Ultrasound-guided attenuation parameter for identifying metabolic dysfunction-associated steatotic liver disease: a prospective study

Purpose This study assessed the performance of the ultrasound-guided attenuation parameter (UGAP) in diagnosing and grading hepatic steatosis in patients with metabolic dysfunctionassociated steatotic liver disease (MASLD). Magnetic resonance imaging proton density fat fraction (MRI-PDFF) served as...

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Main Authors: Yun-Lin Huang, Chao Sun, Ying Wang, Juan Cheng, Shi-Wen Wang, Li Wei, Xiu-Yun Lu, Rui Cheng, Ming Wang, Jian-Gao Fan, Yi Dong
Format: Article
Language:English
Published: Korean Society of Ultrasound in Medicine 2025-03-01
Series:Ultrasonography
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Online Access:http://www.e-ultrasonography.org/upload/usg-24204.pdf
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author Yun-Lin Huang
Chao Sun
Ying Wang
Juan Cheng
Shi-Wen Wang
Li Wei
Xiu-Yun Lu
Rui Cheng
Ming Wang
Jian-Gao Fan
Yi Dong
author_facet Yun-Lin Huang
Chao Sun
Ying Wang
Juan Cheng
Shi-Wen Wang
Li Wei
Xiu-Yun Lu
Rui Cheng
Ming Wang
Jian-Gao Fan
Yi Dong
author_sort Yun-Lin Huang
collection DOAJ
description Purpose This study assessed the performance of the ultrasound-guided attenuation parameter (UGAP) in diagnosing and grading hepatic steatosis in patients with metabolic dysfunctionassociated steatotic liver disease (MASLD). Magnetic resonance imaging proton density fat fraction (MRI-PDFF) served as the reference standard. Methods Patients with hepatic steatosis were enrolled in this prospective study and underwent UGAP measurements. MRI-PDFF values of ≥5%, ≥15%, and ≥25% were used as references for the diagnosis of steatosis grades ≥S1, ≥S2, and S3, respectively. Spearman correlation coefficients and area under the receiver operating characteristic curves (AUCs) were calculated. Results Between July 2023 and June 2024, the study included 88 patients (median age, 40 years; interquartile range [IQR], 36 to 46 years), of whom 54.5% (48/88) were men and 45.5% (40/88) were women. Steatosis grades exhibited the following distribution: 22.7% (20/88) had S0, 50.0% (44/88) had S1, 21.6% (19/88) had S2, and 5.7% (5/88) had S3. The success rate for UGAP measurements was 100%. The median UGAP value was 0.74 dB/cm/MHz (IQR, 0.65 to 0.82 dB/ cm/MHz), and UGAP values were positively correlated with MRI-PDFF (r=0.77, P<0.001). The AUCs of UGAP for the diagnoses of ≥S1, ≥S2, and S3 steatosis were 0.91, 0.90, and 0.88, respectively. In the subgroup analysis, 98.4% (60/61) of patients had valid controlled attenuation parameter (CAP) values. UGAP measurements were positively correlated with CAP values (r=0.65, P<0.001). Conclusion Using MRI-PDFF as the reference standard, UGAP demonstrates good diagnostic performance in the detection and grading of hepatic steatosis in patients with MASLD.
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spelling doaj-art-16e48bd3d389488faaac2f44186d361d2025-08-20T01:55:03ZengKorean Society of Ultrasound in MedicineUltrasonography2288-59432025-03-0144213414410.14366/usg.242041749Ultrasound-guided attenuation parameter for identifying metabolic dysfunction-associated steatotic liver disease: a prospective studyYun-Lin Huang0Chao Sun1Ying Wang2Juan Cheng3Shi-Wen Wang4Li Wei5Xiu-Yun Lu6Rui Cheng7Ming Wang8Jian-Gao Fan9Yi Dong10 Department of Ultrasound, Zhongshan Hospital Fudan University, Shanghai, China Center for Fatty Liver Disease, Department of Gastroenterology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Lab of Pediatric Gastroenterology and Nutrition, Shanghai, China Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China Center for Fatty Liver Disease, Department of Gastroenterology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Lab of Pediatric Gastroenterology and Nutrition, Shanghai, China Department of Ultrasound, Zhongshan Hospital Fudan University, Shanghai, ChinaPurpose This study assessed the performance of the ultrasound-guided attenuation parameter (UGAP) in diagnosing and grading hepatic steatosis in patients with metabolic dysfunctionassociated steatotic liver disease (MASLD). Magnetic resonance imaging proton density fat fraction (MRI-PDFF) served as the reference standard. Methods Patients with hepatic steatosis were enrolled in this prospective study and underwent UGAP measurements. MRI-PDFF values of ≥5%, ≥15%, and ≥25% were used as references for the diagnosis of steatosis grades ≥S1, ≥S2, and S3, respectively. Spearman correlation coefficients and area under the receiver operating characteristic curves (AUCs) were calculated. Results Between July 2023 and June 2024, the study included 88 patients (median age, 40 years; interquartile range [IQR], 36 to 46 years), of whom 54.5% (48/88) were men and 45.5% (40/88) were women. Steatosis grades exhibited the following distribution: 22.7% (20/88) had S0, 50.0% (44/88) had S1, 21.6% (19/88) had S2, and 5.7% (5/88) had S3. The success rate for UGAP measurements was 100%. The median UGAP value was 0.74 dB/cm/MHz (IQR, 0.65 to 0.82 dB/ cm/MHz), and UGAP values were positively correlated with MRI-PDFF (r=0.77, P<0.001). The AUCs of UGAP for the diagnoses of ≥S1, ≥S2, and S3 steatosis were 0.91, 0.90, and 0.88, respectively. In the subgroup analysis, 98.4% (60/61) of patients had valid controlled attenuation parameter (CAP) values. UGAP measurements were positively correlated with CAP values (r=0.65, P<0.001). Conclusion Using MRI-PDFF as the reference standard, UGAP demonstrates good diagnostic performance in the detection and grading of hepatic steatosis in patients with MASLD.http://www.e-ultrasonography.org/upload/usg-24204.pdfultrasound-guided attenuation parametermagnetic resonance imaging proton density fat fractioncontrolled attenuation parametermetabolic dysfunction-associated steatotic liver diseasequantificationnoninvasive
spellingShingle Yun-Lin Huang
Chao Sun
Ying Wang
Juan Cheng
Shi-Wen Wang
Li Wei
Xiu-Yun Lu
Rui Cheng
Ming Wang
Jian-Gao Fan
Yi Dong
Ultrasound-guided attenuation parameter for identifying metabolic dysfunction-associated steatotic liver disease: a prospective study
Ultrasonography
ultrasound-guided attenuation parameter
magnetic resonance imaging proton density fat fraction
controlled attenuation parameter
metabolic dysfunction-associated steatotic liver disease
quantification
noninvasive
title Ultrasound-guided attenuation parameter for identifying metabolic dysfunction-associated steatotic liver disease: a prospective study
title_full Ultrasound-guided attenuation parameter for identifying metabolic dysfunction-associated steatotic liver disease: a prospective study
title_fullStr Ultrasound-guided attenuation parameter for identifying metabolic dysfunction-associated steatotic liver disease: a prospective study
title_full_unstemmed Ultrasound-guided attenuation parameter for identifying metabolic dysfunction-associated steatotic liver disease: a prospective study
title_short Ultrasound-guided attenuation parameter for identifying metabolic dysfunction-associated steatotic liver disease: a prospective study
title_sort ultrasound guided attenuation parameter for identifying metabolic dysfunction associated steatotic liver disease a prospective study
topic ultrasound-guided attenuation parameter
magnetic resonance imaging proton density fat fraction
controlled attenuation parameter
metabolic dysfunction-associated steatotic liver disease
quantification
noninvasive
url http://www.e-ultrasonography.org/upload/usg-24204.pdf
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