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Noninvasive evaluation of hepatic fibrosis using acoustic radiation force-based shear stiffness in patients with nonalcoholic fatty liver disease

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Palmeri, Mark L., Wang, Michael H., Rouze, Ned C., Abdelmalek, Manal F., Guy, Cynthia D., Moser, Barry, Diehl, Anna Mae, Nightingale, Kathryn R.·2011·Journal of Hepatology

Abstract

Background & Aims Nonalcoholic fatty liver disease (NAFLD), the most common form of chronic liver disease in developed countries, may progress to nonalcoholic steatohepatitis (NASH) in a minority of people. Those with NASH are at increased risk for cirrhosis and hepatocellular carcinoma. The potential risk and economic burden of utilizing liver biopsy to stage NAFLD in an overwhelmingly large at-risk population are enormous; thus, the discovery of sensitive, inexpensive, and reliable noninvasive diagnostic modalities is essential for population-based screening. Methods Acoustic Radiation Force Impulse (ARFI) shear wave imaging, a noninvasive method of assessing tissue stiffness, was used to evaluate liver fibrosis in 172 patients diagnosed with NAFLD. Liver shear stiffness measures in 3 different imaging locations were reconstructed and compared to the histologic features of NAFLD and AST-to-platelet ratio indices (APRI). Results Reconstructed shear stiffnesses were not associated with ballooned hepatocytes (p = 0.11), inflammation (p = 0.69), nor imaging location (p = 0.11). Using a predictive shear stiffness threshold of 4.24 kPa, shear stiffness distinguished low (fibrosis stage 0–2) from high (fibrosis stage 3–4) fibrosis stages with a sensitivity of 90% and a specificity of 90% (AUC of 0.90). Shear stiffness had a mild correlation with APRI (R2 = 0.22). BMI > 40 kg/m2 was not a limiting factor for ARFI imaging, and no correlation was noted between BMI and shear stiffness (R2 = 0.05). Conclusions ARFI imaging is a promising imaging modality for assessing the presence or absence of advanced fibrosis in patients with obesity-related liver disease.

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Metadata

Authors
Palmeri, M. L., Wang, M. H., Rouze, N. C., Abdelmalek, M. F., Guy, C. D., Moser, B., Diehl, A. M., & Nightingale, K. R.
Venue
Journal of Hepatology
Publisher
Elsevier BV
Published
2011-09
Volume
55
Issue
3
Pages
666-672
ISSN
0168-8278 (ISSN-L)
OpenAlex
W2047941698
Cited by
344
References
26
FWCI
24.21
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Noninvasive evaluation of hepatic fibrosis using acoustic radiation force-based shear stiffness in patients with nonalcoholic fatty liver disease. https://app.cochat.ai/papers/10.1016/j.jhep.2010.12.019
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Palmeri, M. L., Wang, M. H., Rouze, N. C., Abdelmalek, M. F., Guy, C. D., Moser, B., Diehl, A. M., & Nightingale, K. R. (2011). Noninvasive evaluation of hepatic fibrosis using acoustic radiation force-based shear stiffness in patients with nonalcoholic fatty liver disease. Journal of Hepatology. https://doi.org/10.1016/j.jhep.2010.12.019

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