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Journal of Medical Ultrasonics
Published in: Journal of Medical Ultrasonics 1/2021

Open Access 01-01-2021 | Computed Tomography | Review Article–Respirology

Point-of-care lung ultrasound for the assessment of pneumonia: a narrative review in the COVID-19 era

Authors: Toru Kameda, Yoshihiro Mizuma, Hayato Taniguchi, Masato Fujita, Nobuyuki Taniguchi

Published in: Journal of Medical Ultrasonics | Issue 1/2021

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Abstract

In the coronavirus disease-2019 (COVID-19) era, point-of-care lung ultrasound (LUS) has attracted increased attention. Prospective studies on LUS for the assessment of pneumonia in adult patients were extensively carried out for more than 10 years before this era. None of these prospective studies attempted to differentiate bacterial and viral pneumonia in adult patients using LUS. The majority of studies considered the LUS examination to be positive if sonographic consolidations or multiple B-lines were observed. Significant differences existed in the accuracy of these studies. Some studies revealed that LUS showed superior sensitivity to chest X-ray. These results indicate that point-of-care LUS has the potential to be an initial imaging modality for the diagnosis of pneumonia. The LUS diagnosis of ventilator-associated pneumonia in intensive care units is more challenging in comparison with the diagnosis of community-acquired pneumonia in emergency departments due to the limited access to the mechanically ventilated patients and the high prevalence of atelectasis. However, several studies have demonstrated that the combination of LUS findings with other clinical markers improved the diagnostic accuracy. In the COVID-19 era, many case reports and small observational studies on COVID-19 pneumonia have been published in a short period. Multiple B-lines were the most common and consistent finding in COVID-19 pneumonia. Serial LUS showed the deterioration of the disease. The knowledge and ideas on the application of LUS in the management of pneumonia that are expected to accumulate in the COVID-19 era may provide us with clues regarding more appropriate management.
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Metadata
Title
Point-of-care lung ultrasound for the assessment of pneumonia: a narrative review in the COVID-19 era
Authors
Toru Kameda
Yoshihiro Mizuma
Hayato Taniguchi
Masato Fujita
Nobuyuki Taniguchi
Publication date
01-01-2021
Publisher
Springer Singapore
Published in
Journal of Medical Ultrasonics / Issue 1/2021
Print ISSN: 1346-4523
Electronic ISSN: 1613-2254
DOI
https://doi.org/10.1007/s10396-020-01074-y

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