Personalised mechanical ventilation in acute respiratory distress syndrome: the right idea with the wrong tools? – Authors' reply

We agree with Silvia Mongodi and colleagues that non-quantitative CT was probably not the best way to assess lung morphology in patients with acute respiratory distress syndrome (ARDS). A CT scan with two slices, one obtained at 5 cm H2O and one at 45 cm H2O, might have been more useful to assess lung recruitability. We reasoned that a single slice would be easier to manage; however, in view of the proportion of misclassified patients, we agree...