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I. Pasic, S. Terzić, Jovana Nisandzic, D. Pokrajac
3 1. 10. 2020.

Lung ultrasound and neonatal respiratory distress syndrome

Background: Respiratory distress syndrome (RDS) in premature neonates has high morbidity, and it is encountered as one of the most common pathological conditions in these patients. This prospective study included 51 patients with a mean gestational age of 31 gestational weeks, hospitalized in the neonatal intensive care unit (NICU) in a tertiary-level university hospital. Aims and Objectives: The aim of our study is a comparison between lung ultrasound (US) and chest radiography in diagnosing RDS in premature neonates. Materials and Methods: US findings were classified into three profile scales and X-ray findings into a four-grade radiographic scale. Results: The results show a good concordance between chest radiography and lung US with kappa, sensitivity, and negative predictive value results in favor of US. Most of the patients had US-profile 1, which corresponds to X-ray profiles 3 and 4. US finding included the presence of confluent B lines, “white lungs,” subpleural consolidations, and thick pleura, but also A-lines, mostly found in a resolution of the disease and mild cases. Conclusion: Lung US still is not a routine procedure despite its wide use in NICUs, and as non-harmful, repeatable method, it can be used as a complementary modality to a chest X-ray. By introducing lung US as a standard method of examination in day-to-day work, it would be possible to reduce the use of X-ray studies in premature neonates.


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