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Ultrasound findings in critical care patients: the “liver sign” and other abnormal abdominal air patterns

Overview of attention for article published in The Ultrasound Journal, March 2016
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Title
Ultrasound findings in critical care patients: the “liver sign” and other abnormal abdominal air patterns
Published in
The Ultrasound Journal, March 2016
DOI 10.1186/s13089-016-0039-7
Pubmed ID
Authors

Joseph Dahine, Annie Giard, David-Olivier Chagnon, André Denault

Abstract

In critical care patients, point of care abdominal ultrasound examination, although it has been practiced for over 30 years, is not as widespread as its cardiac or pulmonary counterparts. We report two cases in which detection of air during abdominal ultrasound allowed the early detection of life-threatening pathologies. In the first case, a patient with severe Clostridium difficile was found to have portal venous gas but its significance was confounded by a recent surgery. Serial ultrasonographic exams triggered a surgical intervention. In the second case, we report what we call the "liver sign" a finding in patients with pneumoperitoneum. These findings, all obtained prior to conventional abdominal imaging, had immediate clinical impact and avoided unnecessary delays and radiation. Detection of abdominal air should be part of the routine-focused ultrasonographic exam and for critically ill patients an algorithm is proposed.

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The data shown below were compiled from readership statistics for 53 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Japan 1 2%
Unknown 52 98%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 15%
Professor > Associate Professor 8 15%
Student > Postgraduate 6 11%
Student > Bachelor 5 9%
Other 5 9%
Other 10 19%
Unknown 11 21%
Readers by discipline Count As %
Medicine and Dentistry 32 60%
Arts and Humanities 1 2%
Pharmacology, Toxicology and Pharmaceutical Science 1 2%
Immunology and Microbiology 1 2%
Business, Management and Accounting 1 2%
Other 2 4%
Unknown 15 28%