Functional Molecular Imaging In Hepatology


by

Susanne Keiding, Michael Sørensen

DOI: 10.2174/97816080529051120101
eISBN: 978-1-60805-290-5, 2012
ISBN: 978-1-60805-677-4





The eBook discusses how the special physiology of the liver must be considered when applying functional molecular imaging in hepatolog...[view complete introduction]
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Cerebral Ammonia Metabolism in Cirrhosis

- Pp. 153-159 (7)

Michael Sørensen and Peter Ott

Abstract

Ammonia is thought to play a significant role in the development of hepatic encephalopathy (HE) in patients with liver failure. Some of the key questions have been whether there is an abnormal permeability surface-area product across the blood-brain barrier (PS<sub>BBB</sub>) for ammonia in patients with cirrhosis and whether the cerebral metabolic rate of ammonia is altered. In this chapter, we discuss how functional molecular imaging using positron emission tomography (PET) can be utilized for in vivo studies of cerebral ammonia kinetics and what the studies so far have shown.

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