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Korean J Thorac Cardiovasc Surg. 2016 Aug;49(4):292-4. doi: 10.5090/kjtcs.2016.49.4.292. Epub 2016 Aug 5.

Cardiac Resynchronization Therapy Defibrillator Treatment in a Child with Heart Failure and Ventricular Arrhythmia.

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Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine.


Cardiac resynchronization therapy (CRT) is a new treatment for refractory heart failure. However, most patients with heart failure treated with CRT are adults, middle-aged or older with idiopathic or ischemic dilated cardiomyopathy. We treated a 12-year-old boy, who was transferred after cardiac arrest, with dilated cardiomyopathy, left bundle-branch block, and ventricular tachycardia. We performed cardiac resynchronization therapy with a defibrillator (CRT-D). After CRT-D, left ventricular ejection fraction improved from 22% to 44% assessed by echocardiogram 1 year postoperatively. On electrocardiogram, QRS duration was shortened from 206 to 144 ms. The patient's clinical symptoms also improved. For pediatric patients with refractory heart failure and ventricular arrhythmia, CRT-D could be indicated as an effective therapeutic option.


Arrhythmia; Cardiac resynchronization therapy; Cardiomyopathy; Defibrillator; Heart failure

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