Clinical Outcomes of Catheter Substrate Ablation for High-Risk Patients With Atrial Fibrillation
Koonlawee Nademanee, MD, FACC1,*,
Mark C. Schwab, MD,
Erol M. Kosar, MD, FACC,
Margaret Karwecki, NP,
Michael D. Moran, MD, FACC,
Nithi Visessook, MD,
Anthony Don Michael, MD, FACC and
Tachapong Ngarmukos, MD
Pacific Rim Electrophysiology Research Institution, Inglewood, California.
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Figure 1 Effects of Maintaining NSR After AF Ablation on Survival
Kaplan-Meier curve demonstrating improved survival in patients who remained in normal sinus rhythm (NSR) (red circles) from all-cause mortality compared with patients who remained in atrial fibrillation (AF) (green circles).
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Figure 2 Effects of NSR After AF Ablation and EF on Survival
Multiple overlay Kaplan-Meier survival curves among 4 strata of patients: 1) patients with ejection fraction (EF) >40% and NSR (red circles); 2) patients with EF  40% and SR (green circles); 3) patients with EF >40% and AF (purple circles); and 4) patients with EF 40% and AF (blue circles). Abbreviations as in Figure 1.
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Figure 3 Beneficial Effect of NSR After AF Ablation on Left Ventricular Function
Comparison of individual changes of EF before and after ablation. Pre = before ablation; Post = 6 to 12 months after ablation. Abbreviations as in Figure 1.
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