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Am J Perinatol 2022; 39(11): 1229-1235
DOI: 10.1055/s-0040-1721848
Original Article

Lung Ultrasound for Predicting the Respiratory Outcome in Patients with Bronchopulmonary Dysplasia

Yusuke Hoshino 
1   Department of Neonatology, Ibaraki Children's Hospital, Mito, Japan
,
Junichi Arai
1   Department of Neonatology, Ibaraki Children's Hospital, Mito, Japan
,
Rena Miura
1   Department of Neonatology, Ibaraki Children's Hospital, Mito, Japan
,
Syusuke Takeuchi
1   Department of Neonatology, Ibaraki Children's Hospital, Mito, Japan
,
Yoshiya Yukitake
1   Department of Neonatology, Ibaraki Children's Hospital, Mito, Japan
,
Daigo Kajikawa
1   Department of Neonatology, Ibaraki Children's Hospital, Mito, Japan
,
Tae Kamakura
1   Department of Neonatology, Ibaraki Children's Hospital, Mito, Japan
,
Hitoshi Horigome
2   Department of Child Health, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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Abstract

Objective This study aimed to investigate the utility of lung ultrasound (LUS) with whole chest scanning for predicting respiratory outcomes in patients with bronchopulmonary dysplasia (BPD).

Study Design We performed a prospective observational study. Preterm infants of less than 32 weeks' gestational age requiring oxygen therapy at 28 days of life were included. LUS was performed on day 28, at 36 weeks' postmenstrual age, and at the time of discharge. Each lung was divided into three regions by the anterior and posterior axillary lines and received an LUS score of 0 to 3 points; the total score was obtained by adding the six regional scores. The classification of BPD was determined based on the National Institute of Child and Human Development. The outcomes of this study were the development of moderate-to-severe BPD and the need for home oxygen therapy (HOT).

Results We enrolled 87 patients; 39, 33, and 15 infants had mild, moderate, and severe BPD, respectively. The LUS score correlated with BPD severity and exhibited an improvement trend with time toward the point of discharge. LUS at 28 days of life predicted moderate-to-severe BPD with an area under the curve of 0.95 (95% confidence interval: 0.91–0.99) and HOT with an area under the curve of 0.95 (95% confidence interval: 0.81–1.0).

Conclusion LUS with whole chest scanning is useful for predicting respiratory outcomes in patients with BPD, as well as for understanding BPD severity or clinical improvement trends.

Key Points

  • LUS predicts respiratory outcomes in patients with BPD.

  • LUS indicates BPD severity.

  • LUS can show clinical improvement with time.

Keywords

bronchopulmonary dysplasia - lung - neonatal intensive care unit - point-of-care ultrasound - preterm infant

Supplementary Material



Publikationsverlauf

Eingereicht: 04. August 2020

Angenommen: 17. November 2020

Artikel online veröffentlicht:
29. Dezember 2020

© 2020. Thieme. All rights reserved.

Thieme Medical Publishers, Inc.
333 Seventh Avenue, 18th Floor, New York, NY 10001, USA

 

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