A Case Report of Myolysis During High-Dose Amiodarone Therapy for Uncontrolled Ventricular Tachycardia
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概要
- 論文の詳細を見る
We report a rare case of a 41-year-old male patient, a professional musician, with dilated cardiomyopathy and sustained ventricular tachycardia (VT) that was refractory to class I antiarrhythmic drugs. Severe myolysis developed after 10 months' administration of amiodarone (400 mg/day) in combination with mexiletine (300 mg/day) and disopyramide (400 mg/day). He had been suffering from severe moving muscle pain and an extremely high (16, 830 IU/ml) serum level of creatine kinase (CK). The dosage of amiodarone was reduced from 400 mg/day to 200 mg/day without reduction of mexiletine or disopyramide and the patient's symptoms diminished. However, sustained VT developed, and so the dosage of the drug was increased to 250 mg/day. The high serum level of CK also decreased and returned to the normal range after the reduction in amiodarone dosage. Electrophysiologic examination of moving muscle revealed normal motor and sensory conduction velocities and, furthermore, the electromyogram revealed normal potentials and normal motor units. We conclude that severe myolysis developed as a result of the high dose and chronic administration of amiodarone. This is the first report of a Japanese patient showing rare and serious adverse effects in response to amiodarone treatment.
- 社団法人日本循環器学会の論文
- 1998-03-20
著者
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Kato Rinya
Department of Cardiology, Nagoya Ekisaikai Hospital
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Kato Rinya
Department Of Cardiology Nagoya Ekisaikai Hospital
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Kato Rinya
Department Of Cardiology Nagoya National Hospital
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Itoh Ken-ichi
Third Department of Internal Medicine, School of Medicine, Nagoya University
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Hotta Nigishi
Third Department of Internal Medicine, Nagoya University
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Hotta Nigishi
Third Department Of Internal Medicine Nagoya University
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Itoh Ken-ichi
Third Department Of Internal Medicine
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Itoh Ken-ichi
Third Department Of Internal Medicine Nagoya University
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