Left ventricular dysfunction is a risk factor for sudden cardiac death in adults late after repair of tetralogy of fallot
Akash Ghai, MD* ,
Candice Silversides, MD* ,
Louise Harris, MD, FACC* ,
Gary D. Webb, MD, FACC* ,
Samuel C. Siu, MD, SM, FACC* and
Judith Therrien, MD, FACC*,*
* Toronto Congenital Cardiac Centre for Adults, Toronto, Ontario, Canada
Echocardiographic Laboratory, Toronto, Ontario, Canada
Toronto General Hospital, Heart and Stroke Richard Lewar Centre of Excellence, University of Toronto, Toronto, Ontario, Canada

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Figure 1 Kaplan-Meier survival curve beyond the age of 18. Solid line = patients with moderate or severe left ventricular (LV) systolic dysfunction; dotted line = patients with normal or mild reduction in LV systolic function. The difference between the two groups reached significance (p < 0.01). n = number of patients remaining in follow-up at the corresponding time after the tetralogy of Fallot repair.
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