期刊
FRONTIERS IN NEUROSCIENCE
卷 15, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnins.2021.579263
关键词
learning; cognition; liver disease; cirrhosis; impairment; psychometric test; liver transplant
资金
- PAPIIT, UNAM [IN224019, IA206019]
- Conacyt-Mexico [256639]
- Conacyt-Mexico PhD fellowship [629957]
Hepatic encephalopathy (HE) is a disabling metabolic disease caused by neurotoxins, leading to impaired brain function, with prevalence in cirrhotic patients potentially reaching up to 40%. Recent evidence suggests that cognitive deficits persist in cirrhotic patients with a history of HE even after liver transplant.
Hepatic encephalopathy (HE) is one of the most disabling metabolic diseases. It consists of a complication of liver disease through the action of neurotoxins, such as excessive production of ammonia from liver, resulting in impaired brain function. Its prevalence and incidence are not well known, although it has been established that up to 40% of cirrhotic patients may develop HE. Patients with HE episodes display a wide range of neurological disturbances, from subclinical alterations to coma. Recent evidence suggests that the resolution of hepatic encephalopathy does not fully restore cognitive functioning in cirrhotic patients. Therefore, the aim of this review was to evaluate the evidence supporting the presence of lingering cognitive deficits in patients with a history of HE compared to patients without HE history and how liver transplant affects such outcome in these patients. We performed two distinct meta-analysis of continuous outcomes. In both cases the results were pooled using random-effects models. Our results indicate that cirrhotic patients with a history of HE show clear cognitive deficits compared control cirrhotic patients (Std. Mean Difference (in SDs) = -0.72 [CI 95%: -0.94, -0.50]) and that these differences are not fully restored after liver transplant (Std. Mean Difference (in SDs) = -0.72 [CI 95%: -0.94, -0.50]).
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