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  Journal of Arrhythmia
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   Full-text available via subscription Subscription journal
   ISSN (Print) 1880-4276 - ISSN (Online) 1883-2148
   Published by Elsevier Homepage  [2589 journals]
  • Editorial Board
    • Pages: iii - iv
      Citation: Journal of Arrhythmia 31, 1 (2015)
      PubDate: 2015-02
      DOI: 10.1016/S1880-4276(15)00015-0
      Issue No: Vol. 31, No. 1 (2015)
       
  • Left atrial thrombus formation and resolution during dabigatran therapy: A
           Japanese Heart Rhythm Society report
    • Authors: Hideo Mitamura; Takayuki Nagai, Atsuyuki Watanabe, Seiji Takatsuki, Ken Okumura
      Abstract: Protocols on the use of novel oral anticoagulants for stroke prevention in patients with atrial fibrillation (AF) undergoing electrical cardioversion (ECV) are lacking.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-03-04
      DOI: 10.1016/j.joa.2014.12.010
       
  • Electrophysiological and anatomical background of the fusion configuration
           of diastolic and presystolic Purkinje potentials in patients with
           verapamil-sensitive idiopathic left ventricular tachycardia
    • Authors: Hiroshi Taniguchi; Yoshinori Kobayashi, Mitsunori Maruyama, Norishige Morita, Meiso Hayashi, Yasushi Miyauchi, Wataru Shimizu
      Abstract: It is unclear whether false tendons (FTs) are a substantial part of the reentry circuit of verapamil-sensitive idiopathic left ventricular tachycardia (ILVT). This study aimed to prove the association between FTs and the slow conduction zone by evaluating the electro-anatomical relationship between the so-called diastolic Purkinje (Pd) potentials and FTs using an electro-anatomical mapping (EAM) system (CARTO).
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-02-24
      DOI: 10.1016/j.joa.2015.01.003
       
  • Usefulness of a wearable cardioverter defibrillator combined with catheter
           ablation for ventricular tachyarrhythmia storms after a myocardial
           infarction: A case report
    • Authors: Yusuke Yoshikawa; Kazuaki Kaitani, Naoaki Onishi, Toshihiro Tamura, Chisato Izumi, Yoshihisa Nakagawa
      Abstract: We report a case of a 60-year-old man with recurrent poly- and monomorphic ventricular tachycardia related to a recent myocardial infarction. Due to drug-refractory ventricular tachycardia despite complete revascularization, he underwent catheter ablation. Afterwards, he was fitted with a wearable cardioverter defibrillator. Three months later, no ventricular tachycardia had been recorded and an electrophysiologic study failed to induce an episode. Thus, wearable cardioverter defibrillators are useful bridging devices pending a final decision to implant a cardioverter defibrillator.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-02-16
      DOI: 10.1016/j.joa.2014.12.009
       
  • Inappropriate mode switching clarified by using a chest radiograph
    • Authors: Brian Marino; Abhishek Jaiswal, Seth Goldbarg
      Abstract: An 80-year-old woman with a history of paroxysmal atrial fibrillation and atrioventricular node disease status post-dual chamber pacemaker placement was noted to have abnormal pacing episodes during a percutaneous coronary intervention. Pacemaker interrogation revealed a high number of short duration mode switching episodes. Representative electrograms demonstrated high frequency nonphysiologic recordings predominantly in the atrial lead. Intrinsic pacemaker malfunction was excluded. A chest radiograph showed excess atrial and ventricular lead slack in the right ventricular inflow.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-02-13
      DOI: 10.1016/j.joa.2015.01.001
       
  • The effectiveness of cardiac resynchronization therapy for patients with
           New York Heart Association class IV non-ambulatory heart failure
    • Authors: Soichiro Yamashita; Koji Fukuzawa, Akihiro Yoshida, Mitsuaki Itoh, Kimitake Imamura, Ryudo Fujiwara, Atsushi Suzuki, Tomoyuki Nakanishi, Akinori Matsumoto, Gaku Kanda, Kunihiko Kiuchi, Akira Shimane, Katsunori Okajima, Hidekazu Tanaka, Ken-ichi Hirata
      Abstract: We reviewed the effectiveness and safety of cardiac resynchronization therapy (CRT) for patients with New York Heart Association (NYHA) class IV non-ambulatory heart failure (NAHF).
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-02-13
      DOI: 10.1016/j.joa.2014.12.008
       
  • Coexistence of persistent left superior vena cava with common inferior
           pulmonary vein in a patient with atrial fibrillation
    • Authors: Kunihiko Kiuchi; Katsunori Okajima, Yu Takahashi, Kiminobu Yokoi, Akira Shimane
      Abstract: Coexistence of a persistent left superior vena cava (PLSVC) with a common inferior pulmonary vein (CIPV) is very rare. The electrical assessment of those thoracic veins was performed during the atrial fibrillation ablation.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-02-11
      DOI: 10.1016/j.joa.2014.12.007
       
  • Increased defibrillator therapies during influenza season in patients
           without influenza vaccines
    • Authors: Sheldon M. Singh; Russell J. de Souza, Ramanan Kumareswaran
      Abstract: The association between influenza vaccination and implantable cardiac defibrillator (ICD) therapies during influenza season is not known and is described in this study. Understanding this association is important since reduction in ICD therapies during influenza season via use of influenza vaccination would benefit patients physically and psychologically.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-02-03
      DOI: 10.1016/j.joa.2014.12.006
       
  • Prophylactic catheter ablation of ventricular tachycardia before
           cardioverter-defibrillator implantation in patients with non-ischemic
           cardiomyopathy: Clinical outcomes after a single endocardial ablation
    • Authors: Atsushi Suzuki; Akihiro Yoshida, Asumi Takei, Koji Fukuzawa, Kunihiko Kiuchi, Kaoru Takami, Mitsuaki Itoh, Kimitake Imamura, Ryudo Fujiwara, Tomoyuki Nakanishi, Soichiro Yamashita, Akinori Matsumoto, Akira Shimane, Katsunori Okajima, Ken-ichi Hirata
      Abstract: Outcomes related to prophylactic catheter ablation (PCA) for ventricular tachycardia (VT) before implantable cardioverter-defibrillator (ICD) implantation in non-ischemic cardiomyopathy (NICM) are not well characterized. We assessed the efficacy of single endocardial PCA in NICM patients.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-02-03
      DOI: 10.1016/j.joa.2014.09.007
       
  • Ventricular bigeminy in acute organophorous poisoning – A rare ECG
           finding
    • Authors: Bharati Taksande; Bhawik Dhirawani
      Abstract: India being a land of farmer, the pesticides are freely and easily available and therefore organophosphorous poisoning is one of the major health issues. Suicidal poisoning is more common than accidental poisoning. Cardiac manifestations of organophosphorous poisoning are well known. It results in various electrocardiographic changes from sinus tachycardia to ST elevation. We hereby present a rare ECG finding of ventricular bigeminy in a case of acute organophosphorous poisoning.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-02-02
      DOI: 10.1016/j.joa.2014.12.004
       
  • Prevalence and associated factors of early repolarization pattern in
           healthy young northeastern Thai men: A correlation study with Brugada
           electrocardiography
    • Authors: Pattarapong Makarawate; Narumol Chaosuwannakit, Yossavadee Ruamcharoen, Aunejit Panthongviriyakul, Choowong Pongchaiyakul, Prapapan Tharaksa, Temsiri Sripo, Kittisak Sawanyawisuth
      Abstract: Early repolarization pattern (ERP) is characterized by J-point elevation with QRS notching or slurring in the terminal portion of the QRS complex. It may be associated with sudden death. Brugada syndrome (BS) is a genetic and fatal disease commonly found in northeastern Thai men. Data on the rate and predictors of ERP in Asian populations are limited. In addition, the correlation between ERP and BS has never been studied in an endemic area of BS. This study aimed to evaluate the prevalence of ERP and its associated factors in young, healthy male Asian subjects.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-01-29
      DOI: 10.1016/j.joa.2014.12.005
       
  • Successful transjugular extraction of a lead in front of the anterior
           scalene muscle by using snare technique
    • Authors: Ayako Okada; Kazunori Aizawa, Takeshi Tomita, Kouji Yoshie, Takahiro Takeuchi, Morio Shoda, Uichi Ikeda
      Abstract: The incidence of cardiovascular implantable electronic device infection is increasing. We report a case of and successful device removal in a 79-year-old man with implantable cardioverter-defibrillator infection. Right phrenic nerve paralysis was evident on chest radiography. The lead was in front of the anterior scalene muscle, close to the left phrenic nerve. Therefore, extraction carried a risk of bilateral phrenic nerve paralysis. The lead was successfully extracted from the right internal jugular vein by using the snare technique.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-01-17
      DOI: 10.1016/j.joa.2014.12.002
       
  • Feasibility and accuracy of a new mobile electrocardiography device,
           ER-2000, in the diagnosis of arrhythmia
    • Authors: Yae Min Park; Dae In Lee, Hwan Cheol Park, Jaemin Shim, Jong-Il Choi, Hong Euy Lim, Sang Weon Park, Young-Hoon Kim
      Abstract: We performed this study to evaluate the feasibility and accuracy of a new mobile electrocardiography (ECG) device, ER-2000®, in detecting cardiac arrhythmia, by comparing it to a 12-lead ECG used as the gold standard.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-01-13
      DOI: 10.1016/j.joa.2014.12.003
       
  • Dramatic improvement of refractory anemia caused by mechanical hemolysis
           in a patient with hypertrophic obstructive cardiomyopathy using
           dual-chamber pacing
    • Authors: Yosuke Miwa; Kyoko Soejima, Toshiaki Sato, Kenichi Matsushita, Junsuke Sueoka, Nobuyuki Takayama, Hideaki Yoshino
      Abstract: A 59-year-old woman with hypertrophic obstructive cardiomyopathy was admitted to our institution with worsening heart failure. She developed mechanical intracardiac hemolysis due to left ventricular outflow tract (LVOT) obstruction. Despite surgical myectomy, the LVOT pressure gradient (PG) remained high and hemolytic anemia recurred. A dual-chamber implantable cardioverter defibrillator was then implanted, which decreased the LVOT-PG and improved hemolysis.
      Citation: Journal of Arrhythmia (2015)
      PubDate: 2015-01-02
      DOI: 10.1016/j.joa.2014.12.001
       
  • Malignant conversion of benign right ventricular outflow track ventricular
           tachycardia 18 years post-ablation
    • Authors: Wendy H. Gerstein; Neal S. Gerstein, Andrea Sandoval, Michael B. West
      Abstract: This case report describes the rare phenomenon of malignant conversion of benign right ventricular outflow tract ventricular tachycardia into idiopathic ventricular fibrillation 18 years after successful ablation, in the absence of any type of heart disease. We review the current literature looking at predictors for this event, with the conclusion that there are no reliable risk predictors available. Until clear guidelines exist, we suggest patients be informed and monitored for the possibility of “malignant conversion” following ablation for benign idiopathic outflow tract ventricular tachycardia.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-12-30
      DOI: 10.1016/j.joa.2014.11.005
       
  • Acquisition of the pulmonary venous and left atrial anatomy with
           non-contrast-enhanced MRI for catheter ablation of atrial fibrillation:
           Usefulness of two-dimensional balanced steady-state free precession
    • Authors: Yutaka Shigenaga; Kunihiko Kiuchi, Katsunori Okajima, Kazushi Ikeuchi, Takayuki Ikeda, Akira Shimane, Kiminobu Yokoi, Jin Teranishi, Kousuke Aoki, Misato Chimura, Hideyuki Masai, Shinichiro Yamada, Yasuyo Taniguchi, Yoshinori Yasaka, Hiroya Kawai
      Abstract: Usually, the pulmonary venous and left atrial (PV–LA) anatomy is assessed with contrast-enhanced computed tomographic imaging for catheter ablation of atrial fibrillation (AF). A non-contrast-enhanced magnetic resonance (MR) imaging method has not been established. Three-dimensional balanced steady-state free precession (3D b-SSFP) sequences cannot visualize the PV–LA anatomy simultaneously because of the signal intensity defect of pulmonary veins. We compared two-dimensional (2D) b-SSFP sequences with 3D b-SSFP sequences in depicting the PV–LA anatomy with non-contrast-enhanced MR imaging for AF ablation.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-12-23
      DOI: 10.1016/j.joa.2014.11.006
       
  • Inadvertent puncture of the aortic noncoronary cusp during postoperative
           left atrial tachycardia ablation
    • Authors: Dursun Aras; Ozcan Ozeke, Serkan Cay, Firat Ozcan, Meryem Kara, Serkan Topaloglu
      Abstract: Transseptal catheterization has become part of the interventional electrophysiologist׳s technical armamentarium since the development of left atrial catheter ablation and percutaneous technologies for treating mitral and aortic valve disease. Although frequently performed, the procedure׳s most feared complication is aortic root penetration. Focal atrial tachycardia has been described as the most common late sequela of surgical valve replacements. We present a complicated case involving the inadvertent delivery of an 8 French sheath across the noncoronary cusp during radiofrequency catheter ablation for left atrial tachycardia originating from the mitral annulus in a patient with prior mitral valve replacement.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-12-18
      DOI: 10.1016/j.joa.2014.11.004
       
  • Relationship between plasma dabigatran concentration and activated partial
           thromboplastin time in Japanese patients with non-valvular atrial
           fibrillation
    • Authors: Daiki Shimomura; Yoshihisa Nakagawa, Hirokazu Kondo, Toshihiro Tamura, Masashi Amano, Yukiko Hayama, Naoaki Onishi, Yodo Tamaki, Makoto Miyake, Kazuaki Kaitani, Chisato Izumi, Masahiko Hayashida, Aya Fukuda, Fumihiko Nakamura, Seiji Kawano
      Abstract: Activated partial thromboplastin time (aPTT) is recommended for monitoring anticoagulant activity in dabigatran-treated patients; however, there are limited data in Japanese patients. To clarify the relationship between plasma dabigatran concentration and aPTT, we analyzed plasma dabigatran concentration and aPTT at various time points following administration of oral dabigatran in a Japanese hospital.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-12-18
      DOI: 10.1016/j.joa.2014.11.003
       
  • Right-sided infective endocarditis as a potentially fatal complication in
           patients with long-term refractory severe bradyarrhythmia after cervical
           spinal cord injury: A case report
    • Authors: Naoki Miura; Hideaki Suzuki, Shota Maesawa, Tomoaki Koakutsu, Yasuharu Matsumoto, Koji Fukuda, Yutaka Kagaya, Shigeki Kushimoto, Hiroaki Shimokawa
      Abstract: Bradyarrhythmia is usually a spontaneously subsiding complication of cervical spinal cord injury. However, in severe cases, it can lead to cardiac arrest. We report a case of cervical spinal cord injury, complicated by right-sided infective endocarditis after the placement of a temporary pacing catheter in the right ventricle for severe bradyarrhythmia that led to cardiac arrest. Although the patient׳s condition was successfully treated by pacing catheter removal and pharmacological therapy, right-sided infective endocarditis would be a fatal complication in cases of cervical spinal cord injury where cardiac pacing is required for long-term refractory severe bradyarrhythmia.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-12-06
      DOI: 10.1016/j.joa.2014.11.002
       
  • Fabry cardiomyopathy presenting with a high defibrillation threshold: A
           short case report
    • Authors: Takashi Kanda; Masaharu Masuda, Akihiro Sunaga, Masashi Fujita, Osamu Iida, Shin Okamoto, Takayuki Ishihara, Kiyonori Nanto, Tatsuya Shiraki, Fusako Sera, Masaaki Uematsu
      Abstract: Fabry disease is an X-linked recessive glycosphingolipid storage disorder caused by a deficiency of lysosomal enzyme α-galactosidase A. It is recognized that Fabry disease patients often have ventricular arrhythmias. Although the effectiveness of implantable cardioverter-defibrillator (ICD) therapy in patients with ventricular fibrillation is established, there is little evidence regarding ICD therapy for Fabry disease. Here, we report the case of patient with Fabry disease who was treated with an ICD and presented with high defibrillation thresholds.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-12-02
       
  • Programmed electrical stimulation for risk stratification of patients with
           ischemic cardiomyopathy
    • Authors: Asaf Danon; Jorge E. Schliamser, Idit Lavi, Arie Militianu
      Abstract: Patients with ischemic cardiomyopathy (ICM) are at an increased risk for sudden death. Although earlier trials used programmed electrical stimulation (PES) for risk stratification, more recent data demonstrate the benefit of implantable cardiac defibrillators (ICDs) in selected patients with reduced left ventricular ejection fraction (LVEF) without performing PES. However, little is known about the outcome of non-inducible patients. The purpose of this study was to evaluate the efficacy of PES for mortality risk stratification in patients with ICM.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-12-01
       
  • Demonstration of a hidden interaction between the aortomitral continuity
           and the conduction system in a case of idiopathic left ventricular outflow
           tract ventricular tachycardia
    • Authors: Masahiro Mizobuchi; Yoshihisa Enjoji
      Abstract: We describe a case of idiopathic left ventricular outflow ventricular tachycardia. Monomorphic ventricular arrhythmia (VA) with a right bundle branch block morphology and an inferior axis was induced through exercise or isoproterenol infusion. During VA bigeminy, a spiked presystolic potential (PP) preceding the VA with a qrS pattern in the unipolar electrogram was recorded at the aortomitral continuity (AMC). Radiofrequency catheter ablation eliminated the VA despite the persistence of sinus-PP bigeminy.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-11-27
       
  • We do our work with all our heart
    • Authors: İsmail Ateş; Zeynettin Kaya, Mehmet Doğru
      Abstract: These original images were encountered during interventional procedures. Awareness about the abnormalities that they depict is important to identify them. We present an original image of the coronary sinus lead. The lead was placed in the posterolateral branch of the coronary sinus during cardiac resynchronization therapy combined with implantation of an implantable cardioverter-defibrillator. We observed that the lead achieved a heart shape in the left anterior oblique position (Fig. 1). We would like to dedicate this image to all physicians who are devoted to their work.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-11-27
      DOI: 10.1016/j.joa.2014.11.001
       
  • Immediate electrical storm of Torsades de Pointes after CRT-D implantation
           in an ischemic cardiomyopathy patient
    • Authors: Adnan Kaya; Aylin Sungur, Ahmet Ilker Tekkesin, Ceyhan Turkkan, Ahmet Taha Alper
      Abstract: Cardiac resynchronization therapy with an implantable cardioverter-defibrillator (CRT-D) is the preferred treatment for patients with severe heart failure, dyssynchrony, and an increased risk of sudden cardiac death or for primary ventricular arrhythmia survivors. Rarely, left ventricular epicardial pacing can induce ventricular tachyarrhythmia rather than a beneficial effect. We describe an ischemic cardiomyopathy patient who underwent CRT-D therapy and developed sustained torsades de pointes (TdP) immediately after switching to biventricular pacing (BVP) mode.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-11-27
       
  • Visualization of the radiofrequency lesion after pulmonary vein isolation
           using delayed enhancement magnetic resonance imaging fused with magnetic
           resonance angiography
    • Authors: Kunihiko Kiuchi; Katsunori Okajima, Akira Shimane, Kiminobu Yokoi, Jin Teranishi, Kousuke Aoki, Misato Chimura, Hideo Tsubata, Taishi Miyata, Yuuki Matsuoka, Takayoshi Toba, Shogo Ohishi, Takahiro Sawada, Yasue Tsukishiro, Tetsuari Onishi, Seiichi Kobayashi, Shinichiro Yamada, Yasuyo Taniguchi, Yoshinori Yasaka, Hiroya Kawai, Kazushi Ikeuchi, Yutaka Shigenaga, Takayuki Ikeda
      Abstract: The radiofrequency (RF) lesions for atrial fibrillation (AF) ablation can be visualized by delayed enhancement magnetic resonance imaging (DE-MRI). However, the quality of anatomical information provided by DE-MRI is not adequate due to its spatial resolution. In contrast, magnetic resonance angiography (MRA) provides similar information regarding the left atrium (LA) and pulmonary veins (PVs) as computed tomography angiography. We hypothesized that DE-MRI fused with MRA will compensate for the inadequate image quality provided by DE-MRI.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-11-27
       
  • Frequent neurally mediated reflex syncope in a young patient with
           dextrocardia: Efficacy of catheter ablation of the superior vena
           cava–aorta ganglionated plexus
    • Authors: Hidetaka Suenaga; Masato Murakami, Tomoyuki Tani, Shigeru Saito
      Abstract: Neurally mediated reflex syncope is the most common cause of syncope in young individuals without cardiac or neurological pathology. We report a case of successful catheter ablation in a 17-year-old male with neurally mediated syncope (NMS) of the cardioinhibitory type. The patient had dextrocardia situs inversus totalis with a mirror-image reversal of the thoracic and abdominal organs. Because he experienced multiple syncope episodes despite pharmacological intervention, we performed endocardial ablation of the superior vena cava–aorta ganglionated plexus.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-11-26
       
  • Usefulness of entrainment mapping using the activation sequence of the
           last captured excitation in complex dual-loop atrial tachycardia
    • Authors: Akira Fujiki; Ryozo Yoshioka, Masao Sakabe
      Abstract: Electroanatomical mapping is useful for locating the atrial reentrant circuit, but analysis of the dynamic relation of the reentrant circuit is sometimes difficult. This article describes three cases of complex dual-loop reentrant atrial tachycardia analyzed by entrainment mapping using not only the postpacing interval (PPI) but also the activation sequence of the last captured beats.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-11-06
      DOI: 10.1016/j.joa.2014.09.006
       
  • Failure of communication and capture: The perils of temporary unipolar
           pacing system
    • Authors: Efe Sahinoglu; Thomas J. Wool, Kenneth J. Wool
      Abstract: We present a case of a patient with pacemaker dependence secondary to complete heart block who developed loss of capture of her temporary pacemaker. Patient developed torsades de pointes then ventricular fibrillation, requiring CPR and external cardioversion. After patient was stabilized, it was noticed that loss of capture of pacemaker corresponded with nursing care, when the pulse generator was lifted off patient׳s chest wall, and that patient׳s temporary pacing system had been programmed to unipolar mode without knowledge of attending cardiologist.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-10-29
      DOI: 10.1016/j.joa.2014.09.004
       
  • Investigation of optimal position for implantable loop recorders by
           potential mapping with Reveal DX
    • Authors: Akira Kawashima; Fumi Tanimoto, Tsuyoshi Nagao, Takeshi Toyoshima, Yuji Okuyama
      Abstract: Electrode positioning is important for the operation of implantable loop recorders (ILRs). This study aimed to investigate optimal electrode positions for the implantation of ILRs.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-10-23
      DOI: 10.1016/j.joa.2014.09.005
       
  • Left intraventricular dyssynchrony caused by a false tendon
    • Authors: Tadanobu Irie; Koji Kurosawa, Yoshiaki Kaneko, Tadashi Nakajima, Rieko Tateno, Masahiko Kurabayashi
      Abstract: Left ventricular (LV) false tendons are usually benign, intraventricular myocardial structures, which may cause functional malfunction or deformation of the LV cavity due to mechanical stretching and dilatation of the LV wall. We present a case of non-ischemic cardiomyopathy complicated with intraventricular dyssynchrony that was caused by complete left bundle branch block and the mechanical pressure exerted by the stiff false tendon on the weakened mid-septum during systole.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-10-22
      DOI: 10.1016/j.joa.2014.09.002
       
  • Defibrillation lead placement using a transthoracic transatrial approach
           in a case without transvenous access due to lack of the right superior
           vena cava
    • Authors: Yosuke Otsuka; Hideo Okamura, Syunsuke Sato, Ikutaro Nakajima, Kohei Ishibashi, Kouji Miyamoto, Takashi Noda, Takeshi Aiba, Shiro Kamakura, Junjiro Kobayashi, Satoshi Yasuda, Hisao Ogawa, Kengo Kusano
      Abstract: A 65-year-old woman with a history of syncope was diagnosed with hypertrophic cardiomyopathy. She had previously undergone mastectomy of the left breast owing to breast cancer. Holter electrocardiogram (ECG) and monitor ECG revealed sick sinus syndrome (Type II) and non-sustained ventricular tachycardia. Sustained ventricular tachycardia and ventricular fibrillation were induced in an electrophysiological study. Although the patient was eligible for treatment with a dual chamber implantable cardioverter defibrillator (ICD), venography revealed lack of the right superior vena cava (R-SVC).
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-10-21
      DOI: 10.1016/j.joa.2014.09.003
       
  • Spatial and temporal variability of the complex fractionated atrial
           electrogram activity and dominant frequency in human atrial fibrillation
    • Authors: Rikitake Kogawa; Yasuo Okumura, Ichiro Watanabe, Masayoshi Kofune, Koichi Nagashima, Hiroaki Mano, Kazumasa Sonoda, Naoko Sasaki, Kimie Ohkubo, Toshiko Nakai, Atsushi Hirayama
      Abstract: The presence of complex fractionated atrial electrograms (CFAEs) and high dominant frequencies (DFs) during atrial fibrillation (AF) have been demonstrated to be related to AF maintenance. Therefore, sequential mapping of CFAEs and DFs have been used for target sites of AF ablation. However, such mapping strategies are valid only if the CFAEs and DFs are spatiotemporally stable during the mapping procedure. We obtained spatially stable multi-electrode recordings to assess the spatiotemporal stability of CFAEs and DFs.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-09-25
      DOI: 10.1016/j.joa.2014.08.004
       
  • Evaluation of defibrillation safety and shock reduction in implantable
           cardioverter-defibrillator patients with increased time to detection: A
           randomized SANKS study
    • Authors: Mahito Noro; Xin Zhu, Takahito Takagi, Naohiko Sahara, Yuriko Narabayashi, Hikari Hashimoto, Naoshi Ito, Yoshinari Enomoto, Shingo Kujime, Tuyoshi Sakai, Takao Sakata, Noriko Matushita, Seiji Fukamizu, Yoshifumi Okano, Yoshiaki Anami, Tomoyuki Tejima, Kouji Kuroiwa, Takanori Ikeda, Harumizu Sakurada, Kaoru Sugi
      Abstract: The need for ways to minimize the number of implantable cardioverter-defibrillator (ICD) shocks is increasing owing to the risk of its adverse effects on life expectancy. Studies have shown that a longer detection time for ventricular tachyarrhythmia reduces the safety of therapies, in terms of syncope and mortality, but not substantially in terms of the success rate. We aimed to evaluate the effects of increased number of intervals to detect (NID) VF on the safety of ICD shock therapy and on the reduction of inappropriate shocks.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-09-25
      DOI: 10.1016/j.joa.2014.08.003
       
  • Magnetic resonance imaging of the left atrial appendage post pulmonary
           vein isolation: Implications for percutaneous left atrial appendage
           occlusion
    • Authors: Sheldon M. Singh; Laura Jimenez-Juan, Asaf Danon, Gorka Bastarrika, Andriy V. Shmatukha, Graham A. Wright, Eugene Crystal
      Abstract: There is increasing interest in performing left atrial appendage (LAA) occlusion at the time of atrial fibrillation (AF) ablation procedures. However, to date there has been no description of the acute changes to the LAA immediately following pulmonary vein (PV) isolation and additional left atrium (LA) substrate modification. This study assessed changes in the size and tissue characteristics of the LAA ostium in patients undergoing PV isolation.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-09-23
      DOI: 10.1016/j.joa.2014.08.005
       
  • QRS–ST–T triangulation with repolarization shortening as a
           precursor of sustained ventricular tachycardia during acute myocardial
           ischemia
    • Authors: Velislav N. Batchvarov; Elijah R. Behr
      Abstract: We present segments from a 24-hour 12-lead digital Holter recording in a 48-year-old man demonstrating transient ST elevations in the inferior leads that triggered sustained ventricular tachycardia/ventricular fibrillation (VT/VF) requiring cardioversion. The onset of VT was preceded by a gradual increase in the ST with marked QRS broadening that lacked distinction between the end of the QRS and the beginning of the ST (QRS–ST–T “triangulation”), and shortening of the QT interval not caused by an increased heart rate.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-09-20
      DOI: 10.1016/j.joa.2014.08.006
       
  • Recurrence of atrial fibrillation within three months after pulmonary vein
           isolation for patients with paroxysmal atrial fibrillation: Analysis using
           external loop recorder with auto-trigger function
    • Authors: Shiro Kawasaki; Kaoru Tanno, Akinori Ochi, Koichiro Inokuchi, Yuta Chiba, Yoshimi Onishi, Yoshimasa Onuma, Yumi Munetsugu, Miwa Kikuchi, Hiroyuki Ito, Tatsuya Onuki, Fumito Miyoshi, Yoshino Minoura, Norikazu Watanabe, Taro Adachi, Taku Asano, Youichi Kobayashi
      Abstract: Pulmonary vein isolation (PVI) via catheter ablation has been shown to be a highly effective treatment option for patients with symptomatic paroxysmal atrial fibrillation (AF). The recurrence of AF within 3 months after PVI is not considered to be the result of ablation procedure failure, because early recurrence of AF is not always associated with late recurrence. We examined the usefulness of an external loop recorder with an auto-trigger function (ELR-AUTO) for the detection of atrial fibrillation following PVI to characterize early recurrence and to determine the implications of AF occurrence within 3 months after PVI.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-09-20
      DOI: 10.1016/j.joa.2014.08.002
       
  • Japan Implantable Devices in Coronary Artery Disease (JID-CAD) study
           design
    • Authors: Akihiko Shimizu; Takeshi Mitsuhashi, Takashi Nitta, Hideo Mitamura, Takashi Kurita, Haruhiko Abe, Yuji Nakazato, Naokata Sumitomo, Kazushige Kadota, Kazuo Kimura, Ken Okumura, the Committee for Implantable Devices Enrollment Assessment in the Japanese Heart Rhythm Society
      Abstract: There is little information regarding appropriate therapies for coronary artery disease (CAD) patients with implantable devices – such as implantable cardioverter-defibrillators (ICDs), cardiac resynchronization therapy devices (CRT-Ds) and cardiac resynchronization therapy pacemaker (CRT-P) devices – in Japan. To address this lack of information, we have launched the Japan Implantable Devices in Coronary Artery Disease (JID-CAD) study.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-09-14
      DOI: 10.1016/j.joa.2014.07.005
       
  • Clinical course of a case of variant angina treated with a pacemaker for
           cardiopulmonary arrest due to complete atrioventricular block and
           pulseless electrical activity
    • Authors: Yuichiro Yamada; Kazuho Kamishima, Hirotaka Kawarai, Shoji Haruta
      Abstract: In the Journal of Arrhythmia, we previously reported the case of a 55-year-old woman with variant angina who was implanted with a pacemaker to treat cardiopulmonary arrest due to complete atrioventricular block and pulseless electrical activity [1]. In this report, we follow the clinical outcome of the pacemaker implantation in this patient. Upon implantation, we simulated the proper and effective response of the pacemaker to prepare for the possibility that the patient might encounter coronary ischemia-induced bradycardia.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-09-14
      DOI: 10.1016/j.joa.2014.06.003
       
  • Premature ventricular beats initiate recurrent ventricular fibrillation in
           early repolarization syndrome
    • Authors: Nauman Ahmed; Antonio Frontera, Edward Duncan, Glyn Thomas
      Abstract: An early repolarization (ER) pattern on electrocardiography was historically considered a benign finding; however, this finding in the inferior and lateral leads has recently been associated with idiopathic ventricular fibrillation (VF). Here we describe a case of a 29-year-old man with an ER pattern, who experienced recurrent implantable cardioverter-defibrillator (ICD) shocks for ventricular tachycardia (VT) and VF. An ICD interrogation demonstrated how VF and VT were repeatedly initiated by closely coupled premature ventricular beats.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-08-28
      DOI: 10.1016/j.joa.2014.07.001
       
  • Oral direct renin inhibitor aliskiren reduces oxidative stress and serum
           matrix metalloproteinase-2 levels in patients with permanent atrial
           fibrillation
    • Authors: Yoshizumi Takei; Minoru Ichikawa, Yoshiyuki Kijima
      Abstract: We aimed to determine the effects of the oral direct renin inhibitor aliskiren on in vivo oxidative stress in atrial fibrillation (AF) patients. In this study, 150mg oral direct renin inhibitor aliskiren was administered once daily to 12 permanent AF patients. Aliskiren significantly reduced urinary excretion of the oxidative stress biomarker 8-iso-prostglandin F2α and serum levels of matrix metalloproteinase-2(MMP-2). We concluded that aliskiren reduces in vivo oxidative stress and serum MMP-2 levels in patients with permanent AF.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-08-26
      DOI: 10.1016/j.joa.2014.07.002
       
  • Is it a typical crosstalk: Need for re-implantation?
    • Authors: Zeynettin Kaya; Kursat Akbuga, Alpay Aribas, Ilknur Can
      Abstract: With constantly evolving technology and an ever-increasing number of patients with pacemakers, clinicians will encounter various pacemaker malfunctions in their practice. While some of these issues can be solved even by using only the pacemaker׳s mode settings, others require re-intervention; neglecting a pacemaker׳s malfunction without full investigation threatens the patient׳s life. In this report, we describe a patient with a dual-chamber pacemaker with neglected or unresolved dyssynchronization that occurred 2 years after implantation.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-08-26
      DOI: 10.1016/j.joa.2014.07.004
       
  • Enlargement of the left atrium is associated with increased infiltration
           of immune cells in patients with atrial fibrillation who had undergone
           surgery
    • Authors: Takeshi Yamashita; Akiko Sekiguchi, Shinya Suzuki, Takayuki Ohtsuka, Koichi Sagara, Hiroaki Tanabe, Takashi Kunihara, Hitoshi Sawada, Tadanori Aizawa
      Abstract: Enlargement of the left atrium (LA) is a risk factor of atrial fibrillation (AF) recurrence after pharmacological and nonpharmacological interventions for AF. However, structural changes associated with LA enlargement have not been fully elucidated.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-08-23
      DOI: 10.1016/j.joa.2014.07.003
       
  • Serum phosphate levels reflect responses to cardiac resynchronization
           therapy in chronic heart failure patients
    • Authors: Yoshiyuki Kamiyama; Hitoshi Suzuki, Shinya Yamada, Takashi Kaneshiro, Yasuchika Takeishi
      Abstract: Recent studies have shown that high levels of serum phosphate are associated with adverse cardiovascular events. However, little is known about the relation between phosphate levels and improvement of cardiac function in chronic heart failure (CHF) patients who underwent cardiac resynchronization therapy (CRT). The purpose of this study was to examine whether serum phosphate levels were able to predict responders to CRT and adverse cardiac events.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-08-20
      DOI: 10.1016/j.joa.2014.06.006
       
  • Left atrial anomalous muscular band detected by computed tomography before
           catheter ablation in a patient with atrial fibrillation
    • Authors: Katsunori Okajima; Kimitake Imamura, Gaku Kanda, Akira Shimane
      Abstract: A 65-year-old man was referred to our hospital with persistent atrial fibrillation (AF). Before the ablation procedure, 3-dimensional computed tomography revealed a left atrial anomalous muscular band connecting the posterior side of the left atrial roof and the right edge of the fossa ovalis. During the first ablation procedure, the band interfered with the manipulation of the catheter, resulting in only the left pulmonary vein (PV) being isolated. However, AF recurred. During the second procedure, careful catheter manipulation permitted complete right PV isolation, after which, the patient has not had AF recurrence for more than 3 years.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-08-07
      DOI: 10.1016/j.joa.2014.06.004
       
  • Visualizing radiofrequency lesions using delayed-enhancement magnetic
           resonance imaging in patients with atrial fibrillation: A modification of
           the method used by the University of Utah group
    • Authors: Kunihiko Kiuchi; Katsunori Okajima, Akira Shimane, Kiminobu Yokoi, Jin Teranishi, Kousuke Aoki, Misato Chimura, Hideo Tsubata, Taishi Miyata, Yuuki Matsuoka, Takayoshi Toba, Shogo Ohishi, Takahiro Sawada, Yasue Tsukishiro, Tetsuari Onishi, Seiichi Kobayashi, Shinichiro Yamada, Yasuyo Taniguchi, Yoshinori Yasaka, Hiroya Kawai, Kazushi Ikeuchi, Yutaka Shigenaga, Takayuki Ikeda
      Abstract: Atrial tissue fibrosis has previously been identified using delayed-enhancement MRI (DE-MRI) in patients with atrial fibrillation (AF). Although the clinical importance of DE-MRI is well recognized, the visualization of atrial fibrosis and radiofrequency (RF) lesions has still not been achieved in Japan, primarily because of the differences in contrast agents, volume-rendering tools, and technical experience. The objective of this study was to visualize RF lesions by using commercially available tools.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-08-07
      DOI: 10.1016/j.joa.2014.06.005
       
  • A case of short-coupled premature ventricular beat-induced ventricular
           fibrillation with early repolarization in the inferolateral leads
    • Authors: Hidekazu Kondo; Tetsuji Shinohara, Naohiko Takahashi
      Abstract: This case report describes a 19-year-old man with early repolarization (ER) in the inferolateral leads and a normal QT interval who survived a cardiac arrest that was likely related to polymorphic ventricular tachycardia (VT). Electrocardiograms (ECGs) also showed unifocal premature ventricular beats (PVBs) with a relatively narrow QRS duration. A Holter ECG documented occasional short-coupled PVBs following non-sustained VTs. Pharmacological stress testing was also performed to assess the effects of anti-arrhythmic drugs on ER (the J wave) and PVBs.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-08-01
      DOI: 10.1016/j.joa.2014.06.002
       
  • Nationwide survey of catheter ablation for atrial fibrillation: The
           Japanese catheter ablation registry of atrial fibrillation
           (J-CARAF)–A report on periprocedural oral anticoagulants
    • Authors: Yuji Murakawa; Akihiko Nogami, Morio Shoda, Koichi Inoue, Shigeto Naito, Koichiro Kumagai, Yasushi Miyauchi, Teiichi Yamane, Norishige Morita, Hideo Mitamura, Ken Okumura, on behalf of the Japanese Heart Rhythm Society׳s members
      Abstract: Catheter ablation has become an established therapy for the treatment of atrial fibrillation (AF). To obtain a perspective on the current status of this therapy in Japan, the Japanese Heart Rhythm Society (JHRS) conducted a nationwide survey, the Japanese Catheter Ablation Registry of Atrial Fibrillation (J-CARAF). In this study, we focused on whether periprocedural use of novel oral anticoagulants (NOACs) was related with excessive thromboembolic or bleeding complications.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-07-05
      DOI: 10.1016/j.joa.2014.05.003
       
  • Long-term outcomes of catheter ablation of ventricular tachycardia in
           patients with structural heart disease
    • Authors: Masahiko Goya; Masato Fukunaga, Ken-ichi Hiroshima, Kentaro Hayashi, Yu Makihara, Michio Nagashima, Yoshimori An, Seiji Ohe, Kennosuke Yamashita, Kenji Ando, Hiroyoshi Yokoi, Masashi Iwabuchi, Kouji Katayama, Tomoaki Ito, Harushi Niu
      Abstract: Catheter ablation of ventricular tachycardia (VT) is feasible. However, the long-term outcomes for different underlying diseases have not been well defined.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-07-03
      DOI: 10.1016/j.joa.2014.06.001
       
  • Measurement of the ventriculoatrial interval from the coronary sinus
           during para-Hisian pacing may fail to distinguish ventriculoatrial nodal
           conduction from conduction over a septal accessory pathway
    • Authors: Takafumi Iijima; Yoshiaki Kaneko, Tadashi Nakajima, Tadanobu Irie, Masaki Ota, Akihiro Saito, Masahiko Kurabayashi
      Abstract: Para-Hisian pacing (PHP) helps differentiate retrograde conduction over an accessory pathway (AP) from retrograde conduction over the atrioventricular (AV) node. This study examined a potential limitation of this technique, focusing on the measurement of the ventriculoatrial (V–A) interval from the coronary sinus (CS) during PHP.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-07-03
      DOI: 10.1016/j.joa.2014.05.005
       
  • A case of cardiac sarcoidosis presenting with double tachycardia
    • Authors: Keiko Takahashi; Yasuo Okumura, Ichiro Watanabe, Koichi Nagashima, Hiroaki Mano, Kazumasa Sonoda, Rikitake Kogawa, Naoko Sasaki, Kazuki Iso, Kimie Okubo, Toshiko Nakai, Atsushi Hirayama
      Abstract: Although the most feared cardiac manifestation in cardiac sarcoidosis is the onset of ventricular arrhythmia, some patients may present with supraventricular arrhythmias. We present a rare case of cardiac sarcoidosis associated with double tachycardia manifesting as atrial flutter and ventricular tachycardia.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-06-27
      DOI: 10.1016/j.joa.2014.05.004
       
  • Incidence of esophageal injury after pulmonary vein isolation in patients
           with a low body mass index and esophageal temperature monitoring at a
           39°C setting
    • Authors: Kunihiko Kiuchi; Katsunori Okajima, Akira Shimane, Gaku Kanda, Kiminobu Yokoi, Jin Teranishi, Kousuke Aoki, Misato Chimura, Hideo Tsubata, Taishi Miyata, Yuuki Matsuoka, Takayoshi Toba, Shogo Ohishi, Takahiro Sawada, Yasue Tsukishiro, Tetsuari Onishi, Seiichi Kobayashi, Yasuyo Taniguchi, Shinichiro Yamada, Yoshinori Yasaka, Hiroya Kawai, Takashi Harada, Masato Ohsawa, Yasutomo Azumi, Mitsuharu Nakamoto
      Abstract: Esophageal injury following catheter ablation of atrial fibrillation (AF) is reported to occur in 35% of patients. Even with a low energy setting (20–25W), lesions develop in 10% of patients. Body mass index (BMI) has been reported to be a predictor of esophageal injury, indicating that patients with a low BMI (
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-06-19
      DOI: 10.1016/j.joa.2014.05.002
       
  • Relation between frequency of activated partial prothrombin time
           measurements and clinical outcomes in patients after initiation of
           dabigatran: A two-center cooperative study
    • Authors: Takeshi Yamashita; Shigeo Horinaka, Noritaka Matsuhashi, Naoko Suzuki, Shinya Suzuki, Takayuki Ohtsuka, Kouichi Sagara
      Abstract: Although activated partial prothrombin time (aPTT) has often been used as a biomarker for evaluating the safety of dabigatran use in patients with non-valvular atrial fibrillation (NVAF), the optimal frequency of aPTT measurements is unclear. This study aimed to identify the frequency distribution of aPTT measurements in clinical practice and its clinical significance.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-06-16
      DOI: 10.1016/j.joa.2014.05.001
       
  • Right atrial tachycardia with 2:1 intra-atrial conduction
    • Authors: Masayoshi Kofune; Ichiro Watanabe, Yasuo Okumura
      Abstract: In a case of atrial tachycardia (AT) originating from the inferolateral right atrium, cycle length (CL) alternans was observed. Conduction at the longer CL was to the high right atrium (HRA), His bundle electrogram region (HBE), and coronary sinus (CS). Conduction at the shorter CL was to the HRA, with that to the HBE and CS blocked.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-06-07
      DOI: 10.1016/j.joa.2014.04.008
       
  • The optimal setting of complex fractionated atrial electrogram software in
           substrate ablation for atrial fibrillation
    • Authors: Fuminori Namino; Yasuhisa Iriki, Ryuichi Maenosono, Hitoshi Ichiki, Hideki Okui, Akino Yoshimura, Naoya Oketani, Masakaze Matsushita, Mitsuru Ohishi, Teruto Hashiguchi
      Abstract: Complex fractionated atrial electrogram (CFAE)-targeted catheter ablation (CFAE ablation) requires a high rate of atrial fibrillation (AF) termination to provide good outcomes. We determined the optimal settings of CFAE software.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-06-04
      DOI: 10.1016/j.joa.2014.04.006
       
  • A young patient with atypical type-B Wolff–Parkinson–White
           syndrome accompanied by left ventricular dysfunction
    • Authors: Takahiro Takeuchi; Takeshi Tomita, Hiroki Kasai, Daisuke Kashiwagi, Koji Yoshie, Tomonori Yaguchi, Yasutaka Oguchi, Ayako Kozuka, Milan Gautam, Hirohiko Motoki, Ayako Okada, Yuji Shiba, Kazunori Aizawa, Atsushi Izawa, Yusuke Miyashita, Jun Koyama, Minoru Hongo, Uichi Ikeda
      Abstract: A 15-year-old asymptomatic male patient presented with an electrocardiographic abnormality and left ventricular (LV) dysfunction (left ventricle ejection fraction of 40%) in a physical examination performed 2 years previously. LV dysfunction did not improve despite optimal medical therapy for dilated cardiomyopathy. Twelve-lead electrocardiography revealed a normal PR interval (138ms) with a small delta-like wave in V2, but not a typical diagnostic wave that could be diagnosed as Wolff–Parkinson–White (WPW) syndrome by an electrocardiogram auto-analysis.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-05-08
      DOI: 10.1016/j.joa.2014.03.011
       
  • Prominent J-wave and T-wave alternans associated with mechanical alternans
           in a patient with takotsubo cardiomyopathy
    • Authors: Rintaro Hojo; Seiji Fukamizu, Takeshi Kitamura, Kota Komiyama, Yasuhiro Tanabe, Tamotsu Tejima, Mitsuhiro Nishizaki, Harumizu Sakurada, Masayasu Hiraoka
      Abstract: A 74-year-old woman with takotsubo cardiomyopathy developed polymorphic ventricular tachycardia during the acute phase. She exhibited prominent J-wave and T-wave alternans preceding ventricular tachycardia. These abnormalities disappeared after recovery from myocardial stunning.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-05-07
      DOI: 10.1016/j.joa.2014.03.008
       
  • Late onset interstitial pneumonia induced by bepridil: A case report
    • Authors: Manabu Matsumoto; Masanobu Ohga, Shumpo Uemura
      Abstract: A 63-year-old man was prescribed bepridil for paroxysmal atrial fibrillation in May 2011. He was referred to our hospital with the chief complaint of slight dyspnea in October 2012. Radiography and computed tomography indicated diffuse bilateral peribronchial infiltration. Since an examination of the bronchial alveolar lavage fluid revealed inflammatory lymphocytes and a drug lymphocyte stimulation test was strongly positive for bepridil, he was diagnosed with bepridil-induced interstitial pneumonia.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-04-30
      DOI: 10.1016/j.joa.2014.03.007
       
  • Effect of intravenous amiodarone on QT and T peak–T end dispersions
           in patients with nonischemic heart failure treated with cardiac
           resynchronization-defibrillator therapy and electrical storm
    • Authors: Masataka Ogiso; Atsushi Suzuki, Tsuyoshi Shiga, Kenji Nakai, Morio Shoda, Nobuhisa Hagiwara
      Abstract: The effect of intravenous amiodarone on spatial and transmural dispersion of ventricular repolarization in patients receiving cardiac resynchronization therapy (CRT) remains unclear.
      Citation: Journal of Arrhythmia (2014)
      PubDate: 2014-04-07
      DOI: 10.1016/j.joa.2014.01.006
       
  • WITHDRAWN: “Heparin bridging” increases the risk of bleeding
           complications in patients with prosthetic devices and receiving
           anticoagulation therapy
    • Authors: Ryudo Fujiwara; Akihiro Yoshida, Asumi Takei, Koji Fukuzawa, Kaoru Takami, Mitsuru Takami, Satoko Tanaka, Mitsuaki Ito, Kimitake Imamura, Ken-ichi Hirata
      Abstract: The Publisher regrets that this article is an accidental duplication of an article that has already been published, 10.1016/j.joa.2011.11.003The duplicate article has therefore been withdrawn.
      Citation: Journal of Arrhythmia (2012)
      PubDate: 2012-06-04
      DOI: 10.1016/j.joa.2011.11.003
       
 
 
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