Pulmonary Ultrasound in the Diagnosis and Monitoring of Coronavirus Disease (COVID-19): A Systematic Review

Samuel Pecho-Silva, Ana Claudia Navarro-Solsol, Alvaro Taype-Rondan, Javier Torres-Valencia, Kovy Arteaga-Livias, Daniel Albert Herriman, Karim Acosta-Pinzas, German Valenzuela-Rodriguez, Joshuan J. Barboza, Vicky Panduro-Correa*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

9 Scopus citations


The goal of this review was to systematize the evidence on pulmonary ultrasound (PU) use in diagnosis, monitorization or hospital discharge criteria for patients with coronavirus disease 2019 (COVID-19). Evidence on the use of PU for diagnosis and monitorization of or as hospital discharge criteria for COVID-19 patients confirmed to have COVID-19 by reverse transcription polymerase chain reaction (RT-PCR) between December 1, 2019 and July 5, 2020 was compared with evidence obtained with thoracic radiography (TR), chest computed tomography (CT) and RT-PCR. The type of study, motives for use of PU, population, type of transducer and protocol, results of PU and quantitative or qualitative correlation with TR and/or chest CT and/or RT-PCR were evaluated. A total of 28 articles comprising 418 patients were involved. The average age was 50 y (standard deviation: 25.1 y), and there were 395 adults and 23 children. One hundred forty-three were women, 13 of whom were pregnant. The most frequent result was diffuse, coalescent and confluent B-lines. The plural line was irregular, interrupted or thickened. The presence of subpleural consolidation was noduliform, lobar or multilobar. There was good qualitative correlation between TR and chest CT and a quantitative correlation with chest CT of r = 0.65 (p < 0.001). Forty-four patients were evaluated only with PU. PU is a useful tool for diagnosis and monitorization and as criteria for hospital discharge for patients with COVID-19.

Original languageEnglish
Pages (from-to)1997-2005
Number of pages9
JournalUltrasound in Medicine and Biology
Issue number8
StatePublished - Aug 2021


  • B-Lines
  • COVID-19
  • Pulmonary ultrasound
  • Thoracic radiography
  • Thoracic tomography


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