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Lung ultrasound (LUS) and surfactant treatment: looking for the best predictive moment

Journal of Perinatology volume 41, pages 1669–1674 (2021)Cite this article

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Abstract

Objective

Assess the earliest time of LUS to guide surfactant therapy.

Study design

In this observational study (ClinicalTrials.gov Identifier NCT04544514), LUS was performed within 30 min and repeated at 1, 2, 4, and 6 h on preterm babies. White lung appearance was defined as type 1 group, whereas prevalence of lines B as type 2 and lines A as type 3. Ultrasound and radiographic findings were also compared to determine surfactant need.

Results

Among 71 patients, 41 received surfactant therapy. In the first evaluation, 37 of them have been defined as type 1, whereas 4 of them have been as type 2 group. Type 3 group did not receive surfactant. Type 1 findings were superior to predict surfactant need and the predictive value was 100% at 2 h.

Conclusion

Even early LUS assessment at the first 20–30 min  was more significant to predict surfactant need than x-ray. Presence of white lung appearance for 2 h indicates an absolute surfactant need.

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Fig. 1: LUS findings are divided into three groups.
Fig. 2: Patients LUS scores and flow diagram.
Fig. 3: The images of the patient who received surfactant at the sixth hour.
Fig. 4: The x-ray image of the patient who received surfactant at the sixth hour.

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Authors and Affiliations

  1. Division of Neonatology, Department of Pediatrics, Hacettepe University, Ankara, Turkey

    Gozdem Kayki, Sule Yigit, Umit Ayse Tandircioglu, Hasan Tolga Celik & Murat Yurdakok

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  1. Gozdem Kayki
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  2. Sule Yigit
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Correspondence to Gozdem Kayki.

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Kayki, G., Yigit, S., Tandircioglu, U.A. et al. Lung ultrasound (LUS) and surfactant treatment: looking for the best predictive moment. J Perinatol 41, 1669–1674 (2021). https://doi.org/10.1038/s41372-021-01039-0

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