Chronic liver disease has the potential to impact brain health in a multitude of ways. One prevalent neurological disorder that arises from liver damage is “hepatic encephalopathy,” which entails the degradation of cognitive function as a result of toxins building up in the bloodstream, typically filtered by the liver. The manifestation of hepatic encephalopathy can encompass symptoms such as confusion, anxiety, mood fluctuations, memory impairments, sleep disturbances and even comatose states.
Chronic liver disease may lead to brain damage through the accumulation of manganese in the cerebral cortex, resulting in a syndrome akin to Parkinson’s disease. Manganese is typically eliminated by the liver; however, when hepatic function is compromised, it can accumulate within the bloodstream and settle within specific regions of the brain, particularly those controlling movement such as the basal ganglia.
Chronic liver disease may lead to neuroinflammation, which involves the stimulation of immune cells in the brain that generate inflammatory molecules. Neuroinflammation can hinder neuronal function and viability, as well as contribute to cognitive deterioration and neurological ailments.
Hence, the persistence of liver disease can result in grave ramifications on cognitive processes and brain well-being. It is therefore crucial to promptly seek medical aid and therapy if any indications or signs of hepatic complications or neurological dysfunction arise.
Lactulose and rifaximin serve as the primary pharmacological interventions for hepatic encephalopathy; however, they may elicit certain adverse reactions. Among the potential side effects include.
The diagnosis of hepatic encephalopathy relies on the identification of neurological symptoms, liver function assessments, blood ammonia level examinations and other tests aimed at eliminating alternative causes of brain dysfunction¹². In certain instances, an electroencephalogram (EEG) or a brain imaging scan (CT or MRI) may be conducted to evaluate cerebral activity and structure¹².
Management of hepatic encephalopathy is contingent upon the severity and etiology of the ailment. The primary objectives comprise eradicating toxins from circulation, rectifying predisposing factors, and forestalling reoccurrence¹². Several conventional therapeutic alternatives encompass::
Lactulose: a non-absorbable sugar that lowers the pH of the colon and inhibits the growth of ammonia-producing bacteria. It also acts as a laxative and helps eliminate toxins through stool¹².
Rifaximin: an antibiotic that reduces the number of ammonia-producing bacteria in the gut. It is often used in combination with lactulose for patients with recurrent or persistent hepatic encephalopathy¹².
Other antibiotics: such as neomycin or metronidazole may be used as alternatives to rifaximin, but they have more side effects and are less effective¹².
Zinc supplementation: zinc deficiency is common in patients with liver disease and may contribute to hepatic encephalopathy by impairing the metabolism of ammonia. Zinc supplementation may improve cognitive function and reduce ammonia levels in some patients¹².
Liver transplantation: this is the definitive treatment for patients with end-stage liver disease and severe or recurrent hepatic encephalopathy. It can restore normal liver function and eliminate portal-systemic shunting¹².
In addition to these treatments, it is important to identify and correct any precipitating factors that may trigger or worsen hepatic encephalopathy, such as infections, bleeding, dehydration, electrolyte imbalance, constipation, medications or dietary changes¹². Patients should also avoid alcohol and limit protein intake to avoid excess ammonia production¹².
Source: Conversation with Bing, 6/24/2023
(1) . https://bing.com/search?q=hepatic+encephalopathy+diagnosis+treatment.
(2) Hepatic Encephalopathy: Diagnosis and Management – PMC. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7805282/.
(3) Hepatic encephalopathy – Symptoms, diagnosis and treatment | BMJ Best …. https://bestpractice.bmj.com/topics/en-gb/294.
(4) Treating Hepatic Encephalopathy – American Liver Foundation. https://liverfoundation.org/liver-diseases/complications-of-liver-disease/hepatic-encephalopathy/treating-hepatic-encephalopathy/.
Source: Conversation with Bing, 6/24/2023
(1) Hepatic Encephalopathy: Types, Causes, Symptoms, Treatment. https://my.clevelandclinic.org/health/diseases/21220-hepatic-encephalopathy.
(2) When a diseased liver disrupts the brain: Chronic liver diseases cause …. https://www.sciencedaily.com/releases/2019/08/190819110007.htm.
(3) Neurologic Manifestations of Chronic Liver Disease and Liver Cirrhosis. https://pubmed.ncbi.nlm.nih.gov/25908229/.
Source: Conversation with Bing, 6/24/2023
(1) Rifaximin Uses, Side Effects & Warnings – Drugs.com. https://www.drugs.com/mtm/rifaximin.html.
(2) Rifaximin Side Effects: Common, Severe, Long Term – Drugs.com. https://www.drugs.com/sfx/rifaximin-side-effects.html.
(3) Side effects of lactulose – NHS. https://www.nhs.uk/medicines/lactulose/side-effects-of-lactulose/.
(4) Why do we use Lactulose and Rifaximin for Hepatic Encephalopathy …. https://www.aasld.org/liver-fellow-network/core-series/why-series/why-do-we-use-lactulose-and-rifaximin-hepatic.