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Vol. 48. Núm. 5.
Páginas 303-304 (mayo 2024)
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Vol. 48. Núm. 5.
Páginas 303-304 (mayo 2024)
Images in Intensive Medicine
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High-flow oxygen therapy in single lung transplant for COPD
Terapia de alto flujo de oxígeno en trasplante pulmonar simple por EPOC
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Ignacio Fernández Ceballos
Autor para correspondencia
, Indalecio Carboni Bisso, Marcos J. Las Heras
Critical Care Department, Hospital Italiano de Buenos Aires, Argentina
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A 61-year-old patient with a history of COPD was in the postoperative phase of a right single lung transplant, requiring a high-flow oxygen cannula due to acute hypoxemic respiratory failure. An electrical impedance tomography (Pulmovista V500 - Dräger, Germany) was used to assess regional changes in tidal ventilation and end-expiratory lung volume (EELV). An inspiratory flow rate of 60L/min and an inspired oxygen fraction of 0.4 were employed. Fig. 1 shows the changes in VT before and after the use of HFNC. In the non-transplanted lung, an increase in aeration is observed due to regional elevation of EELV (blue area) caused by increased expiratory resistance, leading to air trapping and alveolar overdistension (orange area). Consequently, expiratory time constants were prolonged (Fig. 2).

Figure 1
(0.25MB).
Figure 2
(0.29MB).
Financial support

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Conflicts of interest

None.

Copyright © 2023. Elsevier España, S.L.U. y SEMICYUC
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