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Annals of Intensive Care
Fig. 6 | Annals of Intensive Care

Fig. 6

From: Lung aeration and ventilation after percutaneous tracheotomy measured by electrical impedance tomography in non-hypoxemic critically ill patients: a prospective observational study

Fig. 6

Center of ventilation (CoV) describes the distribution of ventilation within the scanned thoracic cross section. A value below 50% indicates a ventrally distributed ventilation, while values above 50% indicate a preferential distribution of ventilation to the dorsal aspects of the scanned volume. No significant changes in CoV were detected among the four time points of our standard PDT procedure (n = 29; p > 0.05; RM ANOVA)

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