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In This Issue: February [In This Issue: February]
(Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 20, 2018 Category: Cardiology Tags: In This Issue: February Source Type: research

February 19th Question [Challenge of the Week]
(Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 19, 2018 Category: Cardiology Authors: Noheria, A. Tags: Electrophysiology, Electrocardiology (ECG) Challenge of the Week Source Type: research

Arrhythmic Risk Stratification for Arrhythmogenic Right Ventricular Cardiomyopathy: Should We Ask Who Is at High Risk or Who Is at Low Risk? [Editorial]
(Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 16, 2018 Category: Cardiology Authors: Indik, J. H. Tags: Arrhythmias, Sudden Cardiac Death, Cardiomyopathy Editorial Source Type: research

Lead Extraction Through a Wide-Angle Lens [Editorial]
(Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 16, 2018 Category: Cardiology Authors: Montgomery, J. A., Richardson, T. D., Crossley, G. H. Tags: Arrhythmias, Catheter Ablation and Implantable Cardioverter-Defibrillator Editorial Source Type: research

Performance of the 2015 International Task Force Consensus Statement Risk Stratification Algorithm for Implantable Cardioverter-Defibrillator Placement in Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy [Original Articles]
Conclusions: While the algorithm differentiates arrhythmic risk well overall, it did not distinguish ventricular fibrillation/flutter risks of patients with Class I and IIa implantable cardioverter-defibrillator indications. Limited differentiation was seen for primary prevention cases. As these are vital uncertainties in clinical decision-making, refinements to the algorithm are suggested prior to implementation. (Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 16, 2018 Category: Cardiology Authors: Orgeron, G. M., te Riele, A., Tichnell, C., Wang, W., Murray, B., Bhonsale, A., Judge, D. P., Kamel, I. R., Zimmerman, S. L., Tandri, H., Calkins, H., James, C. A. Tags: Arrhythmias, Electrophysiology, Sudden Cardiac Death, Cardiomyopathy Original Articles Source Type: research

Incidence and Predictors of Perioperative Complications With Transvenous Lead Extractions: Real-World Experience With National Cardiovascular Data Registry [Original Articles]
Conclusions: The rate of major complications and mortality with transvenous lead extraction is similar in the real-world outcomes to that reported in recent single-center studies from high-volume centers. There is significant risk of urgent cardiac surgery, which carries a high mortality, and planning for appropriate cardiothoracic surgery backup is imperative. (Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 16, 2018 Category: Cardiology Authors: Sood, N., Martin, D. T., Lampert, R., Curtis, J. P., Parzynski, C., Clancy, J. Tags: Arrhythmias, Catheter Ablation and Implantable Cardioverter-Defibrillator, Electrophysiology Original Articles Source Type: research

Red Alert: Infrared Thermography for Esophageal Monitoring [Editorial]
(Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 15, 2018 Category: Cardiology Authors: Borne, R. T., Nguyen, D. T. Tags: Catheter Ablation and Implantable Cardioverter-Defibrillator, Atrial Fibrillation Editorial Source Type: research

High-Resolution Infrared Thermography of Esophageal Temperature During Radiofrequency Ablation of Atrial Fibrillation [Original Articles]
Conclusions: Infrared thermography provided dynamic, high-resolution mapping of esophageal temperatures during cardiac ablation. Esophageal thermal injury occurred with temperatures >50°C and was associated with large spatiotemporal gradients. Additional studies are warranted to determine the relationships between thermal parameters and esophageal injury. (Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 15, 2018 Category: Cardiology Authors: Daly, M. G., Melton, I., Roper, G., Lim, G., Crozier, I. G. Tags: Catheter Ablation and Implantable Cardioverter-Defibrillator, Atrial Fibrillation Original Articles Source Type: research

Ten-Year Clinical Outcome After Circumferential Pulmonary Vein Isolation Utilizing the Hamburg Approach in Patients With Symptomatic Drug-Refractory Paroxysmal Atrial Fibrillation [Original Articles]
Conclusion: Ten-year single-procedural outcome of CPVI in patients with paroxysmal atrial fibrillation resulted in stable sinus rhythm in 32.9% and in 62.7% of patients after multiple procedures. The progression rate to persistent AF was remarkably low. (Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 15, 2018 Category: Cardiology Authors: Tilz, R. R., Heeger, C.-H., Wick, A., Saguner, A. M., Metzner, A., Rillig, A., Wohlmuth, P., Reissmann, B., Lemeš, C., Maurer, T., Santoro, F., Riedl, J., Sohns, C., Mathew, S., Kuck, K.-H., Ouyang, F. Tags: Arrhythmias, Catheter Ablation and Implantable Cardioverter-Defibrillator, Electrophysiology Original Articles Source Type: research

February 12th Question [Challenge of the Week]
(Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 12, 2018 Category: Cardiology Authors: Noheria, A., Cuculich, P. S. Tags: Arrhythmias, Catheter Ablation and Implantable Cardioverter-Defibrillator Challenge of the Week Source Type: research

Repolarization Heterogeneity Measured With T-Wave Area Dispersion in Standard 12-Lead ECG Predicts Sudden Cardiac Death in General Population [Original Articles]
Conclusion: Low TW-Ad, reflecting increased heterogeneity of repolarization, in standard 12-lead resting ECGs is a powerful and independent predictor of SCD in the adult general population. (Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 12, 2018 Category: Cardiology Authors: Kentta, T. V., Sinner, M. F., Nearing, B. D., Freudling, R., Porthan, K., Tikkanen, J. T., Muller-Nurasyid, M., Schramm, K., Viitasalo, M., Jula, A., Nieminen, M. S., Peters, A., Salomaa, V., Oikarinen, L., Verrier, R. L., Kaab, S., Junttila, M. J., Huiku Tags: Sudden Cardiac Death, Epidemiology, Electrocardiology (ECG), Prognosis Original Articles Source Type: research

Long-Term Outcome of Substrate Modification in Ablation of Post-Myocardial Infarction Ventricular Tachycardia [Original Articles]
Conclusions: In this monocentric study, substrate modification targeting LAVA for post–myocardial infarction VT resulted in a substantial reduction of VT storm and implantable cardioverter defibrillator shocks and up to 49% of patients free from arrhythmia at 5 years after a single procedure. Complete LAVA elimination, multielectrode mapping, and real-time integration were associated with improved VA-free survival. (Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 12, 2018 Category: Cardiology Authors: Wolf, M., Sacher, F., Cochet, H., Kitamura, T., Takigawa, M., Yamashita, S., Vlachos, K., Cheniti, G., Frontera, A., Martin, R., Thompson, N., Massoullie, G., Lam, A., Martin, C., Collot, F., Duchateau, J., Pambrun, T., Denis, A., Derval, N., Hocini, M., Tags: Arrhythmias, Catheter Ablation and Implantable Cardioverter-Defibrillator Original Articles Source Type: research

Endo-/Epicardial Catheter Ablation of Atrial Fibrillation: Feasibility, Outcome, and Insights Into Arrhythmia Mechanisms [Original Articles]
Conclusions: Catheter-based endo-/epicardial mapping and ablation of AF was feasible and safe. Epicardial mapping provided new insights into AF mechanisms. Epicardial ablation increased transmurality of ablation lesions. Clinical outcome in this cohort of complex AF patients was favorable, indicating potential further development of current AF treatment. (Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 9, 2018 Category: Cardiology Authors: Piorkowski, C., Kronborg, M., Hourdain, J., Piorkowski, J., Kirstein, B., Neudeck, S., Wechselberger, S., Passler, E., Lowen, A., El-Armouche, A., Mayer, J., Ulbrich, S., Pu, L., Richter, U., Gaspar, T., Huo, Y. Tags: Arrhythmias, Catheter Ablation and Implantable Cardioverter-Defibrillator, Electrophysiology, Atrial Fibrillation Original Articles Source Type: research

Characteristics of Single-Loop Macroreentrant Biatrial Tachycardia Diagnosed by Ultrahigh-Resolution Mapping System [Original Articles]
Conclusions: All patients who developed BiAT had an electric obstacle on the anteroseptal left atrium, primarily from prior ablation lesions. In this situation, mapping of both atria should be considered during AT. Because 3 types of single-loop BiAT were observed, ablation strategies should be adjusted to the type of BiAT circuit. (Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 9, 2018 Category: Cardiology Authors: Kitamura, T., Martin, R., Denis, A., Takigawa, M., Duparc, A., Rollin, A., Frontera, A., Thompson, N., Massoullie, G., Cheniti, G., Wolf, M., Vlachos, K., Martin, C. A., Al Jefairi, N., Duchateau, J., Klotz, N., Pambrun, T., Sacher, F., Cochet, H., Hocini Tags: Arrhythmias, Atrial Fibrillation Original Articles Source Type: research

Repolarization Reserve and Action Potential Dynamics in Failing Myocytes [Editorial]
(Source: Circulation: Arrhythmia and Electrophysiology)
Source: Circulation: Arrhythmia and Electrophysiology - February 8, 2018 Category: Cardiology Authors: Fu, J.-D., Laurita, K. R. Tags: Electrophysiology, Basic Science Research, Heart Failure Editorial Source Type: research