Noninvasive detection of hepatic lipidosis in dairy cows with calibrated ultrasonographic image analysis

Journal of Dairy Science
A StarkeJ Rehage

Abstract

The aim was to test the accuracy of calibrated digital analysis of ultrasonographic hepatic images for diagnosing fatty liver in dairy cows. Digital analysis was performed by means of a novel method, computer-aided ultrasound diagnosis (CAUS), previously published by the authors. This method implies a set of pre- and postprocessing steps to normalize and correct the transcutaneous ultrasonographic images. Transcutaneous hepatic ultrasonography was performed before surgical correction on 151 German Holstein dairy cows (mean +/- standard error of the means; body weight: 571+/-7 kg; age: 4.9+/-0.2 yr; DIM: 35+/-5) with left-sided abomasal displacement. Concentration of triacylglycerol (TAG) was biochemically determined in liver samples collected via biopsy and values were considered the gold standard to which ultrasound estimates were compared. According to histopathologic examination of biopsies, none of the cows suffered from hepatic disorders other than hepatic lipidosis. Hepatic TAG concentrations ranged from 4.6 to 292.4 mg/g of liver fresh weight (FW). High correlations were found between the hepatic TAG and mean echo level (r=0.59) and residual attenuation (ResAtt; r=0.80) obtained in ultrasonographic imaging. High correlat...Continue Reading

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Citations

Dec 3, 2013·Metabolism: Clinical and Experimental·Stergios A Polyzos, Christos S Mantzoros
Jul 4, 2012·Ultrasound in Medicine & Biology·Gert WeijersChris L de Korte
Sep 25, 2016·Research in Veterinary Science·Tommaso BanzatoAlessandro Zotti
Aug 20, 2010·Ultrasonic Imaging·Gert WeijersChris L De Korte
Dec 19, 2017·Journal of Dairy Science·M M FryE Behling-Kelly
Apr 3, 2019·JPEN. Journal of Parenteral and Enteral Nutrition·Angelique HuijbersGeert J A Wanten
Sep 13, 2018·Scientific Reports·Yizhao ShenZhonghua Wang
Sep 26, 2017·American Journal of Veterinary Research·Tommaso BanzatoAlessandro Zotti

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