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Ventricular arrhythmia in patients with prolonged QT interval during liver transplantation: two cases report

대한마취과학회지
2014년 67권 6호 p.416 ~ p.420
김민수 ( Kim Min-Soo ) - Yonsei University College of Medicine Department of Anesthesiology and Pain Medicine

김나영 ( Kim Na-Young ) - Yonsei University College of Medicine Department of Anesthesiology and Pain Medicine
박지은 ( Park Ji-Eun ) - Yonsei University College of Medicine Department of Anesthesiology and Pain Medicine
남순호 ( Nam Soon-Ho ) - Yonsei University College of Medicine Department of Anesthesiology and Pain Medicine

Abstract

QT interval prolongation is associated with an increased risk of ventricular arrhythmia in various conditions. Cardiac electrophysiologic abnormalities including QT interval prolongation are well documented in patients with advanced liver cirrhosis. We report two cases of patients with QT interval prolongation on preoperative electrocardiography who exhibited repetitive ventricular arrhythmias with significant hemodynamic deterioration during liver transplantation. For the treatment and prevention of ventricular arrhythmias during the intraoperative period, we performed intravenous administration of lidocaine and isoproterenol, corrected imbalances of electrolytes including potassium and magnesium, and prepared a defibrillator. These cases emphasize that preoperative recognition of QT interval prolongation and adequate management to prevent fatal arrhythmias are important in patients undergoing liver transplantation.

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