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- Abstract 文献概要
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- 参考文献 Reference
はじめに Amiodaroneは比較的催不整脈作用の少ない抗不整脈薬として知られており,心臓血管外科の術後においても多用されている.われわれは,虚血性心筋症に対する冠状動脈バイパス術後にamiodarone誘発と思われる心室頻拍を認めた症例を経験したので,報告する.
A 57-year-old man on maintenance hemodialysis was admitted to a hospital after suffering from cardiac arrest. He had collapsed soon after hemodialysis and was restored to sinus rhythm after receiving direct-current shocks. Further examination revealed old myocardial infarction with triple-vessel disease, and he was referred to our hospital for surgical treatment.
Soon after performing coronary artery bypass grafting, we started the patient on intravenous amiodarone for frequent ventricular tachycardia. However, incessant ventricular tachycardia occurred frequently which necessitated several countershocks. Although ventricular tachycardia disappeared by replacing intravenous amiodarone with intravenous nifekalant, it reappeared when we initiated oral amiodarone instead of intravenous nifekalant. So therefore, we stopped using any anti-arrhythmic drug except bisoprolol fumarate, whereby ventricular tachycardia ceased once again.
Amiodarone is known as relatively safe anti-arrhythmic drug that is often used after cardiovascular surgery. However, we should pay close attention to the possibility of amiodarone-induced arrhythmia.

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