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Lung Ultrasound in COVID-19 Pneumonia: Correlations with Chest CT on Hospital admission.
Respiration. 2020; 99(7):617-624.R

Abstract

BACKGROUND

Lung ultrasound (LUS) is an accurate, safe, and cheap tool assisting in the diagnosis of several acute respiratory diseases. The diagnostic value of LUS in the workup of coronavirus disease-19 (COVID-19) in the hospital setting is still uncertain.

OBJECTIVES

The aim of this observational study was to explore correlations of the LUS appearance of COVID-19-related pneumonia with CT findings.

METHODS

Twenty-six patients (14 males, age 64 ± 16 years) urgently hospitalized for COVID-19 pneumonia, who underwent chest CT and bedside LUS on the day of admission, were enrolled in this observational study. CT images were reviewed by expert chest radiologists, who calculated a visual CT score based on extension and distribution of ground-glass opacities and consolidations. LUS was performed by clinicians with certified competency in thoracic ultrasonography, blind to CT findings, following a systematic approach recommended by ultrasound guidelines. LUS score was calculated according to presence, distribution, and severity of abnormalities.

RESULTS

All participants had CT findings suggestive of bilateral COVID-19 pneumonia, with an average visual scoring of 43 ± 24%. LUS identified 4 different possible -abnormalities, with bilateral distribution (average LUS score 15 ± 5): focal areas of nonconfluent B lines, diffuse confluent B lines, small subpleural microconsolidations with pleural line irregularities, and large parenchymal consolidations with air bronchograms. LUS score was significantly correlated with CT visual scoring (r = 0.65, p < 0.001) and oxygen saturation in room air (r = -0.66, p < 0.001).

CONCLUSION

When integrated with clinical data, LUS could represent a valid diagnostic aid in patients with suspect COVID-19 pneumonia, which reflects CT findings.

Authors+Show Affiliations

Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy.Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy. Department of Medicine and Surgery, University of Parma, Parma, Italy.Diagnostic Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy.Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy.Department of Medicine and Surgery, University of Parma, Parma, Italy. General and Specialized Surgical Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy.Department of Medicine and Surgery, University of Parma, Parma, Italy. General and Specialized Surgical Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy.Faculty of Medicine, University Vita-Salute San Raffaele, Milan, Italy.Department of Medicine and Surgery, University of Parma, Parma, Italy. Diagnostic Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy.Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy. Department of Medicine and Surgery, University of Parma, Parma, Italy.Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy, aticinesi@ao.pr.it.

Pub Type(s)

Journal Article
Observational Study

Language

eng

PubMed ID

32570265

Citation

Nouvenne, Antonio, et al. "Lung Ultrasound in COVID-19 Pneumonia: Correlations With Chest CT On Hospital Admission." Respiration; International Review of Thoracic Diseases, vol. 99, no. 7, 2020, pp. 617-624.
Nouvenne A, Zani MD, Milanese G, et al. Lung Ultrasound in COVID-19 Pneumonia: Correlations with Chest CT on Hospital admission. Respiration. 2020;99(7):617-624.
Nouvenne, A., Zani, M. D., Milanese, G., Parise, A., Baciarello, M., Bignami, E. G., Odone, A., Sverzellati, N., Meschi, T., & Ticinesi, A. (2020). Lung Ultrasound in COVID-19 Pneumonia: Correlations with Chest CT on Hospital admission. Respiration; International Review of Thoracic Diseases, 99(7), 617-624. https://doi.org/10.1159/000509223
Nouvenne A, et al. Lung Ultrasound in COVID-19 Pneumonia: Correlations With Chest CT On Hospital Admission. Respiration. 2020;99(7):617-624. PubMed PMID: 32570265.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Lung Ultrasound in COVID-19 Pneumonia: Correlations with Chest CT on Hospital admission. AU - Nouvenne,Antonio, AU - Zani,Marco Davìd, AU - Milanese,Gianluca, AU - Parise,Alberto, AU - Baciarello,Marco, AU - Bignami,Elena Giovanna, AU - Odone,Anna, AU - Sverzellati,Nicola, AU - Meschi,Tiziana, AU - Ticinesi,Andrea, Y1 - 2020/06/22/ PY - 2020/05/27/received PY - 2020/06/08/accepted PY - 2020/6/23/pubmed PY - 2020/9/9/medline PY - 2020/6/23/entrez KW - Chest ultrasound KW - Coronavirus pneumonia KW - Point-of-care ultrasonography KW - SARS-CoV-2 KW - Thoracic ultrasound SP - 617 EP - 624 JF - Respiration; international review of thoracic diseases JO - Respiration VL - 99 IS - 7 N2 - BACKGROUND: Lung ultrasound (LUS) is an accurate, safe, and cheap tool assisting in the diagnosis of several acute respiratory diseases. The diagnostic value of LUS in the workup of coronavirus disease-19 (COVID-19) in the hospital setting is still uncertain. OBJECTIVES: The aim of this observational study was to explore correlations of the LUS appearance of COVID-19-related pneumonia with CT findings. METHODS: Twenty-six patients (14 males, age 64 ± 16 years) urgently hospitalized for COVID-19 pneumonia, who underwent chest CT and bedside LUS on the day of admission, were enrolled in this observational study. CT images were reviewed by expert chest radiologists, who calculated a visual CT score based on extension and distribution of ground-glass opacities and consolidations. LUS was performed by clinicians with certified competency in thoracic ultrasonography, blind to CT findings, following a systematic approach recommended by ultrasound guidelines. LUS score was calculated according to presence, distribution, and severity of abnormalities. RESULTS: All participants had CT findings suggestive of bilateral COVID-19 pneumonia, with an average visual scoring of 43 ± 24%. LUS identified 4 different possible -abnormalities, with bilateral distribution (average LUS score 15 ± 5): focal areas of nonconfluent B lines, diffuse confluent B lines, small subpleural microconsolidations with pleural line irregularities, and large parenchymal consolidations with air bronchograms. LUS score was significantly correlated with CT visual scoring (r = 0.65, p < 0.001) and oxygen saturation in room air (r = -0.66, p < 0.001). CONCLUSION: When integrated with clinical data, LUS could represent a valid diagnostic aid in patients with suspect COVID-19 pneumonia, which reflects CT findings. SN - 1423-0356 UR - https://www.unboundmedicine.com/medline/citation/32570265/Lung_Ultrasound_in_COVID_19_Pneumonia:_Correlations_with_Chest_CT_on_Hospital_admission_ L2 - https://www.karger.com?DOI=10.1159/000509223 DB - PRIME DP - Unbound Medicine ER -