Long-Term Efficacy of Catheter Ablation of Ventricular Tachycardia in Patients With Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy
Darshan Dalal, MD, MPH,
Rahul Jain, MD,
Harikrishna Tandri, MD,
Jun Dong, MD, PhD,
Shaker M. Eid, MD,
Kalpana Prakasa, MD,
Crystal Tichnell, MGC,
Cynthia James, ScM, PhD,
Theodore Abraham, MD, FACC,
Stuart D. Russell, MD, FACC,
Sunil Sinha, MD,
Daniel P. Judge, MD,
David A. Bluemke, MD, PhD,
Joseph E. Marine, MD and
Hugh Calkins, MD, FACC*
Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, Maryland
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Figure 1 Survival Free of Ventricular Tachycardia Recurrence
Survival analysis showing the overall cumulative ventricular tachycardia recurrence-free survival in the entire study population. The table below the graph represents the number of events during each interval indicated on the X axis and the number of patients at risk at the beginning of that interval.
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Figure 2 Survival Free of VT Recurrence by Procedural Success
Survival analysis showing the comparison in the cumulative ventricular tachycardia (VT) recurrence-free survival among patients undergoing complete procedural success, partial procedural success, and procedural failure for ablation of VT. The table below the graph represents the number of events during each interval indicated on the X axis and the number of patients at risk at the beginning of that interval.
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Figure 3 Survival Free of VT Recurrence by Mapping Technique
Survival analysis showing the comparison in the cumulative ventricular tachycardia (VT) recurrence-free survival between patients undergoing the ablation process using 3-dimensional (3D) electroanatomical mapping and combination of the traditional mapping techniques. The table below the graph represents the number of events during each interval indicated on the X axis and the number of patients at risk at the beginning of that interval.
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Figure 4 Survival Free of VT Recurrence by Repetition of RFA Procedure
Survival analysis showing the comparison in the cumulative ventricular tachycardia (VT) recurrence-free survival between patients undergoing first and subsequent catheter ablation procedures. The table below the graph represents the number of events during each interval indicated on the X axis and the number of patients at risk at the beginning of that interval. RFA = radiofrequency catheter ablation.
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