TY - JOUR
T1 - Steato-Score
T2 - Non-Invasive Quantitative Assessment of Liver Fat by Ultrasound Imaging
AU - Di Lascio, Nicole
AU - Avigo, Cinzia
AU - Salvati, Antonio
AU - Martini, Nicola
AU - Ragucci, Monica
AU - Monti, Serena
AU - Prinster, Anna
AU - Chiappino, Dante
AU - Mancini, Marcello
AU - D'Elia, Domenico
AU - Ghiadoni, Lorenzo
AU - Bonino, Ferruccio
AU - Brunetto, Maurizia R.
AU - Faita, Francesco
PY - 2018/8/1
Y1 - 2018/8/1
N2 - Non-alcoholic fatty liver disease is becoming a global epidemic. The aim of this study was to develop a system for assessing liver fat content based on ultrasound images. Magnetic resonance spectroscopy measurements were obtained in 61 patients and the controlled attenuation parameter in 54. Ultrasound images were acquired for all 115 participants and used to calculate the hepatic/renal ratio, hepatic/portal vein ratio, attenuation rate, diaphragm visualization and portal vein wall visualization. The Steato-score was obtained by combining these five parameters. Magnetic resonance spectroscopy measurements were significantly correlated with hepatic/renal ratio, hepatic/portal vein ratio, attenuation rate, diaphragm visualization and portal vein wall visualization; Steato-score was dependent on hepatic/renal ratio, attenuation rate and diaphragm visualization. Area under the receiver operating characteristic curve was equal to 0.98, with 89% sensitivity and 94% specificity. Controlled attenuation parameter values were significantly correlated with hepatic/renal ratio, attenuation rate, diaphragm visualization and Steato-score; the area under the curve was 0.79. This system could be a valid alternative as a non-invasive, simple and inexpensive assessment of intrahepatic fat.
AB - Non-alcoholic fatty liver disease is becoming a global epidemic. The aim of this study was to develop a system for assessing liver fat content based on ultrasound images. Magnetic resonance spectroscopy measurements were obtained in 61 patients and the controlled attenuation parameter in 54. Ultrasound images were acquired for all 115 participants and used to calculate the hepatic/renal ratio, hepatic/portal vein ratio, attenuation rate, diaphragm visualization and portal vein wall visualization. The Steato-score was obtained by combining these five parameters. Magnetic resonance spectroscopy measurements were significantly correlated with hepatic/renal ratio, hepatic/portal vein ratio, attenuation rate, diaphragm visualization and portal vein wall visualization; Steato-score was dependent on hepatic/renal ratio, attenuation rate and diaphragm visualization. Area under the receiver operating characteristic curve was equal to 0.98, with 89% sensitivity and 94% specificity. Controlled attenuation parameter values were significantly correlated with hepatic/renal ratio, attenuation rate, diaphragm visualization and Steato-score; the area under the curve was 0.79. This system could be a valid alternative as a non-invasive, simple and inexpensive assessment of intrahepatic fat.
KW - Controlled attenuation parameter
KW - Hepatic steatosis
KW - Non-alcoholic fatty liver disease
KW - Proton magnetic resonance spectroscopy
KW - Ultrasound
UR - http://www.scopus.com/inward/record.url?scp=85042793348&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85042793348&partnerID=8YFLogxK
U2 - 10.1016/j.ultrasmedbio.2018.03.011
DO - 10.1016/j.ultrasmedbio.2018.03.011
M3 - Article
C2 - 29735312
AN - SCOPUS:85042793348
SN - 0301-5629
VL - 44
SP - 1585
EP - 1596
JO - Ultrasound in Medicine and Biology
JF - Ultrasound in Medicine and Biology
IS - 8
ER -