Role of Lung Ultrasonography to Evaluate Surfactant Need in Preterm Neonates in Suez Canal District

Document Type : Original Article

Authors

1 Assistant lecturer, Pediatrics and neonatology, faculty of medicine, port said university, Egypt

2 Professor, Department of pediatrics and neonatology, Faculty of Medicine port said University; port said, Egypt

3 Assistant consultant, Department of diagnostic radiology, Mansoura University children hospital; Mansoura, Egypt.

Abstract

Abstract:
Background
Respiratory distress syndrome (RDS) continues to represent a crucial problem for preterm neonates despite the new advancement in its management. Currently, management of RDS is mainly through using early continuous positive airway pressure (CPAP) together with early selective administration of surfactant. Lung ultrasound (LUS), as a simple and non-invasive diagnostic technique, can be used as a reliable diagnostic tool for diagnosis of neonatal respiratory distress syndrome with good sensitivity and specificity.
Aim
Assess the applicability of lung ultrasonography for early prediction of the surfactant need in preterm neonates ≤ 34 weeks.
patients /Methods
We studied 60 neonates ≤ 34 weeks treated with early CPAP; LUS was done in the first 2 hours of life. 16 neonates received surfactant therapy according to European guidelines 2019 update. We assess the reliability of LUS score for prediction of surfactant treatment.
Results
The result of our study shows that in the group received surfactant the median LUS score was 10, While in the group that didn’t need surfactant therapy, the median LUS score was 4. About reliability of LUS score for prediction of surfactant treatment. Our results showed that LUS score at a cutoff value of ≥ 6 has a sensitivity of 93.8 % and a specificity of 84.1 %. while Chest X-ray score at a cut-off value of ≥ 5 has a sensitivity of 81.3 % and specificity of 77.3 %.
Conclusion
LUS score is a useful tool in early prediction of need for surfactant administration in preterm neonates on CPAP.

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