lung injury ).PEEP(post-end-expiratory pressure) is crucial to maintain oxygenation and avoid VILI according to researches. But there are also some other research different voice. This study try to use EIT ( Electronic impedance tomography ) to evaluate the alveolar heterogeneity and use trans-pulmonary pressure and stain to evaluate the lung injury . The study use these methods to figure out how PEEP impact the alveolar heterogeneity and VILI.

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