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Unexpected pulmonary mechanics during positive pressure mechanical ventilation in fibrotic lung disease with concomitant flail chest.


ABSTRACT: Understanding of pulmonary mechanics is essential to understanding mechanical ventilation. Typically, clinicians are mindful of peak and plateau pressures displayed on the ventilator and lung compliance, which is decreased in lung disease such as idiopathic pulmonary fibrosis (IPF). Decreased lung compliance leads to elevated peak and plateau pressures. We present a patient with IPF undergoing mechanical ventilation after cardiac arrest. Despite low lung compliance, he had normal peak and plateau pressures due to the presence of flail chest and increased chest wall compliance. This case highlights the role chest wall compliance plays in total respiratory system compliance and pulmonary mechanics.

SUBMITTER: Gayen S 

PROVIDER: S-EPMC9800186 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Unexpected pulmonary mechanics during positive pressure mechanical ventilation in fibrotic lung disease with concomitant flail chest.

Gayen Shameek S   van der Rijst Nathalie N   D'Alonzo Gilbert G   Salerno Daniel D  

Respiratory medicine case reports 20221223


Understanding of pulmonary mechanics is essential to understanding mechanical ventilation. Typically, clinicians are mindful of peak and plateau pressures displayed on the ventilator and lung compliance, which is decreased in lung disease such as idiopathic pulmonary fibrosis (IPF). Decreased lung compliance leads to elevated peak and plateau pressures. We present a patient with IPF undergoing mechanical ventilation after cardiac arrest. Despite low lung compliance, he had normal peak and platea  ...[more]

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