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JAMA. 1977 Oct 24;238(17):1833-5.

Pulmonary edema as a complication of acute airway obstruction.


Acute fulminating pulmonary edema developed in three patients after acute airway obstruction secondary to tumor, strangulation, and interrupted hanging (one case each). The common etiologic factor was vigorous inspiratory effort against a totally obstructed upper airway. Acute pulmonary edema followed the event in minutes to hours and required ventilatory assistance to maintain oxygenation. All patients eventually responded to fluid restriction, diuretics, and steroids. One case was complicated by aspiration of gastric contents following respiratory failure. To our knowledge, this condition is previously unreported in English literature. We presume that the pathogenesis is related to alveolar and capillary damage, induced by the severe negative pressure generated by attempting to inspire against the closed upper airway.

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