Evaluation of hepatocellular function by way of receptor-mediated uptake of a technetium-99m-labeled asialoglycoprotein analog. 1994

N R Pimstone, and R C Stadalnik, and D R Vera, and D P Hutak, and W L Trudeau
Department of Internal Medicine, University of California--Davis Medical Center, Sacramento 95817.

We have developed a quantitative functional imaging study of the liver using a radiolabeled asialoglycoprotein analog, Tc-galactosyl-neoglycoalbumin. Heart and liver time-activity data can be transformed by automated kinetic analysis into asialoglycoprotein hepatocyte receptor concentration. Twenty-eight healthy controls, 46 patients with noncholestatic chronic liver injury and 11 patients with primary biliary cirrhosis were studied. Liver function was also assessed by Pugh modified-Child-Turcotte criteria, 14C-aminopyrine breath test and indocyanine green clearance (24 patients). RESULTS (a) In normal controls with a Child-Turcotte criteria score of 5, receptor concentration ranged from 0.63 to 1.19 mumol/L, with a mean 0.83 +/- 2 S.D. 0.06 mumol/L, which was significantly higher (p < 0.001) than that of the patient group (mean receptor concentration = 0.44 +/- 2 S.D. 0.04 mumol/L). In cirrhotic patients with Child-Turcotte criteria score of 5, the mean receptor concentration was 0.60 +/- 2 S.D. 0.07 mumol/L, which was significantly lower than controls (p < 0.01). In end-stage cirrhosis (Child-Turcotte criteria score 11 to 15), a group in which patients died or required orthotopic liver transplantation within 1 yr, the mean receptor concentration was 0.35 +/- 2 S.D. to 0.07 mumol/L. The sensitivity and specificity for receptor concentration in relation to liver disease, with values above 0.65 mumol/L being normal, were 0.96 and 0.88, respectively. Receptor concentration correlated well with Child-Turcotte criteria score (r = 0.78, p = < 0.001), with aminopyrine breath test (r = 0.75, p = < 0.001) and with indocyanine green clearance (r = 0.88, p = < 0.001).(ABSTRACT TRUNCATED AT 250 WORDS)

UI MeSH Term Description Entries
D007208 Indocyanine Green A tricarbocyanine dye that is used diagnostically in liver function tests and to determine blood volume and cardiac output. Cardio-Green,Cardiogreen,Ujoveridin,Vofaverdin,Vophaverdin,Wofaverdin,Cardio Green,Green, Indocyanine
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008105 Liver Cirrhosis, Biliary FIBROSIS of the hepatic parenchyma due to obstruction of BILE flow (CHOLESTASIS) in the intrahepatic or extrahepatic bile ducts (BILE DUCTS, INTRAHEPATIC; BILE DUCTS, EXTRAHEPATIC). Primary biliary cholangitis involves the destruction of small intra-hepatic bile ducts and decreased bile secretion. Secondary biliary cholangitis is produced by prolonged obstruction of large intrahepatic or extrahepatic bile ducts from a variety of causes. Biliary Cirrhosis,Biliary Cirrhosis, Primary,Biliary Cirrhosis, Secondary,Cholangitis, Chronic Nonsuppurative Destructive,Liver Cirrhosis, Obstructive,Primary Biliary Cholangitis,Biliary Cirrhosis, Primary, 1,Primary Biliary Cirrhosis,Secondary Biliary Cholangitis,Secondary Biliary Cirrhosis,Biliary Cholangitides, Primary,Biliary Cholangitis, Primary,Biliary Cholangitis, Secondary,Cholangitides, Primary Biliary,Cholangitis, Primary Biliary,Cholangitis, Secondary Biliary,Cirrhosis, Biliary,Cirrhosis, Secondary Biliary,Liver Cirrhoses, Biliary,Obstructive Liver Cirrhosis,Primary Biliary Cholangitides,Secondary Biliary Cholangitides
D008107 Liver Diseases Pathological processes of the LIVER. Liver Dysfunction,Disease, Liver,Diseases, Liver,Dysfunction, Liver,Dysfunctions, Liver,Liver Disease,Liver Dysfunctions
D008111 Liver Function Tests Blood tests that are used to evaluate how well a patient's liver is working and also to help diagnose liver conditions. Function Test, Liver,Function Tests, Liver,Liver Function Test,Test, Liver Function,Tests, Liver Function
D011237 Predictive Value of Tests In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test. Negative Predictive Value,Positive Predictive Value,Predictive Value Of Test,Predictive Values Of Tests,Negative Predictive Values,Positive Predictive Values,Predictive Value, Negative,Predictive Value, Positive
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D011956 Receptors, Cell Surface Cell surface proteins that bind signalling molecules external to the cell with high affinity and convert this extracellular event into one or more intracellular signals that alter the behavior of the target cell (From Alberts, Molecular Biology of the Cell, 2nd ed, pp693-5). Cell surface receptors, unlike enzymes, do not chemically alter their ligands. Cell Surface Receptor,Cell Surface Receptors,Hormone Receptors, Cell Surface,Receptors, Endogenous Substances,Cell Surface Hormone Receptors,Endogenous Substances Receptors,Receptor, Cell Surface,Surface Receptor, Cell
D001944 Breath Tests Any tests done on exhaled air. Breathalyzer Tests,Breath Test,Breathalyzer Test,Test, Breath,Test, Breathalyzer,Tests, Breath,Tests, Breathalyzer
D002250 Carbon Radioisotopes Unstable isotopes of carbon that decay or disintegrate emitting radiation. C atoms with atomic weights 10, 11, and 14-16 are radioactive carbon isotopes. Radioisotopes, Carbon

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