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Application of multi-echo Dixon and MRS in quantifying hepatic fat content and staging liver fibrosis
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Application of multi-echo Dixon and MRS in quantifying hepatic fat content and staging liver fibrosis
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Journal Article
Application of multi-echo Dixon and MRS in quantifying hepatic fat content and staging liver fibrosis
2023
Overview
This study associated the liver proton density fat fraction (PDFF), measured by multi-echo Dixon (ME-Dixon) and breath-hold single-voxel high-speed T2-corrected multi-echo
1
H magnetic resonance spectroscopy (HISTO) at 1.5 T, with serum biomarkers and liver fibrosis stages. This prospective study enrolled 75 patients suspected of liver fibrosis and scheduled for liver biopsy and 23 healthy participants with normal liver function. The participant underwent ME-Dixon and HISTO scanning. The agreement of PDFF measured by ME-Dixon (PDFF-D) and HISTO (PDFF-H) were compared. Correlations between PDFF and serum fat biomarkers (total cholesterol, triglyceride, and high- and low-density lipoproteins) and the liver fibrosis stages were assessed. PDFF were compared among the liver fibrosis stages (F0–F4) based on clinical liver biopsies. The Bland–Altman plot showed agreement between PDFF-D and PDFF-H(LoA, − 4.44 to 6.75), which have high consistency (ICC 0.752,
P
< 0.001). The correlations with the blood serum markers were mild to moderate (PDFF-H: r = 0.261–0.410,
P
< 0.01; PDFF-D: r = 0.265–0.367,
P
< 0.01). PDFF-D, PDFF-H, and steatosis were distributed similarly among the liver fibrosis stages. PDFF-H showed a slight negative correlation with the liver fibrosis stages (r = − 0.220,
P
= 0.04). Both ME-Dixon and HISTO sequences measured liver fat content noninvasively. Liver fat content was not directly associated with liver fibrosis stages.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ Biopsy
/ Fibrosis
/ Humanities and Social Sciences
/ Humans
/ Liver
/ Liver Cirrhosis - diagnostic imaging
/ Magnetic Resonance Imaging - methods
/ Magnetic resonance spectroscopy
/ Non-alcoholic Fatty Liver Disease - diagnostic imaging
/ Non-alcoholic Fatty Liver Disease - pathology
/ Protons
/ Science
