K. Sonoda

发表

Relation Between Left Atrial Wall Thickness in Patients with Atrial Fibrillation and Intracardiac Electrogram Characteristics and ATP‐Provoked Dormant Pulmonary Vein Conduction

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015, Journal of cardiovascular electrophysiology.

Characteristics and distribution of complex fractionated atrial electrograms and the dominant frequency during atrial fibrillation: relationship to the response and outcome of circumferential pulmonary vein isolation

Y. Okumura, I. Watanabe, K. Nagashima, 2012, Journal of Interventional Cardiac Electrophysiology.

Different Determinants of the Recurrence of Atrial Fibrillation and Adverse Clinical Events in the Mid-Term Period After Atrial Fibrillation Ablation.

N. Hagiwara, W. Shimizu, Y. Okumura, 2021, Circulation journal : official journal of the Japanese Circulation Society.

ECG Criteria for Distinguishing Left from Right Ventricular Outflow Tract Tachycardia

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015 .

Relationship between the Renal Function and Adverse Clinical Events in Patients with Atrial Fibrillation: A Japanese Multicenter Registry Substudy

Y. Okumura, K. Yokoyama, K. Sonoda, 2020, Journal of clinical medicine.

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.

Oral anticoagulant use and clinical outcomes in elderly Japanese patients: findings from the SAKURA AF Registry

Y. Okumura, K. Yokoyama, K. Sonoda, 2019, Heart and Vessels.

Anatomical proximity between ganglionated plexi and epicardial adipose tissue in the left atrium: implication for 3D reconstructed epicardial adipose tissue-based ablation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2016, Journal of Interventional Cardiac Electrophysiology.

Effect of Catheter Tip‐Tissue Surface Contact on Three‐Dimensional Left Atrial and Pulmonary Vein Geometries: Potential Anatomic Distortion of 3D Ultrasound, Fast Anatomical Mapping, and Merged 3D CT‐Derived Images

Y. Okumura, I. Watanabe, K. Nagashima, 2013, Journal of cardiovascular electrophysiology.

Adverse clinical events in Japanese atrial fibrillation patients with and without coronary artery disease—findings from the SAKURA AF Registry

Y. Okumura, K. Yokoyama, K. Sonoda, 2019, Current medical research and opinion.

Dramatic Response to Cardiac Resynchronization Therapy With AV Delay Optimization in Narrow QRS Heart Failure.

Y. Okumura, I. Watanabe, K. Sonoda, 2015, International heart journal.

Rate-dependent electrophysiologic effects of the class III antiarrhythmic drugs nifekalant, amiodarone, and ibutilide on the atrium in patients with persistent atrial fibrillation.

Y. Okumura, I. Watanabe, K. Sonoda, 2013, International heart journal.

Low alanine aminotransferase levels are independently associated with mortality risk in patients with atrial fibrillation

K. Yokoyama, K. Nagashima, K. Sonoda, 2022, Scientific Reports.

Assessment of Efficacy and Necessity of Routine Defibrillation Threshold Testing in Patients Undergoing Implantable Cardioverter-Defibrillator (ICD) Implantation.

Y. Okumura, I. Watanabe, K. Sonoda, 2015, International heart journal.

Influence of Pacing Modes on Microvolt T-Wave Alternans

Y. Okumura, I. Watanabe, K. Sonoda, 2014 .

Effects of intravenous amiodarone and ibutilide on action potential duration and atrial conduction kinetics in patients with persistent atrial fibrillation.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2014, International heart journal.

Usefulness of High Sensitivity C-Reactive Protein in Predicting Recurrence of Atrial Fibrillation after Electrical Cardioversion

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015 .

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.

Transthoracic echocardiographic backscatter-based assessment of left atrial remodeling involving left atrial and ventricular fibrosis in patients with atrial fibrillation.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2014, International journal of cardiology.

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.

Atrial tachycardia in a patient with arrhythmogenic right ventricular cardiomyopathy/dysplasia

Y. Okumura, I. Watanabe, K. Nagashima, 2013 .

Scar characteristics derived from two- and three-dimensional reconstructions of cardiac contrast-enhanced magnetic resonance images: Relationship to ventricular tachycardia inducibility and ablation success

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

Shortening of intraventricular conduction time with rapid ventricular pacing

Y. Okumura, Keiko Takahashi, I. Watanabe, 2014 .

Monophasic action potential duration alternans after abrupt shortening of the cardiac cycle in humans

Y. Okumura, Keiko Takahashi, I. Watanabe, 2014 .

Potential anatomic substrate of peri-atrioventricular nodal atrial tachycardia ablated from the noncoronary sinus of Valsalva

Y. Okumura, I. Watanabe, K. Nagashima, 2013, Journal of Interventional Cardiac Electrophysiology.

Supraventricular tachyarrhythmia in patients with Brugada syndrome: A single‐center study

Y. Okumura, T. Nakayama, I. Watanabe, 2013 .

Brugada syndrome in the presence of coronary artery disease

Y. Okumura, I. Watanabe, K. Nagashima, 2013 .

Prevalence and significance of the early repolarization pattern in inferolateral leads in patients with Brugada syndrome: A single‐center study

Y. Okumura, T. Nakayama, I. Watanabe, 2012 .

Prevalence of prominent J waves in patients presenting with ventricular fibrillation without structural heart disease: a single-center study.

Y. Okumura, I. Watanabe, K. Nagashima, 2012, Journal of cardiology.

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.

Changes over time in echocardiographic variables and atrial electromechanical intervals after ablation for atrial fibrillation

Y. Okumura, I. Watanabe, K. Nagashima, 2014 .

University hospitals, general hospitals, private clinics: Place-based differences in patient characteristics and outcomes of AF-A SAKURA AF Registry Substudy.

Y. Okumura, K. Yokoyama, K. Sonoda, 2019, Journal of cardiology.

Association between Elevated Left Atrial Pressure and Poor Prognosis after PVI for Atrial Fibrillation

Keiko Takahashi, I. Watanabe, K. Nagashima, 2018, Journal of Nihon University Medical Association.

A Case of Isolated Left Ventricular Noncompaction Presenting with Atrioventricular Nodal Reentrant Tachycardia

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015 .

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.

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.

Clinical utility of automated ablation lesion tagging based on catheter stability information (VisiTag Module of the CARTO 3 System) with contact force-time integral during pulmonary vein isolation for atrial fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2016, Journal of Interventional Cardiac Electrophysiology.

Electrical storm after cardiac resynchronization therapy in a patient with nonischemic cardiomyopathy: Signal‐averaged vector‐projected 187‐channel electrocardiogram‐based risk stratification for lethal arrhythmia

Y. Okumura, I. Watanabe, K. Sonoda, 2013 .

Relations between contact force, bipolar voltage amplitude, and mapping point distance from the left atrial surfaces of 3D ultrasound- and merged 3D CT-derived images: Implication for atrial fibrillation mapping and ablation.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015, Heart rhythm.

Effects of Pulmonary Vein Isolation on the Cardiac Autonomic Nervous System

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

Epicardial adipose tissue-based defragmentation approach to persistent atrial fibrillation: its impact on complex fractionated electrograms and ablation outcome.

Y. Okumura, I. Watanabe, K. Sonoda, 2014, Heart rhythm.

The effects of standard electrical PV isolation vs. “pace and ablate” on ATP-provoked PV reconnections

Y. Okumura, Keiko Takahashi, I. Watanabe, 2014, Journal of Interventional Cardiac Electrophysiology.

Does Location of Epicardial Adipose Tissue Correspond to Endocardial High Dominant Frequency or Complex Fractionated Atrial Electrogram Sites During Atrial Fibrillation?

Y. Okumura, I. Watanabe, K. Sonoda, 2012, Circulation. Arrhythmia and electrophysiology.

Linear catheter ablation of the right atrium for rapid atrial pacing-induced sustained atrial fibrillation in dogs.

Y. Okumura, I. Watanabe, K. Sonoda, 2012, International heart journal.

Effects of inter-electrode spacing on complex fractionated atrial electrograms and dominant frequency detection

Ichiro Watanabe, Y. Okumura, I. Watanabe, 2012, Journal of Interventional Cardiac 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.

Effectiveness of Catheter Ablation for Atrial Fibrillation Accompanying Hypertrophic Cardiomyopathy

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

Effects of a high-fat diet on the electrical properties of porcine atria

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015, Journal of arrhythmia.

Effect of adenosine triphosphate on left atrial electrogram interval and dominant frequency in human atrial fibrillation☆

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015, Journal of arrhythmia.

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

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

Prognostic Value of Serum N-Terminal Pro-Brain Natriuretic Peptide Level over Heart Failure for Stroke Events and Deaths in Patients with Atrial Fibrillation.

Y. Okumura, K. Yokoyama, K. Sonoda, 2020, International heart journal.

Frequency analysis of atrial fibrillation from the specific ECG leads V7-V9: A lower DF in lead V9 is a marker of potential atrial remodeling.

Ichiro Watanabe, Andrew Madry, Keiko Takahashi, 2015, Journal of cardiology.

Analysis of the spatial and transmural dispersion of repolarization and late potentials derived using signal‐averaged vector‐projected 187‐channel high‐resolution electrocardiogram in patients with early repolarization pattern

Y. Okumura, Keiko Takahashi, I. Watanabe, 2014 .

Registry for Evaluating Healthy Life Expectancy and Long-Term Outcomes after Catheter Ablation of Atrial Fibrillation in the Very Elderly (REHEALTH AF) study: rationale and design of a prospective, multicentre, observational, comparative study

M. Shoda, Y. Okumura, K. Yokoyama, 2023, BMJ Open.

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 .

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.

Spatial and temporal variability of the complex fractionated atrial electrogram activity and dominant frequency in human atrial fibrillation

Ichiro Watanabe, Y. Okumura, I. Watanabe, 2015, Journal of arrhythmia.

Tissue velocity imaging-based atrial fibrillatory cycle length and wall motion for predicting atrial structural remodeling in patients undergoing catheter ablation.

Y. Okumura, I. Watanabe, K. Sonoda, 2014, Circulation journal : official journal of the Japanese Circulation Society.

Comparative distribution of complex fractionated atrial electrograms, high dominant frequency (HDF) sites during atrial fibrillation and HDF sites during sinus rhythm

Y. Okumura, I. Watanabe, K. Sonoda, 2013, Journal of Interventional Cardiac Electrophysiology.

Non-Contact Mapping of the Origin of Provoked Ventricular Tachycardia in Brugada Syndrome

Y. Okumura, I. Watanabe, K. Sonoda, 2011 .

Association between epicardial adipose tissue volumes on 3-dimensional reconstructed CT images and recurrence of atrial fibrillation after catheter ablation.

Y. Okumura, I. Watanabe, K. Sonoda, 2011, Circulation journal : official journal of the Japanese Circulation Society.

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.

Increased levels of inflammatory and extracellular matrix turnover biomarkers persist despite reverse atrial structural remodeling during the first year after atrial fibrillation ablation

Y. Okumura, I. Watanabe, K. Sonoda, 2014, Journal of Interventional Cardiac Electrophysiology.

Impact of Biomarkers of Inflammation and Extracellular Matrix Turnover on the Outcome of Atrial Fibrillation Ablation: Importance of Matrix Metalloproteinase‐2 as a Predictor of Atrial Fibrillation Recurrence

Y. Okumura, I. Watanabe, K. Sonoda, 2011, Journal of cardiovascular electrophysiology.

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

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

Difference Between Dormant Conduction Sites Revealed by Adenosine Triphosphate Provocation and Unipolar Pace-Capture Sites Along the Ablation Line After Pulmonary Vein Isolation.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2016, International heart journal.

Effect of cryoballoon inflation at the right superior pulmonary vein orifice on phrenic nerve location.

Y. Okumura, Keiko Takahashi, I. Watanabe, 2016, Heart rhythm.

Wall thickness of the pulmonary vein-left atrial junction rather than electrical information as the major determinant of dormant conduction after contact force-guided pulmonary vein isolation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2016, Journal of Interventional Cardiac Electrophysiology.

Catheter Ablation of the Mitral Isthmus for Ventricular Tachycardia Associated with Myocardial Infarction

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015 .

Ventriculoatrial Intervals ≤70 ms in Orthodromic Atrioventricular Reciprocating Tachycardia

Y. Okumura, Keiko Takahashi, I. Watanabe, 2016, Pacing and clinical electrophysiology : PACE.

Spatial and transmural repolarization, and dispersion of repolarization and late potentials evaluated using signal‐averaged vector‐projected 187‐channel high‐resolution electrocardiogram in Brugada syndrome

Y. Okumura, T. Nakayama, I. Watanabe, 2014 .

Atypical Electrocardiographic Features of Cavotricuspid Isthmus-Dependent Atrial Flutter Occurring During Left Atrial Ablation for Atrial Fibrillation

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015 .

Characteristics of Virtual Unipolar Electrogram Voltage and Characteristics of Isthmus Block during Radiofrequency Ablation of Typical Atrial Flutter

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015 .

Pharmacologic atrial defibrillation by drug delivery into the temporarily occluded coronary sinus. A canine study.

Y. Okumura, I. Watanabe, K. Sonoda, 2012, International heart journal.

Worsening renal function, adverse clinical events and major determinants for changes of renal function in patients with atrial fibrillation: a Japanese multicenter registry substudy

Y. Okumura, K. Yokoyama, K. Sonoda, 2019, Current medical research and opinion.

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.

Three-dimensional high-density bipolar contact mapping of left atrial endocardial activation during sinus rhythm in patients with atrial fibrillation.

Y. Okumura, I. Watanabe, K. Sonoda, 2013, International heart journal.

fractionated atrial electrogram ◼ epicardial adipose tissue Does Location of Epicardial Adipose Tissue Correspond to Endocardial High Dominant Frequency or Complex Fractionated Atrial Electrogram Sites During Atrial Fibrillation ?

Y. Okumura, I. Watanabe, K. Sonoda, 2022 .

Epicardial ablation with irrigated electrodes: – effect of bipolar vs. unipolar ablation on lesion formation –.

Y. Okumura, I. Watanabe, K. Sonoda, 2012, Circulation journal : official journal of the Japanese Circulation Society.

A novel technique for improved lesions in the coronary sinus. comparison of bipolar and unipolar ablation.

Y. Okumura, I. Watanabe, K. Sonoda, 2012, International heart journal.

Left Atrial Voltage during Sinus Rhythm in Paroxysmal and Persistent Atrial Fibrillation Patients without Structural Heart Disease

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015 .

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.

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 .

Relation Between Left Atrial Wall Thickness in Patients with Atrial Fibrillation and Intracardiac Electrogram Characteristics and ATP‐Provoked Dormant Pulmonary Vein Conduction

Y. Okumura, Keiko Takahashi, I. Watanabe, 2015, Journal of cardiovascular electrophysiology.

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.

Combined effect of disopyramide and erythromycin on ventricular repolarization in dogs with complete atrioventricular block.

Y. Okumura, I. Watanabe, K. Sonoda, 2011, International heart journal.