Current medical imaging · 2024
Correlation and Performance of three Ultrasound Techniques to Stage Hepatic Steatosis in Nonalcoholic Fatty Liver Disease.
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Shen Qianqian, Hao Yanhong, Chen Juan, Liu Qiong, Jia Haiyan, Liu Liping
Аннотация
AIMS: There is a need to assess the severity of steatosis caused by Nonalcoholic Fatty Liver Disease (NAFLD). We explored new techniques in which Ultrasound-Guided Attenuation Parameter (UGAP), Liver Steatosis Analysis (LiSA) and Hepatorenal Index (HRI) can be applied to the grading of steatosis.
MATERIALS AND METHODS: We enrolled 120 patients with or without NAFLD in this study who underwent UGAP, LiSA, HRI and controlled attenuation parameter (CAP) measurements in our hospital from September 2022 to April 2023. Spearman correlation coefficient was used to calculate the correlation between UGAP, LiSA, HRI and CAP values, and the receiver operating characteristic (ROC) curve was used to evaluate the diagnostic accuracy of UGAP, LiSA, and HRI for different grades of steatosis.
RESULTS: The cohort was classified into four groups based on means of CAP: S0 (no steatosis): 30/120, S1 (mild): 30/120, S2 (moderate): 15/120, and S3 (severe): 45/120. The cut-off values and areas under the receiver operating characteristic curve (AUC) of UGAP, LiSA and HRI for predicting different grades of steatosis were: S≥S1:227dB/m (AUC=0.904), 241dB/m (AUC=0.873), 1.19 (AUC=0.696); S≥S2:251dB/m (AUC=0.978), 264dB/m (AUC=0.913), 1.37 (AUC=0.770); S=S3:263dB/m (AUC=0.962), 289dB/m (AUC=0.923), 1.45 (AUC=0.809). The diagnostic efficacy of UGAP and LiSA was significantly better than HRI, and there were statistically significant differences (all p<0.05). A strong correlation was found between UGAP, LiSA and CAP values (UGAP: r=0.865; LiSA: r=0.810), moderate correlation between HRI and CAP values (r=0.476).
CONCLUSION: Both UGAP and LiSA have a strong correlation with CAP and are more accurate than HRI in diagnosing different grades of hepatic steatosis, which can be widely used in the diagnosis of liver steatosis.
MATERIALS AND METHODS: We enrolled 120 patients with or without NAFLD in this study who underwent UGAP, LiSA, HRI and controlled attenuation parameter (CAP) measurements in our hospital from September 2022 to April 2023. Spearman correlation coefficient was used to calculate the correlation between UGAP, LiSA, HRI and CAP values, and the receiver operating characteristic (ROC) curve was used to evaluate the diagnostic accuracy of UGAP, LiSA, and HRI for different grades of steatosis.
RESULTS: The cohort was classified into four groups based on means of CAP: S0 (no steatosis): 30/120, S1 (mild): 30/120, S2 (moderate): 15/120, and S3 (severe): 45/120. The cut-off values and areas under the receiver operating characteristic curve (AUC) of UGAP, LiSA and HRI for predicting different grades of steatosis were: S≥S1:227dB/m (AUC=0.904), 241dB/m (AUC=0.873), 1.19 (AUC=0.696); S≥S2:251dB/m (AUC=0.978), 264dB/m (AUC=0.913), 1.37 (AUC=0.770); S=S3:263dB/m (AUC=0.962), 289dB/m (AUC=0.923), 1.45 (AUC=0.809). The diagnostic efficacy of UGAP and LiSA was significantly better than HRI, and there were statistically significant differences (all p<0.05). A strong correlation was found between UGAP, LiSA and CAP values (UGAP: r=0.865; LiSA: r=0.810), moderate correlation between HRI and CAP values (r=0.476).
CONCLUSION: Both UGAP and LiSA have a strong correlation with CAP and are more accurate than HRI in diagnosing different grades of hepatic steatosis, which can be widely used in the diagnosis of liver steatosis.