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Magnetic resonance elastography-based prediction model for hepatic decompensation in NAFLD: A multicenter cohort study

Authors
 Beom Kyung Kim  ;  Jaclyn Bergstrom  ;  Rohan Loomba  ;  Nobuharu Tamaki  ;  Namiki Izumi  ;  Atsushi Nakajima  ;  Ramazan Idilman  ;  Mesut Gumussoy  ;  Digdem K Oz  ;  Ayse Erden  ;  Emily Truong  ;  Ju Dong Yang  ;  Mazen Noureddin  ;  Alina M Allen  ;  Rohit Loomba  ;  Veeral Ajmera 
Citation
 HEPATOLOGY, Vol.78(6) : 1858-1866, 2023-12 
Journal Title
HEPATOLOGY
ISSN
 0270-9139 
Issue Date
2023-12
MeSH
Cohort Studies ; Elasticity Imaging Techniques* ; Esophageal and Gastric Varices* / complications ; Esophageal and Gastric Varices* / etiology ; Gastrointestinal Hemorrhage / pathology ; Humans ; Liver / diagnostic imaging ; Liver / pathology ; Liver Cirrhosis / complications ; Liver Cirrhosis / diagnostic imaging ; Magnetic Resonance Imaging ; Non-alcoholic Fatty Liver Disease* / complications ; Non-alcoholic Fatty Liver Disease* / diagnostic imaging
Abstract
Background and aims: Magnetic resonance elastography (MRE) is an accurate, continuous biomarker of liver fibrosis; however, the optimal combination with clinical factors to predict the risk of incident hepatic decompensation is unknown. Therefore, we aimed to develop and validate an MRE-based prediction model for hepatic decompensation for patients with NAFLD.

Approach and results: This international multicenter cohort study included participants with NAFLD undergoing MRE from 6 hospitals. A total of 1254 participants were randomly assigned as training (n = 627) and validation (n = 627) cohorts. The primary end point was hepatic decompensation, defined as the first occurrence of variceal hemorrhage, ascites, or HE. Covariates associated with hepatic decompensation on Cox-regression were combined with MRE to construct a risk prediction model in the training cohort and then tested in the validation cohort. The median (IQR) age and MRE values were 61 (18) years and 3.5 (2.5) kPa in the training cohort and 60 (20) years and 3.4 (2.5) kPa in the validation cohort, respectively. The MRE-based multivariable model that included age, MRE, albumin, aspartate aminotransferase, and platelets had excellent discrimination for the 3- and 5-year risk of hepatic decompensation (c-statistic 0.912 and 0.891, respectively) in the training cohort. The diagnostic accuracy remained consistent in the validation cohort with a c-statistic of 0.871 and 0.876 for hepatic decompensation at 3 and 5 years, respectively, and was superior to Fibrosis-4 in both cohorts ( p < 0.05).

Conclusions: An MRE-based prediction model allows for accurate prediction of hepatic decompensation and assists in the risk stratification of patients with NAFLD.
Full Text
https://journals.lww.com/hep/fulltext/2023/12000/magnetic_resonance_elastography_based_prediction.22
DOI
10.1097/hep.0000000000000470
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Beom Kyung(김범경) ORCID logo https://orcid.org/0000-0002-5363-2496
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/197370
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