Correlations of iterative decomposition of water and fat with echo asymmetry and the least squares estimation quantification sequence fat parameters and clinical data in patients with non-alcoholic fatty liver disease
Objective To observe the correlations of iterative decomposition of water and fat with echo asymmetry and the least squares estimation quantification sequence(IDEAL-IQ)fat parameters and clinical data in patients with non-alcoholic fatty liver disease(NAFLD).Methods Totally 42 NAFLD patients were prospectively enrolled and divided into lean group(n=9),overweight group(n=19)and obese group(n=14)based on body mass index.Clinical data and IDEAL-IQ fat parameters(hepatic fat fraction[HFF],abdominal visceral adipose tissue[VAT]and subcutaneous adipose tissue[SAT]volumes)were compared among 3 groups and between each 2 groups,and the correlations of HFF,abdominal VAT and SAT volumes and clinical data were analyzed.Results Significant differences of abdominal VAT and SAT volumes were found among 3 groups(both P＜0.05).Abdominal VAT volume in obese group was significantly higher than that in lean and overweight groups(both P＜0.05),and significant differences of abdominal SAT volume were found between each 2 groups(all P＜0.05).Meanwhile,significant differences of abdominal VAT and SAT volumes were found between male and female patients(t=2.559,-2.606,both P＜0.05),but not of HFF(t=1.332,P=0.191).HFF was positively correlated with age,systolic blood pressure(SBP),diastolic blood pressure(DBP)and glutamic-oxaloacetic transaminase(GOT)in NAFLD patients(r=0.418,0.408,0.370,0.340,all P＜0.05).Conclusion In NAFLD patients,HFF was related to age,SBP,DBP and GOT,while abdominal VAT and SAT volumes were related to gender.
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