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  • Title: Liver stiffness by two-dimensional shear wave elastography for screening high-risk varices in patients with compensated advanced chronic liver disease.
    Author: Yan Y, Xing X, Wang X, Yang L.
    Journal: Eur Radiol; 2022 Mar; 32(3):2078-2088. PubMed ID: 34713329.
    Abstract:
    OBJECTIVES: To investigate the usefulness of the criteria with liver stiffness (LS) measured by two-dimensional shear wave elastography (2D-SWE) and platelet count (PLT) for ruling out high-risk varices in patients with compensated advanced chronic liver disease (cACLD). METHODS: A total of 661 patients with cACLD had successfully undergone 2D-SWE and endoscopy screening. We analyzed risk factors for the presence of high-risk varices and compared proportions of patients who were spared endoscopy when used the predicting criteria with LS (ranged from 16 to 25 kPa) and PLT (ranged from 80 × 109/L to 150 × 109/L). RESULTS: PLT, albumin, LS were found to be independent predictors of high-risk varices. The LS values for ruling out and ruling in high-risk varices were 14.0 kPa and 24.8 kPa, respectively. When the Baveno VI criteria LS < 20 kPa and PLT > 150 × 109/L were used, the high-risk varices miss rate was 2.1%, while the saved endoscopy rate only was 19.2%. The new criteria that LS < 16 kPa and PLT > 100 × 109/L saved 30.4-34.6% endoscopy with 0-3.2% high-risk varices miss rate in the subgroup analysis stratified according to the types of underlying liver disease. CONCLUSIONS: The Baveno VI criteria can be applied to LS measurement by 2D-SWE. The new criteria that LS < 16 kPa and PLT > 100 × 109/L could be a potential model to spare more endoscopy screening with < 5% high-risk varices miss rate. KEY POINTS: • LS measured by 2D-SWE is reliable predictive factor for predicting all-size varices and high-risk varices in patients with compensated advanced chronic liver disease. • LS measured by 2D-SWE < 16 kPa and PLT > 100 × 109 /L, which can spare more endoscopy than Baveno VI criteria with < 5% high-risk varices miss rate. • The Baveno VI criteria can be applied to LS measurement by 2D-SWE.
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