Patients admitted to the intensive care unit (ICU) and mechanically ventilated for reasons other than acute respiratory failure, such as coma, trauma, or sepsis, are at risk of developing acute respiratory distress syndrome (ARDS), which increases the duration of mechanical ventilation, mortality, and functional dependence at discharge.
Patients admitted to the intensive care unit (ICU) and mechanically ventilated for reasons other than acute respiratory failure, such as coma, trauma, or sepsis, are at risk of developing acute respiratory distress syndrome (ARDS), which increases the duration of mechanical ventilation, mortality, and functional dependence at discharge. Low tidal volume mechanical ventilation is recommended for these patients to prevent ARDS, but few other modifiable risk factors are known. Advanced respiratory monitoring, which includes continuous recording of airway and esophageal pressure, inspiratory and expiratory flow, and the distribution of ventilation within the lungs, has been used in patients with ARDS to personalize ventilation parameters, prevent ventilator-induced lung injury (VILI), and improve outcomes. It is unknown whether the use of these same monitoring techniques in patients without respiratory failure at the time of ICU admission can prevent the development of ARDS.
Study Type
OBSERVATIONAL
Enrollment
40
Continuous measurement and recording of airway pressure, esophageal pressure, inspiratory and expiratory flow, and electrical impedance tomography (EIT) data during the first 24 hours of mechanical ventilation. A nasogastric tube equipped with an esophageal balloon is placed alongside an EIT electrode belt. Monitoring is performed continuously off-line without altering standard clinical management. Residual respiratory function is also evaluated via spirometry and EIT prior to Intensive Care Unit (ICU) discharge.
Humanitas Research Hospital
Milan, Lombardy, Italy
RECRUITINGIncidence of Acute Respiratory Distress Syndrome (ARDS)
Association between ARDS development and advanced respiratory monitoring parameters derived from: Airway pressure/flow analysis: tidal volume/kg of ideal body weight, respiratory rate, plateau pressure, driving pressure, respiratory system compliance, and stress index. Esophageal pressure analysis: lung compliance, transpulmonary plateau pressure, transpulmonary driving pressure, and chest wall compliance. Electrical impedance tomography (EIT): regional compliance and tidal volume distribution homogeneity.
Time frame: Within the first 7 days of Intensive Care Unit (ICU) admission.
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