Faculty Information - TOYOHARA Keiko

（Last updated : 2025-07-04 17:50:18）

TOYOHARA Keiko
Department School of Medicine(Tokyo Women's Medical University Hospital), School of Medicine Department of Surgery, Division of Pediatric Cardiology and Adult Congenital Cardiology

Position Assistant Professor

■ Books

Chapter contribution　

Wolff-Parkinson-White syndome「The Journal of Pediatric Practice」 2016/04

■ Published papers

1.	Original article	Electrophysiological features and radiofrequency catheter ablation of accessory pathways associated with atrioventricular discordance. 2020/01
2.	Case report	Transvenous biventricular pacing in double-inlet left ventricle following ventricular septation and atrioventricular valve replacement. 2017/12
3.	Original article	Long-Term Efficacy of Implantable Cardioverter Defibrillator in Repaired Tetralogy of Fallot - Role of Anti-tachycardia Pacing. 2017/01
4.	Case report	Successful catheter ablation of ventricular tachycardia in a patient with congenitally corrected transposition of great arteries after double switch operation. 2016
5.	Other	Arrhythmia in Patients With Corrected Transposition of the Great Arteries Before and After Double Switch Operation 2010
6.	Case report	Electrophysiologic studies and radiofrequency catheter ablation of ectopic atrial tachycardia in children. 2010
7.	Other	Electrophysiological management for atrial (AT) and ventricular tachycardia (VT) long after repair of tetralogy of Fallot (TOF) 2010
8.	Other	Long-term results of Catheter Ablation for Supraventricular Tachycardia Involving Twin Atrioventricular Nodes in Patients with Complex Heart Disease 2010
9.	Other	Medical and Surgical Management of Adult Atrial Septal Defect Early and Late Results of Catheter Ablation of Atrial Tachycardia Occurring Late after Surgical Closure of Atrial Septal Defects 2010
10.	Case report	Successful catheter ablation of reentrant junctional tachycardia in a patient with asplenia syndrome before total cavo-pulmonary connection 2010
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■ Academic conference presentation

1.	先天性心疾患患者に対するカテーテルアブレーションとデバイス治療(Catheter ablation and device therapy for patients with congenital heart disease) （口頭，シンポジウム・ワークショップパネル（指名）） 2022/07/22
2.	Platelet volume indices correlate to severity of heart failure and have prognostic value for both cardiac and thrombotic events in patients with congenital heart disease （ポスター掲示，一般） 2020/08/29
3.	Hybrid Therapy of Anti-Tachycardia Pacing and Catheter Ablation of Atrial Tachycardia for Patients with Complex Congenital Heart Disease （口頭，一般） 2019/07/26
4.	Catheter Ablation for Treatment of Atrial Fibrillation in Adults with Complex Congenital Heart Disease: A Multicenter Registry （口頭，一般） 2019/07/25
5.	Preventive lead extraction and replacement for lead's extension accompanying somatic growth in child underwent transvenous pacemaker implantation （口頭，一般） 2019/07/25
6.	Hybrid therapy of anti-tachycardia pacing and catheter ablation of atrial tachycardia for patients with complex congenital heart disease （ポスター掲示，一般） 2019/05/17
7.	Usefulness of a Novel Ultra-High Resolution 3-D Arrhythmia Mapping for Catheter Ablation for Patients After Surgery of Complex Congenital Heart Disease （ポスター掲示，一般） 2018/10/20
8.	Non-pharmacological anti-arrhythmic combined treatment for patients after total cavo-pulmonary connection （口頭，一般） 2018/09/02
9.	Bioelectrical impedance parameters are determinants for exercise capacity in the patients with adult congenital heart disease （ポスター掲示，一般） 2018/08/26
10.	Skeletal Muscle Mass Determined by Bioelectrical Impedance Analysis is Associated With Exercise Capacity and Cardiac Events in Patients With Congenital Heart Disease （口頭，一般） 2017/11/13
11.	Management Of Tachyarrhythmias In Patients With Adult Congenital Heart Disease After Cardiac Surgery （ポスター掲示，一般） 2017/07/19
12.	Prophylactic Catheter Ablation of the Arrhythmogenic Substrates for Total Cavo-Pulmonary Connection Candidates （口頭，一般） 2017/03/31
13.	Prophylactic Catheter Ablation of the Arrhythmogenic Substrates for Total Cavo-pulmonary Connection Candidates （ポスター掲示，一般） 2017/03/19
14.	Outcome of Transvenous Cardiac Implantable Electronic Devices Implantation for Adults with Complex Congenital Heart Disease （口頭） 2017/03/18
15.	Efficacy of expandable hydrogel polymer coil embolization for aortopulmonary collateral artery. （口頭，一般） 2017/01/28
16.	Novel technique of penetration for tough obstractive lesions. （口頭） 2017/01/27
17.	The marker for platlet activation in adult patients with congenital heart disease （ポスター掲示，一般） 2017/01/15
18.	Vortex flow in the right atrium is associated with low voltage area and supraventricular tachycardia after Fontan operation.- A study of novel imaging method, "vortex flow map"- （ポスター掲示，一般） 2017/01/15
19.	Bioelectrical Impedance Analysis Is Useful For The Management Of Heart Failure And Prediction Of Cardiac Events In Adult Patients With Congenital Heart Disease （ポスター掲示，一般） 2016/11/14
20.	Prophylactic catheter ablation of the arrhythmogenic substrates for total cavo-pulmonary connection candidates （ポスター掲示，一般） 2016/08/30
21.	Radiofrequency catheter ablation in patients with total cavopulmonary connection procedure （口頭，シンポジウム・ワークショップパネル（公募）） 2016/07/17
22.	Wearable Cardioverter Defibrillator for Congenital Heart Disease （口頭，一般） 2016/07/17
23.	3D arrhythmia mapping of complex anatomy （口頭，シンポジウム・ワークショップパネル（公募）） 2016/07/15
24.	Prophylactic Catheter Ablation of the Arrhythmogenic Substrate for Total Cavo-pulmonary Connection Candidates with Isomerism （ポスター掲示，一般） 2016/06/09
25.	A case of visual disorder prolonged after cardiopulmonary arrest （ポスター掲示，一般） 2016/05/15
26.	Efficacy of pulmonary vein isolation for atrial fibrillation in patients with atrial septal defect （口頭，一般） 2016/01/29
27.	Radiofrequency catheter ablation of supraventricular tacycardia in the patients after Fontan surgery （口頭，一般） 2016/01/29
28.	Transcatheter closure for ASD with pulmonary hypertension （口頭，一般） 2016/01/29
29.	Prognosis of radiofrequency catheter ablation in patients with twin atrioventricular nodes before TCPC procedure. （口頭，一般） 2015/05/22
30.	The Effects of Cardiac Resynchronization Therapy Using Transvenous Approach on Clinical Outcome in Patients with Systemic Right Ventricle Failure （口頭，一般） 2015/04/26
31.	Radiofrequency catheter ablation forthe patients of complex congenital heart disease （口頭） 2015/01/18
32.	Outcome of ablation for supraventricular tachycardia in adults underwent Fontan operation （口頭，一般） 2015/01/17
33.	Pacing device implantation for patients with complex heart disease （口頭，一般） 2015/01/17
34.	Catheter Ablation of Supraventricular Tachycardia in Patients With Total Cavopulmonary Connection. （ポスター掲示，一般） 2014/11/18
35.	Impact of prophylactic catheter ablation for total cavo-pulmonary connection candidates upon arrhythmias and hemodynamics: consideration for the roles of twin atrioventricular nodal physiology. （ポスター掲示，一般） 2014/09/01
36.	Transseptal Perforation for Radiofrequency Catheter Ablation in Patients with Fontan Procedure （ポスター掲示，一般） 2014/05/23
37.	Recordings Of His Bundle Electrograms Using Transaortic Approach In Patients With Complex Congenital Heart Disease （ポスター掲示，一般） 2014/03/07
38.	Clinical impact of preoperative electrophysiological intervention on postoperative supraventricular tachycardia events following Fontan procedure （ポスター掲示，一般） 2013/09/03
39.	Catheter ablation of supraventricular tachycardia in patients with total cavopulmonary connection （ポスター掲示，一般） 2013/09/01
40.	Arrhythmia: interventions and prognosis （口頭，シンポジウム・ワークショップパネル（その他）） 2013/05/24
41.	Arrhythmia in Patients with Congenital Corrected Transposition of the Great Arteries After Double Switch Operation and Conventional Rastelli （ポスター掲示，一般） 2013/02/18
42.	ICD therapy for ventricular tachycardia and sudden death in adults with congenital heart disease （口頭，シンポジウム・ワークショップパネル（その他）） 2013/01/20
43.	Double Gene Mutations in Long QT Syndrome Can Cause Significantly Increased Cardiac Event During Childhood （ポスター掲示，一般） 2012/11/04
44.	Radiofrequency catheter ablation for atrial tachycardia in patients with complex congenital heart disease after intracardiac operation （ポスター掲示，一般） 2012/05/23
45.	Vitamin D kinetics and parathyroid function in patients with congenital heart disease （ポスター掲示，一般） 2012/05/23
46.	Radiofrequency Catheter Ablation of Atrial Tachycardia in Patients after Atrial Switch Operation （ポスター掲示，一般） 2012/04/05
47.	Catheter Ablation and Defibrillator Device Therapy of Tachy-arrhythmias in Adult Patients with Congenital Heart Disease Long after the Surgical Repair （シンポジウム・ワークショップパネル（その他）） 2012/03/18
48.	The results of radiofraquency catheter ablation in patients of complex congenital heart disease after intracardiac surgery for artrial tachycardia （シンポジウム・ワークショップパネル（その他）） 2012/01/14
49.	Electrophysiological studies in patients of complex congenital heart disease with twin atrioventricular nodes before total-cano pulmonary connestion （ポスター掲示，一般） 2011/09/21
50.	Electrophysiological management for atrial (AT) and ventricular tachycardia (VT) long after repair of tetralogy of Fallot (TOF) （一般） 2010/07
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■ Education

1980/04～1986/03

Faculty of Medicine, Hiroshima University, Graduated,