air leak syndrome

(redirected from extrapulmonary airpulmonary air leak)

air leak syndrome

A condition characterised by alveolar or airway rupture into the pulmonary interstitium, typically accompanied by escape of air into regional tissues, including the pleura, mediastinum, subcutaneous tissues or abdominal cavity; it is more common in children.

Aetiology
Overdistention of lungs, uneven ventilation, chemical injury, trauma, Valsalva manoeuvre, idiopathic (spontaneous).

Predisposing factors
Respiratory distress syndrome, immaturity of lungs, positive pressure ventilation, foetal distress/asphyxia, botched intubation, atelectasis, resuscitation, tracheal suctioning, pneumonia including aspiration pneumonia.
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