JAMA pediatrics
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Lung ultrasonography (LUS) is a bedside technique useful to diagnose neonatal respiratory problems, but, to our knowledge, no data are available about its use for monitoring lung function or eventually guiding surfactant therapy. ⋯ The LUS score is well correlated with oxygenation status in both term and preterm neonates, and it shows good reliability to predict surfactant administration in preterm babies with a GA less than 34 weeks under continuous positive airway pressure.
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Advanced diagnostic imaging is commonly used in the evaluation of suspected appendicitis in children. Despite its inferior diagnostic performance, ultrasonography (US) is now preferred to computed tomography (CT) owing to concerns about ionizing radiation exposure. With changes in imaging modalities, the influence on outcomes should be assessed. ⋯ Among children with suspected appendicitis, the use of US imaging has increased substantially as the use of CT has declined. Despite the increased reliance on the diagnostically inferior US, important condition-specific quality measures, including the frequency of appendiceal perforation and ED revisits, remained stable, and the proportion of negative appendectomy declined slightly.