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  • Title: Necrotizing tracheobronchitis: a complication of high-frequency ventilation.
    Author: Boros SJ, Mammel MC, Lewallen PK, Coleman JM, Gordon MJ, Ophoven J.
    Journal: J Pediatr; 1986 Jul; 109(1):95-100. PubMed ID: 3723247.
    Abstract:
    The tracheobronchial histopathologic findings in eight neonates who died after treatment with high-frequency jet ventilation (HFJV) were compared with those in eight similar infants who died after treatment with conventional mechanical ventilation. The HFJV and conventionally treated groups were matched as closely as possible for birth weight, gestational age, and duration of mechanical ventilation. A 4-point, nine-variable histologic scoring system was used to grade tissue changes in the trachea, carina, and mainstem bronchi. The patients who received HFJV had significantly more histologic damage in their tracheas, carinas, and right and left mainstem bronchi. At all levels of the airway examined, HFJV was associated with more inflammation, greater losses of ciliated epithelium, and more mucus within the lumen of the airway than was conventional mechanical ventilation.
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