Abstract:Prone position is widely used to ameliorate gas exchange in severe COVID-19-related ARDS (CARDS), through its beneficial effects on shunt and dead space. However, the effectiveness of repeated pronation has never been explored in this category of patients. We then retrospectively analyzed the changes of the alveolar-arterial oxygen gradient (A-aO2grad), as shunt index, and the ratio EtCO2/paCO2 ratio, as dead space index, during repeated pronation cycles in 7 patients with CARDS admitted to our Intensive Care … Show more
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