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Bedside Ultrasound Can Predict Nonalcoholic Fatty Liver Disease in the Hands of Clinicians Using a Prototype Image

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Abstract

This study was designed to test whether ultrasound can be used to diagnose nonalcoholic fatty liver disease (NAFLD) utilizing a prototype. We collected 115 ultrasounds. A prototype was chosen that represented NAFLD; 5 features of NAFLD prototype were described. Ultrasounds were read blinded to diagnosis as matching prototype or not. A 20-minute teaching session was made to a group of 15 providers. Ten ultrasounds were presented for comparison to prototype with intraobserver reliability measured. Of 20 patients shown by liver biopsy to have NAFLD, 16 were successfully predicted by comparison to the prototype (sensitivity 80%). In 94 of 95 cases, ultrasound predicted those without NAFLD (specificity 99%). The positive predictive value was 94% and negative predictive value 96%. Training results showed substantial agreement with a kappa score of 0.76 with 95% of cases identified correctly. In conclusion, physicians can apply a bedside ultrasound to identify NAFLD when compared to prototype.

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Authors and Affiliations

  1. Department of Medicine, Pennsylvania State University Hershey Medical Center, Hershey, Pennsylvania, USA

    Thomas R. Riley III MD & Alfredo Mendoza MD

  2. Department of Radiology, Pennsylvania State University Hershey Medical Center, Hershey, Pennsylvania, USA

    Michael A. Bruno

  3. PO Box 850 MC 045, Hershey, PA, 17022, USA

    Thomas R. Riley III MD

Authors
  1. Thomas R. Riley III MD
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  2. Alfredo Mendoza MD
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  3. Michael A. Bruno
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Correspondence to Thomas R. Riley III MD.

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Riley, T.R., Mendoza, A. & Bruno, M.A. Bedside Ultrasound Can Predict Nonalcoholic Fatty Liver Disease in the Hands of Clinicians Using a Prototype Image. Dig Dis Sci 51, 982–985 (2006). https://doi.org/10.1007/s10620-006-9343-6

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  • DOI: https://doi.org/10.1007/s10620-006-9343-6

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