Works by Ejima, Koichiro

Results: 44

Prognostic Implication of First-Degree Atrioventricular Block in Patients With Hypertrophic Cardiomyopathy.

Published in:

2020

By:

Satoshi Higuchi;
Yuichiro Minami;
Morio Shoda;
Shota Shirotani;
Chihiro Saito;
Shintaro Haruki;
Masayuki Gotou;
Daigo Yagishita;
Koichiro Ejima;
Nobuhisa Hagiwara;
Higuchi, Satoshi;
Minami, Yuichiro;
Shoda, Morio;
Shirotani, Shota;
Saito, Chihiro;
Haruki, Shintaro;
Gotou, Masayuki;
Yagishita, Daigo;
Ejima, Koichiro;
Hagiwara, Nobuhisa

Publication type:

journal article

Image integration of three-dimensional cone-beam computed tomography angiogram into electroanatomical mapping system to guide catheter ablation of atrial fibrillation.

Published in:

EP: Europace, 2010, v. 12, n. 1, p. 45, doi. 10.1093/europace/eup371

By:

Ejima, Koichiro;
Shoda, Morio;
Yagishita, Daigo;
Futagawa, Keisuke;
Yashiro, Bun;
Sato, Takahiro;
Manaka, Tetsuyuki;
Nakajima, Takatomo;
Ohmori, Hisako;
Hagiwara, Nobuhisa

Publication type:

Article

Impact of renal dysfunction on appropriate therapy in implantable cardioverter defibrillator patients with non-ischaemic dilated cardiomyopathy.

Published in:

EP: Europace, 2009, v. 11, n. 11, p. 1476, doi. 10.1093/europace/eup210

By:

Takahashi, Atsushi;
Shiga, Tsuyoshi;
Shoda, Morio;
Manaka, Tetsuyuki;
Ejima, Koichiro;
Hagiwara, Nobuhisa

Publication type:

Article

Diagnosis of arrhythmogenic right ventricular cardiomyopathy: the role of endomyocardial biopsy guided by electroanatomic voltage map: reply.

Published in:

EP: Europace, 2009, v. 11, n. 7, p. 970, doi. 10.1093/europace/eup135

By:

Ejima, Koichiro;
Shoda, Morio;
Manaka, Tetsuyuki;
Hagiwara, Nobuhisa

Publication type:

Article

Placement of an ICD lead through a small innominate vein identified by a selective retrograde venogram in a case with a persistent left superior vena cava.

Published in:

EP: Europace, 2009, v. 11, n. 4, p. 399, doi. 10.1093/europace/eun329

By:

Ejima, Koichiro;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Targeted endomyocardial biopsy using electroanatomical voltage mapping in the early stage of arrhythmogenic right ventricular cardiomyopathy.

Published in:

EP: Europace, 2009, v. 11, n. 3, p. 388, doi. 10.1093/europace/eun357

By:

Ejima, Koichiro;
Shoda, Morio;
Manaka, Tetsuyuki;
Hagiwara, Nobuhisa

Publication type:

Article

Direct oral anticoagulants as thromboembolic prophylaxis after catheter ablation of ventricular tachycardia: Not only safe and effective.

Published in:

2023

By:

Ejima, Koichiro

Publication type:

Editorial

Another recent evidence of the clinical utility of the high‐power, short‐duration radiofrequency ablation strategy.

Published in:

2022

By:

Ejima, Koichiro;
Yazaki, Kyoichiro;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Letter to the Editor

Impedance drop predicts acute electrical reconnection of the pulmonary vein-left atrium after pulmonary vein isolation using short-duration high-power exposure.

Published in:

2020

By:

Yazaki, Kyoichiro;
Ejima, Koichiro;
Kanai, Miwa;
Kataoka, Shohei;
Higuchi, Satoshi;
Yagishita, Daigo;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

journal article

Unusual dual-loop reentry during cavo-tricuspid isthmus-dependent atrial flutter.

Published in:

2019

By:

Higuchi, Satoshi;
Shoda, Morio;
Kanai, Miwa;
Yazaki, Kyoichiro;
Yagishita, Daigo;
Ejima, Koichiro;
Hagiwara, Nobuhisa

Publication type:

journal article

Leadless cardiac pacemaker implantations after infected pacemaker system removals in octogenarians.

Published in:

Journal of Geriatric Cardiology, 2021, v. 18, n. 7, p. 505, doi. 10.11909/j.issn.1671-5411.2021.07.006

By:

Satoshi Higuchi;
Ayako Okada;
Morio Shoda;
Daigo Yagishita;
Satoshi Saito;
Miwa Kanai;
Shohei Kataoka;
Kyoichiro Yazaki;
Hiroaki Tabata;
Hideki Kobayashi;
Wataru Shoin;
Takahiro Okano;
Koji Yoshie;
Koichiro Ejima;
Koichiro Kuwahara;
Nobuhisa Hagiwara

Publication type:

Article

Comparative analysis of recurrence predictors and outcomes for atrial tachyarrhythmia following atrial fibrillation ablation: high-power short-duration vs. conventional pulmonary vein isolation.

Published in:

Heart & Vessels, 2025, v. 40, n. 2, p. 149, doi. 10.1007/s00380-024-02454-x

By:

Yazaki, Kyoichiro;
Ejima, Koichiro;
Kataoka, Shohei;
Higuchi, Satoshi;
Kanai, Miwa;
Yagishita, Daigo;
Shoda, Morio;
Yamaguchi, Junichi

Publication type:

Article

Prognostic significance of cardiorenal dysfunction within 1 year after atrial fibrillation ablation in patients with systolic dysfunction.

Published in:

Heart & Vessels, 2023, v. 38, n. 1, p. 77, doi. 10.1007/s00380-022-02124-w

By:

Koike, Toshiharu;
Ejima, Koichiro;
Kataoka, Shohei;
Yazaki, Kyoichiro;
Higuchi, Satoshi;
Kanai, Miwa;
Yagishita, Daigo;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Impact of a prolonged interatrial conduction time for predicting the recurrence of atrial fibrillation after circumferential pulmonary vein isolation of persistent atrial fibrillation.

Published in:

Heart & Vessels, 2019, v. 34, n. 4, p. 616, doi. 10.1007/s00380-018-1272-8

By:

Higuchi, Satoshi;
Ejima, Koichiro;
Shoda, Morio;
Yamamoto, Eri;
Iwanami, Yuji;
Yagishita, Daigo;
Hagiwara, Nobuhisa

Publication type:

Article

Long-term clinical course after catheter ablation of atrial fibrillation in patients with hypertrophic cardiomyopathy.

Published in:

Heart & Vessels, 2019, v. 34, n. 3, p. 527, doi. 10.1007/s00380-018-1269-3

By:

Higuchi, Satoshi;
Ejima, Koichiro;
Minami, Yuichiro;
Ooyabu, Kenjiro;
Iwanami, Yuji;
Yagishita, Daigo;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Catheter ablation of atrial fibrillation in patients with severely impaired left ventricular systolic function.

Published in:

Heart & Vessels, 2016, v. 31, n. 4, p. 584, doi. 10.1007/s00380-015-0635-7

By:

Kato, Ken;
Ejima, Koichiro;
Fukushima, Noritoshi;
Ishizawa, Makoto;
Wakisaka, Osamu;
Henmi, Ryuta;
Yoshida, Kentaro;
Nuki, Toshiaki;
Arai, Kotaro;
Yashiro, Bun;
Manaka, Tetsuyuki;
Ashihara, Kyomi;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Unusual 'ratchet syndrome': spontaneous lead retraction after a generator exchange.

Published in:

2014

By:

Ejima, Koichiro;
Shoda, Morio;
Yashiro, Bun;
Yoshida, Kentaro;
Nuki, Toshiaki;
Kato, Ken;
Manaka, Tetsuyuki;
Hagiwara, Nobuhisa

Publication type:

Report

Localized reentrant tachycardia in the aorta contiguity region mimicking perimitral atrial flutter in the context of atrial fibrillation ablation.

Published in:

2013

By:

Ejima, Koichiro;
Shoda, Morio;
Miyazaki, Shinsuke;
Yashiro, Bun;
Wakisaka, Osamu;
Manaka, Tetsuyuki;
Hagiwara, Nobuhisa

Publication type:

Report

Gender difference in arrhythmic occurrences in patients with nonischemic dilated cardiomyopathy and implantable cardioverter-defibrillator.

Published in:

Heart & Vessels, 2010, v. 25, n. 2, p. 150, doi. 10.1007/s00380-009-1181-y

By:

Takahashi, Atsushi;
Shiga, Tsuyoshi;
Shoda, Morio;
Tanizaki, Kohei;
Manaka, Tetsuyuki;
Ejima, Koichiro;
Kasanuki, Hiroshi;
Hagiwara, Nobuhisa

Publication type:

Article

Transverse shifting of the esophagus according to the patient’s position helped achieve a safe and successful pulmonary vein isolation procedure.

Published in:

Heart & Vessels, 2009, v. 24, n. 4, p. 317, doi. 10.1007/s00380-008-1122-1

By:

Ejima, Koichiro;
Shoda, Morio;
Futagawa, Keisuke;
Kimura, Ryusuke;
Manaka, Tetsuyuki;
Hagiwara, Nobuhisa;
Kasanuki, Hiroshi

Publication type:

Article

Narrowing filtered QRS duration on signal-averaged electrocardiogram predicts outcomes in cardiac resynchronization therapy patients with nonischemic heart failure.

Published in:

2018

By:

Suzuki, Atsushi;
Shiga, Tsuyoshi;
Yagishita, Daigo;
Yagishita‐Tagawa, Yoshimi;
Arai, Kotaro;
Iwanami, Yuji;
Ejima, Koichiro;
Ashihara, Kyomi;
Shoda, Morio;
Hagiwara, Nobuhisa;
Yagishita-Tagawa, Yoshimi

Publication type:

journal article

Left Atrial Appendage Flow Velocity and Time from P-Wave Onset to Tissue Doppler-Derived A' Predict Atrial Fibrillation Recurrence after Radiofrequency Catheter Ablation.

Published in:

Echocardiography, 2015, v. 32, n. 7, p. 1101, doi. 10.1111/echo.12823

By:

Fukushima, Keiko;
Fukushima, Noritoshi;
Ejima, Koichiro;
Kato, Ken;
Sato, Yasuto;
Uematsu, Shoko;
Arai, Kotaro;
Manaka, Tetsuyuki;
Takagi, Atsushi;
Ashihara, Kyomi;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Editorial to "Characteristics of radiofrequency lesions in patients with symptomatic periesophageal vagal nerve injury after pulmonary vein isolation".

Published in:

Journal of Arrhythmia, 2024, v. 40, n. 3, p. 518, doi. 10.1002/joa3.13057

By:

Koichiro Ejima

Publication type:

Article

Impact of fracture‐prone implantable cardioverter defibrillator leads on long‐term patient mortality.

Published in:

Journal of Arrhythmia, 2023, v. 39, n. 3, p. 454, doi. 10.1002/joa3.12843

By:

Koike, Toshiharu;
Shoda, Morio;
Ejima, Koichiro;
Yagishita, Daigo;
Suzuki, Atsushi;
Hasegawa, Shun;
Kataoka, Shohei;
Yazaki, Kyoichiro;
Higuchi, Satoshi;
Kanai, Miwa;
Yamaguchi, Junichi

Publication type:

Article

Impact of atrial fibrillation ablation on long‐term outcomes in patients with tachycardia‐bradycardia syndrome.

Published in:

Journal of Arrhythmia, 2022, v. 38, n. 4, p. 598, doi. 10.1002/joa3.12738

By:

Kataoka, Shohei;
Ejima, Koichiro;
Yazaki, Kyoichiro;
Kanai, Miwa;
Yagishita, Daigo;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Regional differences in the predictors of acute electrical reconnection following high‐power pulmonary vein isolation for paroxysmal atrial fibrillation.

Published in:

Journal of Arrhythmia, 2021, v. 37, n. 5, p. 1260, doi. 10.1002/joa3.12597

By:

Yazaki, Kyoichiro;
Ejima, Koichiro;
Kataoka, Shohei;
Kanai, Miwa;
Higuchi, Satoshi;
Yagishita, Daigo;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Regional differences in the effects of the ablation index and interlesion distance on acute electrical reconnections after pulmonary vein isolation.

Published in:

Journal of Arrhythmia, 2020, v. 36, n. 5, p. 912, doi. 10.1002/joa3.12397

By:

Yazaki, Kyoichiro;
Ejima, Koichiro;
Higuchi, Satoshi;
Yagishita, Daigo;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Unique abdominal twiddler syndrome.

Published in:

Journal of Arrhythmia, 2019, v. 35, n. 1, p. 142, doi. 10.1002/joa3.12133

By:

Higuchi, Satoshi;
Shoda, Morio;
Satomi, Natsuko;
Iwanami, Yuji;
Yagishita, Daigo;
Ejima, Koichiro;
Hagiwara, Nobuhisa

Publication type:

Article

Lead switching to resolve undersensing of ventricular tachycardia by a cardiac resynchronization therapy defibrillator.

Published in:

Pacing & Clinical Electrophysiology, 2023, v. 46, n. 3, p. 264, doi. 10.1111/pace.14596

By:

Kataoka, Shohei;
Yagishita, Daigo;
Yazaki, Kyoichiro;
Hasegawa, Shun;
Kanai, Miwa;
Ejima, Koichiro;
Shoda, Morio

Publication type:

Article

Safety and efficacy of transvenous lead extractions for noninfectious superfluous leads in a Japanese population: A single‐center experience.

Published in:

Pacing & Clinical Electrophysiology, 2019, v. 42, n. 12, p. 1517, doi. 10.1111/pace.13806

By:

Higuchi, Satoshi;
Shoda, Morio;
Saito, Satoshi;
Kanai, Miwa;
Kataoka, Shohei;
Yazaki, Kyoichiro;
Yagishita, Daigo;
Ejima, Koichiro;
Hagiwara, Nobuhisa

Publication type:

Article

Targeting an epicardial‐endocardial breakthrough in a case with an intractable common atrial flutter using ultra–high‐resolution three‐dimensional mapping.

Published in:

Pacing & Clinical Electrophysiology, 2018, v. 41, n. 9, p. 1261, doi. 10.1111/pace.13361

By:

Higuchi, Satoshi;
Shoda, Morio;
Iwanami, Yuji;
Yagishita, Daigo;
Ejima, Koichiro;
Hagiwara, Nobuhisa

Publication type:

Article

Prevalence and Persistence of Depression in Patients with Implantable Cardioverter Defibrillator: A 2-year Longitudinal Study.

Published in:

Pacing & Clinical Electrophysiology, 2010, v. 33, n. 12, p. 1455, doi. 10.1111/j.1540-8159.2010.02887.x

By:

SUZUKI, TSUYOSHI;
SHIGA, TSUYOSHI;
KUWAHARA, KAZUE;
KOBAYASHI, SAYAKA;
SUZUKI, SHINICHI;
NISHIMURA, KATSUJI;
SUZUKI, ATSUSHI;
EJIMA, KOICHIRO;
MANAKA, TETSUYUKI;
SHODA, MORIO;
ISHIGOOKA, JUN;
KASANUKI, HIROSHI;
HAGIWARA, NOBUHISA

Publication type:

Article

Correlation between left atrial appendage morphology and flow velocity in patients with paroxysmal atrial fibrillation.

Published in:

European Heart Journal - Cardiovascular Imaging, 2016, v. 17, n. 1, p. 59, doi. 10.1093/ehjci/jev117

By:

Keiko Fukushima;
Noritoshi Fukushima;
Ken Kato;
Koichiro Ejima;
Hiroki Sato;
Kenji Fukushima;
Chihiro Saito;
Keiko Hayashi;
Kotaro Arai;
Tetsuyuki Manaka;
Kyomi Ashihara;
Morio Shoda;
Nobuhisa Hagiwara

Publication type:

Article

Efficacy of catheter ablation for patients with atrial fibrillation and atrial septal defect.

Published in:

Journal of Cardiovascular Electrophysiology, 2021, v. 32, n. 2, p. 279, doi. 10.1111/jce.14862

By:

Ogiso, Masataka;
Ejima, Koichiro;
Shoda, Morio;
Sugiyama, Hisashi;
Kato, Ken;
Tanaka, Hiroyuki;
Ohki, Hirotaka;
Miura, Masaru;
Hagiwara, Nobuhisa

Publication type:

Article

Feasibility of superior vena cava isolation in patients with cardiac implantable electronic devices.

Published in:

Journal of Cardiovascular Electrophysiology, 2020, v. 31, n. 12, p. 3132, doi. 10.1111/jce.14782

By:

Kataoka, Shohei;
Ejima, Koichiro;
Yazaki, Kyoichiro;
Kanai, Miwa;
Yagishita, Daigo;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Right atrial conduction time for predicting coexistent typical atrial flutter in patients with paroxysmal atrial fibrillation.

Published in:

Journal of Cardiovascular Electrophysiology, 2020, v. 31, n. 9, p. 2355, doi. 10.1111/jce.14623

By:

Higuchi, Satoshi;
Ejima, Koichiro;
Shoda, Morio;
Kanai, Miwa;
Kataoka, Shohei;
Yazaki, Kyoichiro;
Yagishita, Daigo;
Yoshida, Ayano;
Tanino, Sae;
Saito, Chihiro;
Yagishita, Yoshimi;
Arai, Kotaro;
Ashihara, Kyomi;
Hagiwara, Nobuhisa

Publication type:

Article

Comparison of high‐power and conventional‐power radiofrequency energy deliveries in pulmonary vein isolation using unipolar signal modification as a local endpoint.

Published in:

Journal of Cardiovascular Electrophysiology, 2020, v. 31, n. 7, p. 1702, doi. 10.1111/jce.14532

By:

Ejima, Koichiro;
Higuchi, Satoshi;
Yazaki, Kyoichiro;
Kataoka, Shohei;
Yagishita, Daigo;
Kanai, Miwa;
Shoda, Morio;
Hagiwara, Nobuhisa

Publication type:

Article

Double ventricular capture by a single atrial extrastimulus during slow‐fast atrioventricular nodal reentrant tachycardia.

Published in:

2019

By:

Higuchi, Satoshi;
Shoda, Morio;
Ejima, Koichiro;
Hagiwara, Nobuhisa

Publication type:

Case Study

Comparison of the Efficacy of Empiric Thoracic Vein Isolation for the Treatment of Paroxysmal and Persistent Atrial Fibrillation in Patients Without Structural Heart Disease.

Published in:

Journal of Cardiovascular Electrophysiology, 2017, v. 28, n. 3, p. 266, doi. 10.1111/jce.13159

By:

EJIMA, KOICHIRO;
HENMI, RYUTA;
IWANAMI, YUJI;
YAGISHITA, DAIGO;
SHODA, MORIO;
HAGIWARA, NOBUHISA

Publication type:

Article

Interatrial Conduction Time Can Predict New-Onset Atrial Fibrillation After Radiofrequency Ablation of Isolated, Typical Atrial Flutter.

Published in:

Journal of Cardiovascular Electrophysiology, 2016, v. 27, n. 11, p. 1293, doi. 10.1111/jce.13040

By:

HENMI, RYUTA;
EJIMA, KOICHIRO;
SHODA, MORIO;
YAGISHITA, DAIGO;
HAGIWARA, NOBUHISA

Publication type:

Article

Successful Catheter Ablation and Documentation of the Activation and Propagation Pattern During a Left Atrial Focal Tachycardia in a Patient with Cor Triatriatum Sinister.

Published in:

2010

By:

EJIMA, KOICHIRO;
SHODA, MORIO;
MANAKA, TETSUYUKI;
HAGIWARA, NOBUHISA

Publication type:

Case Study

Reel Syndrome.

Published in:

2009

By:

EJIMA, KOICHIRO;
SHODA, MORIO;
MANAKA, TETSUYUKI;
HAGIWARA, NOBUHISA

Publication type:

Other

Left Ventricular Pseudoaneurysm Following a “POP” Phenomenon.

Published in:

2008

By:

EJIMA, KOICHIRO;
SHODA, MORIO;
MANAKA, TETSUYUKI;
KASANUKI, HIROSHI

Publication type:

Other

Bi-focal Atrial Tachycardia Mimicking Atrial Fibrillation: Fusion and Interference Between Two Distinct Tachycardias.

Published in:

Journal of Cardiovascular Electrophysiology, 2007, v. 18, n. 11, p. 1210, doi. 10.1111/j.1540-8167.2007.00839.x

By:

EJIMA, KOICHIRO;
SHODA, MORIO;
TANIZAKI, KOHEI;
KASANUKI, HIROSHI

Publication type:

Article