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Expiratory Central Airway Collapse in Adults: Anesthetic Implications (Part 1)
Ricardo Diaz Milian1, Edward Foley1, Maria Bauer1
1Augusta University, Medical College of Georgia, Augusta, GA.
Abstract:
Expiratory central airway collapse (ECAC) is a general term that incorporates tracheobronchomalacia (TBM) and excessive dynamic airway collapse (EDAC). TBM and EDAC are progressive, degenerative disorders of the tracheobronchial tree, causing airway collapse. Induction of general anesthesia can trigger intraoperative airway collapse in patients with these conditions. This crisis presents as the sudden inability to ventilate, which can lead to life-threatening hypoxemia and hypercapnia. This article reviews the definition, pathophysiology, diagnosis, and anesthetic implications of ECAC.
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