Publication

In vivo studies of brain metabolism in animal models of Hepatic Encephalopathy using (1)H Magnetic Resonance Spectroscopy

Cristina Ramona Cudalbu
2013
Reviews

Résumé

Hepatic encephalopathy (HE) is a common and severe neuropsychiatric complication present in acute and chronic liver disease. The unique advantages of high field (1)H MRS provide a method for assessing pathogenic mechanism, diagnosis and monitoring of HE, as well as for treatment assessment or recovery after liver transplantation, in a reproducible and reliable non-invasive way. The purpose of the present review is to present some new features of in vivo proton Magnetic Resonance Spectroscopy ((1)H MRS) at high magnetic fields combined with some basic requirements for reliable metabolic profiling. Finally, in vivo applications of (1)H MRS in different HE animal models are presented.

Source officielle

https://infoscience.epfl.ch/entities/publication/232e3d4a-eb60-4771-844b-4cb5da1e2716

À propos de ce résultat

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Cristina Ramona Cudalbu
2013
Reviews

Résumé

Source officielle

https://infoscience.epfl.ch/entities/publication/232e3d4a-eb60-4771-844b-4cb5da1e2716

À propos de ce résultat

Proximité ontologique

Health sciences

Hépatologie: Hépatopathie

Concepts associés (30)

In vivo magnetic resonance spectroscopy

In vivo magnetic resonance spectroscopy (MRS) is a specialized technique associated with magnetic resonance imaging (MRI). Magnetic resonance spectroscopy (MRS), also known as nuclear magnetic resonance (NMR) spectroscopy, is a non-invasive, ionizing-radiation-free analytical technique that has been used to study metabolic changes in brain tumors, strokes, seizure disorders, Alzheimer's disease, depression, and other diseases affecting the brain. It has also been used to study the metabolism of other organs such as muscles.

Alcoholic liver disease

Alcoholic liver disease (ALD), also called alcohol-related liver disease (ARLD), is a term that encompasses the liver manifestations of alcohol overconsumption, including fatty liver, alcoholic hepatitis, and chronic hepatitis with liver fibrosis or cirrhosis. It is the major cause of liver disease in Western countries. Although steatosis (fatty liver disease) will develop in any individual who consumes a large quantity of alcoholic beverages over a long period of time, this process is transient and reversible.

Résonance magnétique nucléaire

vignette|175px|Spectromètre de résonance magnétique nucléaire. L'aimant de 21,2 T permet à l'hydrogène (H) de résonner à . La résonance magnétique nucléaire (RMN) est une propriété de certains noyaux atomiques possédant un spin nucléaire (par exemple H, C, O, F, P, Xe...), placés dans un champ magnétique. Lorsqu'ils sont soumis à un rayonnement électromagnétique (radiofréquence), le plus souvent appliqué sous forme d'impulsions, les noyaux atomiques peuvent absorber l'énergie du rayonnement puis la relâcher lors de la relaxation.

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