Search Results - "EJIMA, KOICHIRO"

Editorial to “Characteristics of radiofrequency lesions in patients with symptomatic periesophageal vagal nerve injury after pulmonary vein isolation” by Ejima, Koichiro

“…Because the left atrium (LA) and esophagus are adjacent to each other, collateral damage to the periesophageal vagal nerve after ablation of atrial…”
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Technical Features and Clinical Outcomes of Coronary Venous Left Ventricular Lead Removal and Reimplantation by Yagishita, Daigo, Shoda, Morio, Saito, Satoshi, Kataoka, Shohei, Yazaki, Kyoichiro, Kanai, Miwa, Ejima, Koichiro, Hagiwara, Nobuhisa

“…Background:The number of patients undergoing cardiac resynchronization therapy has increased. Consequently, there is increased frequency in the removal and…”
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Impedance drop predicts acute electrical reconnection of the pulmonary vein-left atrium after pulmonary vein isolation using short-duration high-power exposure by Yazaki, Kyoichiro, Ejima, Koichiro, Kanai, Miwa, Kataoka, Shohei, Higuchi, Satoshi, Yagishita, Daigo, Shoda, Morio, Hagiwara, Nobuhisa

“…Purpose To determine the efficacy and identify the relevant factors for durable lesion creation in pulmonary vein isolation (PVI) using a high-power…”
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Comparison of high‐power and conventional‐power radiofrequency energy deliveries in pulmonary vein isolation using unipolar signal modification as a local endpoint by Ejima, Koichiro, Higuchi, Satoshi, Yazaki, Kyoichiro, Kataoka, Shohei, Yagishita, Daigo, Kanai, Miwa, Shoda, Morio, Hagiwara, Nobuhisa

“…Introduction Negative component abolition of the unipolar signal (unipolar signal modification [USM]) reflects the lesion transmurality. The purpose of this…”
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Time interval from left ventricular stimulation to QRS onset is a novel predictor of nonresponse to cardiac resynchronization therapy by Yagishita, Daigo, Shoda, Morio, Yagishita, Yoshimi, Ejima, Koichiro, Hagiwara, Nobuhisa

“…Left ventricular (LV) lead placement at the late activation site (LAS) has been proposed as an optimal LV pacing site (ie, Q-LV interval). However, LAS may be…”
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Life-Threatening Arrhythmia During Automated Atrial Capture Management Pacing by Yazaki, Kyoichiro, Shoda, Morio, Kataoka, Shohei, Kanai, Miwa, Higuchi, Satoshi, Yagishita, Daigo, Ejima, Koichiro, Hagiwara, Nobuhisa

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Prognostic significance of cardiorenal dysfunction within 1 year after atrial fibrillation ablation in patients with systolic dysfunction by Koike, Toshiharu, Ejima, Koichiro, Kataoka, Shohei, Yazaki, Kyoichiro, Higuchi, Satoshi, Kanai, Miwa, Yagishita, Daigo, Shoda, Morio, Hagiwara, Nobuhisa

“…Atrial fibrillation (AF) ablation can improve left ventricular ejection fraction (LVEF) and renal function and can even reduce mortality in patients with…”
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Clinical outcomes of upgrade to versus de novo cardiac resynchronization therapy in mild heart failure patients with atrioventricular block by Kanai, Miwa, Yagishita, Daigo, Shoda, Morio, Ejima, Koichiro, Hagiwara, Nobuhisa

“…•Cardiac resynchronization therapy (CRT) upgrade from right ventricular pacing in patients with mid-range left ventricular ejection fraction (LVEF) has not…”
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Impact of an Empiric Isolation of the Superior Vena Cava in Addition to Circumferential Pulmonary Vein Isolation on the Outcome of Paroxysmal Atrial Fibrillation Ablation by Ejima, Koichiro, MD, PhD, Kato, Ken, MD, Iwanami, Yuji, MD, Henmi, Ryuta, MD, Yagishita, Daigo, MD, Manaka, Tetsuyuki, MD, PhD, Fukushima, Keiko, MD, PhD, Arai, Kotaro, MD, PhD, Ashihara, Kyomi, MD, PhD, Shoda, Morio, MD, PhD, Hagiwara, Nobuhisa, MD, PhD

“…The safety and efficacy of an empiric superior vena cava isolation (SVCI) in addition to circumferential pulmonary vein isolation (CPVI) in patients with…”
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Impact of a prolonged interatrial conduction time for predicting the recurrence of atrial fibrillation after circumferential pulmonary vein isolation of persistent atrial fibrillation by Higuchi, Satoshi, Ejima, Koichiro, Shoda, Morio, Yamamoto, Eri, Iwanami, Yuji, Yagishita, Daigo, Hagiwara, Nobuhisa

“…There are some cases that are difficult to cure with only circumferential pulmonary vein isolation (CPVI) of persistent atrial fibrillation (PerAF). Recently,…”
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Comparison of the Efficacy of Empiric Thoracic Vein Isolation for the Treatment of Paroxysmal and Persistent Atrial Fibrillation in Patients Without Structural Heart Disease by EJIMA, KOICHIRO, HENMI, RYUTA, IWANAMI, YUJI, YAGISHITA, DAIGO, SHODA, MORIO, HAGIWARA, NOBUHISA

“…Empiric Thoracic Vein Isolation Introduction The guidelines suggest that an adjuvant substrate modification in addition to pulmonary vein isolation (PVI) may…”
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Safety and efficacy of transvenous lead extractions for noninfectious superfluous leads in a Japanese population: A single‐center experience by Higuchi, Satoshi, Shoda, Morio, Saito, Satoshi, Kanai, Miwa, Kataoka, Shohei, Yazaki, Kyoichiro, Yagishita, Daigo, Ejima, Koichiro, Hagiwara, Nobuhisa

“…Background A challenging decision exists as whether to abandon or remove noninfectious superfluous leads during lead revisions or cardiac implantable…”
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Long-Term Efficacy of Implantable Cardioverter Defibrillator in Repaired Tetralogy of Fallot　― Role of Anti-tachycardia Pacing by Henmi, Ryuta, Ejima, Koichiro, Yagishita, Daigo, Iwanami, Yuji, Nishimura, Tomomi, Takeuchi, Daiji, Toyohara, Keiko, Shoda, Morio, Hagiwara, Nobuhisa

“…Background:Tetralogy of Fallot (TOF) is one of the common congenital heart diseases (CHD) in implantable cardioverter defibrillator (ICD) recipients, but few…”
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Impact of fracture‐prone implantable cardioverter defibrillator leads on long‐term patient mortality by Koike, Toshiharu, Shoda, Morio, Ejima, Koichiro, Yagishita, Daigo, Suzuki, Atsushi, Hasegawa, Shun, Kataoka, Shohei, Yazaki, Kyoichiro, Higuchi, Satoshi, Kanai, Miwa, Yamaguchi, Junichi

“…Background The long‐term relationship between fracture‐prone implantable cardioverter‐defibrillator (ICD) leads and poor prognosis remains unclear in Japanese…”
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Impact of Atrial Remodeling on the Outcome of Radiofrequency Catheter Ablation of Paroxysmal Atrial Fibrillation by Ejima, Koichiro, Kato, Ken, Arai, Kotaro, Fukushima, Keiko, Fukushima, Noritoshi, Suzuki, Tsuyoshi, Yoshida, Kentaro, Nuki, Toshiaki, Uematsu, Shoko, Hoshi, Hiromi, Manaka, Tetsuyuki, Ashihara, Kyomi, Shoda, Morio, Hagiwara, Nobuhisa

“…Background: Both the left atrial volume index (LAVI) and estimated total atrial conduction time measured using tissue Doppler imaging of the atria (PA-TDI…”
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Long-term clinical course after catheter ablation of atrial fibrillation in patients with hypertrophic cardiomyopathy by Higuchi, Satoshi, Ejima, Koichiro, Minami, Yuichiro, Ooyabu, Kenjiro, Iwanami, Yuji, Yagishita, Daigo, Shoda, Morio, Hagiwara, Nobuhisa

“…Atrial fibrillation (AF) in hypertrophic cardiomyopathy (HCM) patients is highly associated with deterioration of their clinical condition, such as worsening…”
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Impact of atrial fibrillation ablation on long‐term outcomes in patients with tachycardia‐bradycardia syndrome by Kataoka, Shohei, Ejima, Koichiro, Yazaki, Kyoichiro, Kanai, Miwa, Yagishita, Daigo, Shoda, Morio, Hagiwara, Nobuhisa

“…Background Reports of long‐term outcomes after atrial fibrillation (AF) ablation for tachycardia‐bradycardia syndrome (TBS) are limited. This study aimed to…”
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Regional differences in the predictors of acute electrical reconnection following high‐power pulmonary vein isolation for paroxysmal atrial fibrillation by Yazaki, Kyoichiro, Ejima, Koichiro, Kataoka, Shohei, Kanai, Miwa, Higuchi, Satoshi, Yagishita, Daigo, Shoda, Morio, Hagiwara, Nobuhisa

“…Background Acute pulmonary vein reconnection (PVR) is associated with long procedure times and large radiofrequency (RF) energy delivery during pulmonary vein…”
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Prognostic Implication of First-Degree Atrioventricular Block in Patients With Hypertrophic Cardiomyopathy by Higuchi, Satoshi, Minami, Yuichiro, Shoda, Morio, Shirotani, Shota, Saito, Chihiro, Haruki, Shintaro, Gotou, Masayuki, Yagishita, Daigo, Ejima, Koichiro, Hagiwara, Nobuhisa

“…Background The association between first-degree atrioventricular block (AVB) and life-threatening cardiac events in patients with hypertrophic cardiomyopathy…”
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Regional differences in the effects of the ablation index and interlesion distance on acute electrical reconnections after pulmonary vein isolation by Yazaki, Kyoichiro, Ejima, Koichiro, Higuchi, Satoshi, Yagishita, Daigo, Shoda, Morio, Hagiwara, Nobuhisa

“…Background In pulmonary vein isolation, the regional differences in the ablation index (AI) and interlesion distance (ILD) remain unclear. This study aimed to…”
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