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  • Chest imaging in...

Chest imaging in COVID-19 infection: Multi society statement

Written By : Hina Zahid |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2020-04-08T18:15:55+05:30  |  Updated On 8 April 2020 6:16 PM IST
Chest imaging in COVID-19 infection: Multi society statement
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A multinational consensus statement from the Fleischner Society on the role of chest imaging in the management of patients with COVID-19 has been released. The statement has been jointly published in the journals Radiology and Chest.

With more than 900,000 confirmed cases worldwide and nearly 50,000 deaths during the first three months of 2020, the COVID-19 pandemic has emerged as an unprecedented healthcare crisis.

"We need to understand that conditions across the globe vary greatly. Our goal in developing this statement was to offer guidance that is sensitive to these differences and applicable broadly," said Geoffrey D. Rubin, M.D., George B. Geller Profeslinksor of Cardiovascular Research, professor of radiology and bioengineering at Duke University School of Medicine in Durham, North Carolina.

Main essentials of statement are-

1.Imaging is not indicated in patients with suspected COVID-19 and mild clinical features unless they are at risk for disease progression.

2.Imaging is indicated in a patient with COVID-19 and worsening respiratory status.

3.In a resource-constrained environment, imaging is indicated for medical triage of patients with suspected COVID-19 who present with moderate-severe clinical features and a high pre-test probability of disease.

The statement represents the collective opinions and perspectives of thoracic radiology, pulmonology, intensive care, emergency medicine, laboratory medicine and infection control experts practicing in 10 countries, representative of the highest burden of COVID-19 worldwide.

"The willingness of experts from around the world to pause from their care of patients to contribute their knowledge and experience toward this international consensus was inspiring," Dr. Rubin said.

Chest CT and X-ray are key tools in the diagnosis and management of numerous respiratory ailments, but their role in the management of COVID-19 has not been considered within the context of many variables, including the severity of respiratory disease, pre-test probability, risk factors for disease progression, and critical resource constraints.

"The Fleischner statement was uniquely comprised of a multidisciplinary panel comprised principally of radiologists and pulmonologists from 10 countries with experience managing COVID-19 patients across a spectrum of healthcare environments," said Radiology Editor David A. Bluemke, M.D.

The panel evaluated the utility of imaging within three scenarios representing varying risk factors, community conditions and resource constraints.

Fourteen key questions, corresponding to 11 decision points within the three scenarios and three additional clinical situations, were rated by the panel based upon the anticipated value of the information that thoracic imaging would be expected to provide. The results were aggregated, resulting in five main and three additional recommendations intended to guide medical practitioners in the use of chest X-ray and CT in the management of COVID-19.

The results suggested that imaging is not routinely indicated in asymptomatic individuals or patients with suspected COVID-19 and mild clinical symptoms. Use of chest imaging is indicated in patients with COVID-19 who have worsening respiratory status. Imaging is also indicated for patients with moderate to severe features of COVID-19 regardless of COVID-19 test results.

In a resource-constrained environment (lack of personal protection equipment or availability of COVID-19 testing), imaging is indicated for medical triage of patients with suspected COVID-19 who present with moderate to severe clinical features and a high pre-test probability of disease.

The panel also found that CT is appropriate in patients with functional impairment and/or hypoxemia (low level of oxygen in the blood) after recovery from COVID-19. When there is known community transmission, evidence of COVID-19 has been incidentally found on CT scans. In these cases, patients should have COVID-19 testing using a reverse-transcription polymerase chain reaction (RT-PCR) viral assay.

The authors note that this consensus statement represents opinion at a moment in time within a highly dynamic environment where the status of regional epidemics and the availability of critical resources to combat those epidemics vary daily. Recommendations may undergo refinement as the situation evolves.

"Currently, no therapy has been confirmed to alter the course of COVID-19, there is no known cure, and there is no vaccine for prevention," Dr. Rubin said. "As effective treatments are developed, thoracic imaging may find new roles by establishing treatment response or characterizing patients as likely responders to novel therapies."

RSNA is committed to connecting radiologists and the radiology community to the most timely and useful COVID-19 information and resources. RSNA's COVID-19 Resources page houses the latest guidance, original research, image collection and more. The page will be updated on an ongoing basis.

For more details click on the link: DOI: 10.1148/radiol.2020201365

chest imagingcovid 19radiology and chestthoracic radiology
Source : Radiology and Chest
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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