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Annals of Intensive Care
Fig. 3 | Annals of Intensive Care

Fig. 3

From: High-flow nasal oxygen versus noninvasive ventilation in adult patients with cystic fibrosis: a randomized crossover physiological study

Fig. 3

Individual patient changes in respiratory variables. a HFNT significantly reduced respiratory rate compared to baseline and b significantly increased tidal volume when compared to NIV, c HFNT significantly reduced minute ventilation compared to baseline conditions, d no differences were observed for PtcCO2, *p < 0.05 (versus baseline). HFNT high-flow nasal therapy, NIV noninvasive ventilation, PtcCO2 transcutaneous carbon dioxide, n = 15

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