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논문 기본 정보

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학술저널
저자정보
Takashi Kumada (Department of Nursing, Faculty of Nursing, Gifu Kyoritsu University) Hidenori Toyoda (Department of Gastroenterology and Hepatology, Ogaki Municipal Hospital, Ogaki) Sadanobu Ogawa (Department of Imaging Diagnosis, Ogaki Municipal Hospital) Tatsuya Gotoh (Department of Imaging Diagnosis, Ogaki Municipal Hospital, Ogaki) Yasuaki Suzuki (Department of Gastroenterology, Nayoro City General Hospital, Nayoro) Kento Imajo (Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine Graduate school of Medicine, Yokohama; Department of Gastroenterology and Endoscopy, Shinyurigaoka) Katsutoshi Sugimoto (Department of Gastroenterology and Hepatology, Tokyo Medical University,) Tatsuya Kakegawa (Department of Gastroenterology and Hepatology, Tokyo Medical University) Hidekatsu Kuroda (Division of Hepatology, Department of Internal Medicine, Iwate Medical University School of Medicine) Yutaka Yasui (Department of Gastroenterology and Hepatology, Musashino Red Cross Hospital, Musashino-shi) Nobuharu Tamaki (Department of Gastroenterology and Hepatology, Musashino Red Cross Hospital) Masayuki Kurosaki (Department of Gastroenterology and Hepatology, Musashino Red Cross Hospital, Musashino-shi) Namiki Izumi (Department of Gastroenterology and Hepatology, Musashino Red Cross Hospital, Musashino-shi) Tomoyuki Akita (Department of Epidemiology, Infectious Disease Control, and Prevention, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima) Junko Tanaka (Department of Epidemiology, Infectious Disease Control, and Prevention, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima) Atsushi Nakajima (Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine Graduate School of Medicine, Yokohama, Japan)
저널정보
대한초음파의학회 ULTRASONOGRAPHY ULTRASONOGRAPHY Vol.43 No.2
발행연도
2024.3
수록면
121 - 131 (11page)
DOI
10.14366/usg.23194

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Purpose: The effect of hepatic fibrosis stage on quantitative ultrasound based on the attenuation coefficient (AC) for liver lipid quantification is controversial. The objective of this study was to determine how the degree of fibrosis assessed by magnetic resonance (MR) elastography affects AC based on the ultrasound-guided attenuation parameter according to the grade of hepatic steatosis, using magnetic resonance imaging (MRI)–derived proton density fat fraction (MRI- derived PDFF) as the reference standard. Methods: Between February 2020 and April 2021, 982 patients with chronic liver disease who underwent AC and MRI-derived PDFF measurement as well as MR elastography were enrolled. Multiple regression was used to investigate whether AC was affected by the degree of liver stiffness. Results: AC increased as liver stiffness progressed in 344 patients without hepatic steatosis (P=0.009). In multivariable analysis, AC was positively correlated with skin-capsule distance (P<0.001), MR elastography value (P=0.037), and MRI-derived PDFF (P<0.001) in patients without hepatic steatosis. In 52 of 982 patients (5%), the correlation between AC and MRI- derived PDFF fell outside the 95% confidence interval for the regression line slope. Patients with MRI-derived PDFF lower than their AC (n=36) had higher fibrosis-4 scores, albumin-bilirubin scores, and MR elastography values than patients with MRI-derived PDFF greater than their AC (n=16; P=0.018, P=0.001, and P=0.011, respectively). Conclusion: AC is affected by liver fibrosis (MR elastography value ≥6.7 kPa) only in patients without hepatic steatosis (MRI-derived PDFF <5.2%). These values should be interpreted with caution in patients with advanced liver fibrosis.
#Hepatic steatosis #Attenuation coefficient #MR elastography #MRI-derived proton density fat fraction #Liver stiffness

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