Abstract
Dynamic airway collapse (DAC) is characterized by more than 50% of tracheal diameter reduction during expiration because of the laxity of the posterior membranous portion of the trachea with structurally intact tracheal cartilage. When more than 70% collapsed, it is often termed excessive dynamic airway collapse (EDAC). The exact prevalence of DAC and EDAC is not yet precisely known. Further, the clinicians’ possibility of missing diagnosing such conditions is high as they mimic tracheobronchomalacia. Obesity, smoking, chronic obstructive pulmonary diseases, bronchial asthma, and obstructive sleep apnea are a few risk factors for DAC. Although benign, DAC and EDAC can cause multiple problems, including respiratory failure in the perioperative period and even difficult weaning in intensive care patients. As positive airway pressure has the pneumatic stenting capability, therefore, noninvasive ventilatory approaches for such patients appear logical. The present chapter briefly describes the condition and the use of NIV in such patients.
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Rajendran, P., Karim, H.M.R. (2023). Noninvasive Ventilation in Dynamic Airway Collapse. In: Esquinas, A.M., De Vito, A., Barbetakis, N. (eds) Upper Airway Disorders and Noninvasive Mechanical Ventilation. Springer, Cham. https://doi.org/10.1007/978-3-031-32487-1_16
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DOI: https://doi.org/10.1007/978-3-031-32487-1_16
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