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- W3082177564 abstract "Aim A new method has recently been developed for diagnosing hepatic steatosis based on attenuation measurement using ultrasound. We investigated the ability of attenuation imaging (ATI) to detect steatosis that was identified by proton density fat fraction (PDFF) on magnetic resonance imaging (MRI) in patients with chronic liver disease. Methods A total of 119 patients with chronic liver disease (non‐B, non‐C) were analyzed. The relationship between ATI values and steatosis grades determined by PDFF was evaluated. Additionally, the diagnostic ability of ATI was evaluated using receiver operating characteristic curve analysis, and the correlation between ATI values and PDFF values was determined. Results The ATI values of steatosis grades 0, 1, 2, and 3 were 0.55, 0.61, 0.74, and 0.84 dB/cm/MHz, respectively ( P < 0.001). There was a statistically significant trend of higher ATI values with higher steatosis grades ( P < 0.001). The correlation coefficient ( r ) between PDFF values and ATI values was 0.70 (95% confidence interval [CI] 0.59–0.78; P < 0.001), corresponding to a strong relationship. The diagnostic ability of ATI for steatosis grades ≥1, ≥2, and 3, as determined by PDFF, were 0.81 (95% CI 0.73–0.89), 0.87 (95% CI 0.79–0.96), and 0.94 (95% CI 0.89–0.98), respectively. The r between PDFF values and ATI values was 0.49 (95% CI 0.31–0.63; P < 0.001) for patients with mild or no steatosis (grade ≤1), and 0.75 (95% CI 0.57–0.86; P < 0.001) for obese patients (body mass index ≥25 kg/m 2 ). Conclusion ATI values had an excellent diagnostic ability to detect hepatic steatosis." @default.
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- W3082177564 date "2020-09-15" @default.
- W3082177564 modified "2023-10-01" @default.
- W3082177564 title "Attenuation imaging based on ultrasound technology for assessment of hepatic steatosis: A comparison with magnetic resonance imaging‐determined proton density fat fraction" @default.
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- W3082177564 doi "https://doi.org/10.1111/hepr.13563" @default.
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