An infant with acute exacerbation of bronchopulmonary dysplasia (BPD) is placed on mechanical ventilation. The most appropriate ventilator strategy is:
A.
A normal PaCO₂
B.
An adequate FiO₂ to maintain oxygen saturation greater than 95%
In BPD, the lungs are already injured and prone tovolutrauma and barotrauma. Ventilator strategies often include“gentle ventilation”withlower tidal volumesandpermissive hypercapniato reduce lung injury. This accepts slightly elevated CO₂ levels to avoid high pressures.
“Permissive hypercapnia is a lung-protective strategy used in infants with BPD to minimize ventilator-induced injury. Target PaCO₂ levels are allowed to be mildly elevated as long as pH is maintained.”
(Referenced from CCRN Pediatric – Direct Care: Pulmonary, Chronic Lung Disease Management)
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