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KMID : 0338420070220030225
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The Korean Journal of Internal Medicine
2007 Volume.22 No. 3 p.225 ~ p.229
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Amiodarone-induced Hepatitis and Polyneuropathy
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Kang Hyun-Mo
Kang Yoon-Sae
Kim Seok-Hyun
Sung Jae-Kyu
Kang Dae-Young
Lee Heon-Young
Lee Byung-Seok
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Abstract
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Amiodarone chlorhydrate is a diiodated benzofuran derivative, and it is used to treat cardiac rhythm abnormalities. Hepatotoxicity is a relatively uncommon side effect of amiodarone, and symptomatic hepatic dysfunction occurs in fewer than 1% of the patients taking amiodarone. Cirrhosis is a rare complication that’s been confirmed in 12 cases. Peripheral neuropathy occurs in 10% of patients taking aminodarone. We report here on an unusual case of amiodarone-induced hepatotoxicity and peripheral neurotoxicity. A 75 year old man with normal liver function was given amiodarone for treating his atrial fibrillation and heart failure. He developed nausea, vomiting, muscle weakness and wasting after 17.8 months therapy with amiodarone (400 mg orally once per day). Liver biopsy showed the presence of foam cells in the hepatic sinusoids and Mallory bodies in the periportal hepatocytes on light microscopy.
Sural nerve biopsy showed demyelination, and nerve conduction studies showed mixed sensorimotor polyneuropathy. These observations show the necessity of monitoring the hepatic function and conducting neurologic examination of the patients treated with amiodarone.
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KEYWORD
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Amiodarone, Hepatitis, Polyneuropathy
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