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To determine the natural history of autonomic neuropathy in chronic liver disease we used standard cardiovascular autonomic tests to evaluate prospectively 60 patients(33 male,27 female)with initially well-preserved hepatic function.On initial testing,27 patients(45%;median[range]age 56[ 32-67]years)had vagal neuropathy.Autonomic dysfunction was equally common in patients with alcohol-related and non-alcoholic-related liver disease. The cumulative 4-year mortality rate in patients with vagal neuropathy was 30%compared with 6%in those with normal autonomic function.Multiple logistic regression analysis showed that presence of vagal neuropathy and severity of hepatic damage were independent predictors of mortality.Serial testing showed that whereas disease progression occurred in some patients, in others mild abnormalities in autonomic function were reversible.Vagal dysfunction is common in well-compensated chronic liver disease and its presence identified a subgroup of patients with a substantially worse outlook. |
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