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A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy
Published on: May 16, 2015
Hepatic encephalopathy
1Heinrich-Heine-University Düsseldorf, Clinic for Gastroenterology, Hepatology, and Infectiology, Germany. DHaeussinger@uni-duesseldorf.de
Acta Gastro-Enterologica Belgica
|February 9, 2011
Summary
Hepatic encephalopathy (HE) is a reversible brain condition causing cognitive and motor deficits. Identifying and treating triggers, alongside therapies like lactulose and rifaximin for prophylaxis, are key to managing HE.
Area of Science:
- Neuroscience
- Hepatology
- Gastroenterology
Background:
- Hepatic encephalopathy (HE) is a neuropsychiatric syndrome linked to chronic and acute liver disease.
- It manifests as cognitive and motor deficits, potentially caused by cerebral edema exacerbated by factors like ammonia, infections, and diet.
- The underlying mechanisms involve oxidative/nitrosative stress and astrocyte swelling, impacting brain function.
Purpose of the Study:
- To summarize the understanding of hepatic encephalopathy (HE) pathophysiology and clinical management.
- To highlight diagnostic methods for HE, distinguishing between overt and minimal forms.
- To review current and emerging therapeutic strategies for HE.
Main Methods:
- Review of existing literature on HE pathophysiology, diagnosis, and treatment.
- Analysis of diagnostic criteria, including West Haven criteria and psychometric/neurophysiological tests.
- Evaluation of therapeutic interventions, such as precipitating factor management, pharmacological agents, and liver transplantation.
Main Results:
- HE is characterized by cognitive and motor impairments, with diagnosis relying on clinical symptoms or specialized testing for minimal HE.
- Objective measures like critical flicker frequency are superior to paper-pencil tests for assessing HE severity.
- Treatment focuses on identifying and managing precipitating factors; various therapies including ornithine aspartate, branched-chain amino acids, and lactulose are considered effective.
- The efficacy of oral lactulose and antibiotics in acute HE is debated, but their benefit in secondary prophylaxis is established.
Conclusions:
- Effective management of HE involves addressing precipitating factors and employing appropriate therapies.
- Lactulose and rifaximin show proven benefits in secondary HE prophylaxis.
- Further research may refine diagnostic tools and therapeutic approaches for HE.
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