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. 1994 Sep;89(9):1544-7.

Autonomic function in cirrhosis assessed by cardiovascular reflex tests and 24-hour heart rate variability

J F Dillon  1 , J N Plevris, J Nolan, D J Ewing, J M Neilson, I A Bouchier, P C Hayes
Affiliations
  • PMID: 8079935

Autonomic function in cirrhosis assessed by cardiovascular reflex tests and 24-hour heart rate variability

J F Dillon et al. Am J Gastroenterol. 1994 Sep.

Abstract

Objectives: To assess the prevalence of autonomic dysfunction in cirrhosis and to observe the effect of disease severity on autonomic dysfunction.

Methods: Seventy patients with cirrhosis (Child's class A, 42; Child's class B, 10; and Child's class C, 15) (45 alcoholic, 15 primary biliary cirrhosis, five chronic active hepatitis, and eight idiopathic) underwent standard cardiovascular reflex tests. In addition, in 40 patients, 24-h ECG RR variability tests were performed to detect autonomic dysfunction.

Results: Forty-two of 70 (60%) patients had abnormalities of cardiovascular reflex function of varying severity, whereas 24 of 34 (70%) had 24-h RR counts with the 95% age-related tolerance. The prevalence of abnormality increased with increasing severity of liver disease but not with different etiologies.

Conclusion: Irrespective of etiology, there is a high prevalence of autonomic dysfunction in cirrhosis, and it is related to disease severity: the mechanism is unknown.

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