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Pocket-Sized Versus Conventional Ultrasound for Detecting Fatty Infiltration of the Liver

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Abstract

Background and Aims

The high prevalence of nonalcoholic fatty liver disease (NAFLD) in the general population warrants determining whether pocket-sized ultrasound devices (PoCUS) might serve as point-of-care screening for NAFLD in busy office practices.

Methods

One hundred adult subjects undergoing conventional abdominal ultrasound (US) examinations for various indications were screened by PoCUS immediately prior to the conventional US procedure. The PoCUS examination only assessed the presence or absence of excess fat. Assessment of other liver pathology was not performed. Investigators (conventional US: an experienced radiologist and PoCUS: a general internist recently trained in the use of PoCUS) were blinded to the results of the alternative imaging.

Results

Forty patients (40%) had fatty infiltration of the liver on both conventional US and PoCUS, and 49 (49%) were negative by both modalities. A consensus was reached in two of the 11 remaining subjects with initially discrepant results. The overall sensitivity and specificity of PoCUS relative to conventional US were 91% and 88%, respectively.

Conclusions

These findings support the use of PoCUS by a trained physician for point-of-care screening of patients at risk for NAFLD.

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Acknowledgments

This study was supported by a grant from Novo Nordisk Canada. The authors wish to thank Ms R. Vizniak for her prompt and accurate typing of the manuscript.

Funding

This research was supported by funding from Novo Nordisk Canada Inc.

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Authors and Affiliations

Authors

Contributions

Study concept and design—GYM; acquisition of data—DAM, CSL; analysis and interpretation of data—DAM, CSL, JU, GYM; drafting of the manuscript—DAM, GYM; critical revision of the manuscript for important intellectual content—DAM, GYM, CSL, SC; statistical analysis—JU, DAM; obtained funding—GYM; administrative, technical or material support—KH, DAM, GYM; study supervision—GYM, SC.

Corresponding author

Correspondence to G. Y. Minuk.

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The authors declare that they have no conflict of interest.

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Miles, D.A., Levi, C.S., Uhanova, J. et al. Pocket-Sized Versus Conventional Ultrasound for Detecting Fatty Infiltration of the Liver. Dig Dis Sci 65, 82–85 (2020). https://doi.org/10.1007/s10620-019-05752-x

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  • DOI: https://doi.org/10.1007/s10620-019-05752-x

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