Amiodarone-Induced Cirrhosis of Liver: What Predicts Mortality?

  • Nasir Hussain
    Department of Internal Medicine, Saint Joseph Hospital, Resurrection Health Care, 2900 North Lake Shore Drive, Chicago, IL 60657, USA
  • Anirban Bhattacharyya
    Department of Internal Medicine, Saint Joseph Hospital, Resurrection Health Care, 2900 North Lake Shore Drive, Chicago, IL 60657, USA
  • Suartcha Prueksaritanond
    Department of Internal Medicine, Saint Joseph Hospital, Resurrection Health Care, 2900 North Lake Shore Drive, Chicago, IL 60657, USA

Abstract

<jats:p><jats:italic>Introduction</jats:italic>. Amiodarone has been used for more than 5 decades for the treatment of various tachyarrhythmias and previously for the treatment of refractory angina. There are multiple well-established side effects of amiodarone. However, amiodarone-induced cirrhosis (AIC) of liver is an underrecognized complication.<jats:italic>Methods</jats:italic>. A systematic search of Medline from January 1970 to November 2012 by using the following terms, amiodarone and cirrhosis, identified 37 reported cases of which 30 were used in this analysis. Patients were divided into 2 subsets, survivors versus nonsurvivors, at 5 months.<jats:italic>Results</jats:italic>. Aspartate aminotransferase was significantly lower (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>P</mml:mi><mml:mo>=</mml:mo><mml:mn>0.03</mml:mn></mml:math>) in patients who survived at 5-months (mean 103.33 IU/L) compared to nonsurvivors (mean 216.88 IU/L). There was no statistical difference in the levels of prothrombin time, total bilirubin, alanine aminotransferase, alkaline phosphatase, gamma-glutamyl transpeptidase, cumulative dose, and latency period between the two groups. The prevalence of DM, HTN, HLD, CAD, and CHF was similar in the two groups. None of the above-mentioned variables could be identified as a predictor of survival at 5 months.<jats:italic>Conclusion</jats:italic>. AIC carries a mortality risk of 60% at 5 months once the diagnosis is established. Further prospective studies are needed to identify predictors of AIC and of mortality or survival in cases of AIC.</jats:p>

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