Brain-lung Interaction During Acute Respiratory Failure

Acute hypoxemic de novo respiratory failure (AHRF) is a common cause of admission to the intensive care unit (ICU). Its main cause is community-acquired pneumonia. Prevention of intubation relies, among other things, on high-flow nasal canulae (HFNC). However, approximately 40% of patients are intubated despite HFNC. Our team has developed measurements derived from electroencephalograms (EEG) and near-infrared spectroscopy (NIRS) that enable the study of brain-ventilation interactions. To date, these tools have been studied exclusively in intubated patients. the investigators now wish to study them in non-intubated patients. The objective of this study is to investigate the relationship between the brain and lungs in adult patients admitted to the intensive care unit for acute hypoxemic respiratory failure and for whom the attending physician has decided to initiate HFNC. Before and one hour after the introduction of HFNC, electroencephalogram (EEG), near-infrared spectroscopy (NIRS), and electromyogram (EMG) of the Scalen muscles will be collected. From these recordings, the following variables will be collected: 1) The density of the gamma (30-100 Hz), beta (13-30 Hz), alpha (8-12 Hz), theta (4-8 Hz), and delta (0.5-4 Hz) frequency spectrum of the EEG in each of the following right and left cortical regions: medial region of the prefrontal cortex, anterior region of the cingulate gyrus, posterior region of the cingulate gyrus, insula, somatosensory cortex, angular gyrus…

This description comes directly from the study's public registry record.

Alexandre Demoule  ·  0142167888  ·  alexandre.demoule@aphp.fr

Martin Dres  ·  0142167965  ·  martin.dres@aphp.fr

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