M. Arai

发表

Formation of low‐voltage zones on the anterior left atrial wall due to mechanical compression by the ascending aorta

Y. Okumura, K. Nagashima, Kazuki Iso, 2021, Journal of cardiovascular electrophysiology.

Clinical Outcomes of Off-Label Underdosing of Direct Oral Anticoagulants After Ablation for Atrial Fibrillation.

N. Hagiwara, W. Shimizu, Y. Okumura, 2020, International heart journal.

Optimal diameter of the pulmonary vein ostium for second‐generation 28‐mm cryoballoon ablation of atrial fibrillation

Y. Okumura, K. Nagashima, T. Nakai, 2019, Pacing and clinical electrophysiology : PACE.

Is Vagal Response During Left Atrial Ganglionated Plexi Stimulation a Normal Phenomenon?: Comparison Between Patients With and Without Atrial Fibrillation.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2019, Circulation. Arrhythmia and electrophysiology.

Comparison of the Efficacy of Cryoballoon Ablation for Paroxysmal and Persistent Atrial Fibrillation

Y. Okumura, I. Watanabe, K. Sonoda, 2019, Journal of Nihon University Medical Association.

Current Status and Clinical Outcomes of Oral Anticoagulant Discontinuation After Ablation for Atrial Fibrillation in Japan　- Findings From the AF Frontier Ablation Registry.

N. Hagiwara, W. Shimizu, Y. Okumura, 2019, Circulation journal : official journal of the Japanese Circulation Society.

Adverse Clinical Events during Long-Term Follow-Up After Catheter Ablation of Atrial Fibrillation.

Y. Okumura, K. Yokoyama, Atsushi Ikeda, 2019, International heart journal.

Effect of Acute Termination of Atrial Fibrillation on the Outcome of Ablation of Persistent Atrial Fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018, Journal of Nihon University Medical Association.

Clinical outcomes of ablation versus non-ablation therapy for atrial fibrillation in Japan: analysis of pooled data from the AF Frontier Ablation Registry and SAKURA AF Registry

N. Hagiwara, W. Shimizu, Y. Okumura, 2020, Heart and Vessels.

Impact of sinus rhythm maintenance on major adverse cardiac and cerebrovascular events after catheter ablation of atrial fibrillation: insights from AF frontier ablation registry

N. Hagiwara, Y. Okumura, K. Yokoyama, 2021, Heart and Vessels.

Hot Balloon Versus Cryoballoon Ablation for Atrial Fibrillation: Lesion Characteristics and Middle-Term Outcomes

Y. Okumura, I. Watanabe, Kazuki Iso, 2018, Circulation. Arrhythmia and electrophysiology.

Effectiveness of Catheter Ablation for Atrial Fibrillation Accompanying Hypertrophic Cardiomyopathy

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018, Journal of Nihon University Medical Association.

Effect of epicardial fat and metabolic syndrome on reverse atrial remodeling after ablation for atrial fibrillation

Y. Okumura, I. Watanabe, A. Hirayama, 2018, Journal of arrhythmia.

Effect of obesity and epicardial fat/fatty infiltration on electrical and structural remodeling associated with atrial fibrillation in a novel canine model of obesity and atrial fibrillation: A comparative study

Y. Okumura, Kimie Ohkubo, T. Nakai, 2021, Journal of cardiovascular electrophysiology.

Comprehensive assessment of left atrial and ventricular remodeling in paroxysmal atrial fibrillation by the cardiovascular magnetic resonance myocardial extracellular volume fraction and feature tracking strain

Y. Okumura, K. Nagashima, H. Fujito, 2021, Scientific Reports.

Anterograde and retrograde insulated pathway conduction evidenced by intracardiac electrogram morphologies during premature ventricular contractions and sinus rhythm

Y. Okumura, S. Yagyu, M. Arai, 2018, HeartRhythm case reports.

Left atrial remodeling: Regional differences between paroxysmal and persistent atrial fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2017, Journal of arrhythmia.

Complete Atrioventricular Block Complicating Mitral Infective Endocarditis Caused by Streptococcus Agalactiae

Y. Okumura, S. Masuda, A. Hirayama, 2016, The American journal of case reports.

Efficacy of Cardiac Resynchronization Therapy in Patients with a Narrow QRS Complex

Y. Okumura, R. Kogawa, Kimie Ohkubo, 2021, Journal of Interventional Cardiology.

Impact of the COVID-19 pandemic on the hospitalizations, time course, presenting symptoms, and mid-term outcomes in patients with myocardial infarctions in a Japanese multi-center registry

N. Matsumoto, Yasuo Okumura, K. Kojima, 2022, Heart and Vessels.

High-voltage zones within the pulmonary vein antra: Major determinants of acute pulmonary vein reconnections after atrial fibrillation ablation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2017, Journal of Interventional Cardiac Electrophysiology.

Comparison of Cryoablation and Radiofrequency Ablation Areas Demarcated by Postprocedural Electroanatomic Mapping in Patients with Atrial Fibrillation Treated by Pulmonary Vein Isolation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018 .

Wavefront direction and cycle length affect left atrial electrogram amplitude

Y. Okumura, Keiko Takahashi, I. Watanabe, 2017, Journal of arrhythmia.

Complex fractionated atrial electrograms, high dominant frequency regions, and left atrial voltages during sinus rhythm and atrial fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2016, Journal of arrhythmia.

Predicting Left Atrial Low-Voltage Areas During Sinus Rhythm on the Basis of Low Voltage During Atrial Fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018, Journal of Nihon University Medical Association.

Novel V‐V‐A response after right ventricular entrainment pacing for narrow QRS tachycardia: What is the mechanism?

Y. Okumura, Kimie Ohkubo, T. Nakai, 2019, Journal of cardiovascular electrophysiology.

Influence of balloon temperature and time to pulmonary vein isolation on acute pulmonary vein reconnection and clinical outcomes after cryoballoon ablation of atrial fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018, Journal of arrhythmia.

Impact of Sinus Node Recovery Time after Long-Standing Atrial Fibrillation Termination on the Long-Term Outcome of Catheter Ablation.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018, International heart journal.

The Impact of Very Early Recurrence of Atrial Fibrillation after Cryoablation on the One-Year Clinical Outcome

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018, Journal of Nihon University Medical Association.

Mechanistic Insights Into Durable Pulmonary Vein Isolation Achieved by Second-Generation Cryoballoon Ablation.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2017, Journal of atrial fibrillation.

No association between dormant conduction sites and pulmonary vein reconnection sites in late atrial fibrillation recurrence after catheter ablation.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018, Journal of cardiology.

Spontaneous Remission in a Case of Giant Cell Myocarditis with Preserved Left Ventricular Ejection Fraction

Y. Okumura, Kazuki Iso, A. Hirayama, 2015, The American journal of case reports.

Hot balloon versus cryoballoon ablation for persistent atrial fibrillation: Lesion area, efficacy, and safety

Y. Okumura, S. Nakahara, I. Taguchi, 2020, Journal of cardiovascular electrophysiology.

Electrophysiologic and anatomic factors predictive of a need for touch‐up radiofrequency application for complete pulmonary vein isolation: Comparison between hot balloon‐ and cryoballoon‐based ablation

Y. Okumura, Kazuki Iso, Kimie Ohkubo, 2019, Journal of cardiovascular electrophysiology.

Single-shot antral isolation of a common pulmonary vein by the hot balloon

Y. Okumura, M. Arai, Naoto Otsuka, 2018, HeartRhythm case reports.

Utility of entrainment pacing to clarify the circuit of macroreentrant tachycardia with dual early sites on activation maps

Y. Okumura, I. Watanabe, M. Arai, 2017, HeartRhythm case reports.

The modified ablation index: a novel determinant of acute pulmonary vein reconnections after pulmonary vein isolation

Y. Okumura, I. Watanabe, Kimie Ohkubo, 2019, Journal of Interventional Cardiac Electrophysiology.

Clinical implications of serum adiponectin on progression of atrial fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2017, Journal of arrhythmia.

Spatial Relations between the Standard Deviation of Complex Fractionated Atrial Electrogram Intervals and Low-Voltage Areas in Patients with Atrial Fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018, Journal of Nihon University Medical Association.

Current Status and Issues Concerning Magnetic Resonance Imaging in Patients with a Magnetic Resonance Conditional Cardiac Implantable Electrical Device: A Single-center Study

Y. Okumura, R. Kogawa, T. Nakai, 2021, Internal medicine.

Effect of Catheter Ablation for Atrial Fibrillation in Heart Failure With Mid-Range or Preserved Ejection Fraction　- Pooled Analysis of the AF Frontier Ablation Registry and Hokuriku-Plus AF Registry.

N. Hagiwara, K. Yokoyama, K. Sonoda, 2022, Circulation journal : official journal of the Japanese Circulation Society.

Effects of Pulmonary Vein Isolation on the Cardiac Autonomic Nervous System

Y. Okumura, Keiko Takahashi, I. Watanabe, 2019, Journal of Nihon University Medical Association.

Effect of Cryoballoon Ablation vs. Radiofrequency Ablation on Left Atrial Ganglionated Plexi in Patients with Atrial Fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2018 .

Dormant Conduction after Second-Generation Cryoballoon-Mediated Pulmonary Vein Isolation for Atrial Fibrillation: Comparison with Contact Force-guided Irrigated-Tip Radiofrequency Ablation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2017 .

Pulmonary Vein Isolation for Atrial Fibrillation in Patients with Paroxysmal Atrial Fibrillation and Sick Sinus Syndrome

Y. Okumura, Keiko Takahashi, I. Watanabe, 2019, Journal of Nihon University Medical Association.

Hot balloon versus cryoballoon ablation for persistent atrial fibrillation: Lesion area, efficacy, and safety

Y. Okumura, I. Taguchi, T. Ishikawa, 2020, Journal of cardiovascular electrophysiology.