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Journal Cover Journal of Arrhythmia
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  This is an Open Access Journal Open Access journal
   ISSN (Print) 1880-4276 - ISSN (Online) 1883-2148
   Published by Elsevier Homepage  [3118 journals]
  • Ventricular arrhythmias in non-ischemic cardiomyopathy

    • Authors: Fa-Po Chung; Chin-Yu Lin, Yenn-Jiang Lin, Shih-Lin Chang, Li-Wei Lo, Yu-Feng Hu, Ta-Chuan Tuan, Tze-Fan Chao, Jo-Nan Liao, Yao-Ting Chang, Ting-Yung Chang, Chung-Hsing Lin, Abigail Louise D. Te, Shinya Yamada, Shih-Ann Chen
      Abstract: Non-ischemic cardiomyopathies (NICMs) are composed of variable disease entities, including primary and secondary cardiomyopathies. Determining the etiology of NICM provides pivotal roles of not only the understanding of the individual pathogenesis, but also the clinical management, such as risk stratification, pharmacological treatment, and intervention therapies. Despite the diverse causes of NICM, these cases mostly require clinical attention owing to progressive myocardial injury, resulting in ventricular dysfunction and heart failure.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-06
      DOI: 10.1016/j.joa.2017.08.003
  • Ventricular arrhythmias in patients with Takotsubo syndrome

    • Authors: Christian Möller; Charlotte Eitel, Holger Thiele, Ingo Eitel, Thomas Stiermaier
      Abstract: Takotsubo syndrome (TTS) is a unique non-ischemic cardiac disease characterized by acute myocardial dysfunction of the left and/or right ventricle. Patients are predominantly postmenopausal women and usually present with symptoms indistinguishable from acute coronary syndrome. Although the exact pathomechanisms of TTS remain elusive, increasing evidence suggests that sympathetic overdrive and catecholamine excess might play a central role. Despite complete recovery of ventricular dysfunction within several days to weeks, TTS patients exhibit considerable short- and long-term mortality rates and ventricular arrhythmias have been identified as key contributor to morbidity and mortality.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-04
      DOI: 10.1016/j.joa.2017.07.006
  • WITHDRAWN: 2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on
           catheter and surgical ablation of atrial fibrillation

    • Authors: Hugh Calkins; Gerhard Hindricks, Riccardo Cappato, Young-Hoon Kim, Eduardo B. Saad, Luis Aguinaga, Joseph G. Akar, Vinay Badhwar, Josep Brugada, John Camm, Peng-Sheng Chen, Shih-Ann Chen, Mina K. Chung, Jens Cosedis Nielsen, Anne B. Curtis, D. Wyn Davies, John D. Day, André d’Avila, N.M.S. (Natasja) deGroot, Luigi Di Biase, Mattias Duytschaever, James R. Edgerton, Kenneth A. Ellenbogen, Patrick T. Ellinor, Sabine Ernst, Guilherme Fenelon, Edward P. Gerstenfeld, David E. Haines, Michel Haissaguerre, Robert H. Helm, Elaine Hylek, Warren M. Jackman, Jose Jalife, Jonathan M. Kalman, Josef Kautzner, Hans Kottkamp, Karl Heinz Kuck, Koichiro Kumagai, Richard Lee, Thorsten Lewalter, Bruce D. Lindsay, Laurent Macle, Moussa Mansour, Francis E. Marchlinski, Gregory F. Michaud, Hiroshi Nakagawa, Andrea Natale, Stanley Nattel, Ken Okumura, Douglas Packer, Evgeny Pokushalov, Matthew R. Reynolds, Prashanthan Sanders, Mauricio Scanavacca, Richard Schilling, Claudio Tondo, Hsuan-Ming Tsao, Atul Verma, David J. Wilber, Teiichi Yamane
      Abstract: Available online 12 May 2017
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-01
      DOI: 10.1016/j.joa.2017.07.001
  • Syncope and the risk of sudden cardiac death: Evaluation, management, and

    • Authors: Ryan J. Koene; Wayne O. Adkisson, David G. Benditt
      First page: 533
      Abstract: Syncope is a clinical syndrome defined as a relatively brief self-limited transient loss of consciousness (TLOC) caused by a period of inadequate cerebral nutrient flow. Most often the trigger is an abrupt drop of systemic blood pressure. True syncope must be distinguished from other common non-syncope conditions in which real or apparent TLOC may occur such as seizures, concussions, or accidental falls. The causes of syncope are diverse, but in most instances, are relatively benign (e.g., reflex and orthostatic faints) with the main risks being accidents and/or injury.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-01
      DOI: 10.1016/j.joa.2017.07.005
  • Reflex syncope: Diagnosis and treatment

    • Authors: Richard Sutton
      First page: 545
      Abstract: For the diagnosis of reflex syncope, diligent history-building with the patient and a witness is required. In the Emergency Department (ED), the assessment of syncope is a challenge which may be addressed by an ED Observation Unit or by a referral to a Syncope Unit. Hospital admission is necessary for those with life-threatening cardiac conditions although risk stratification remains an unsolved problem. Other patients may be investigated with less urgency by carotid sinus massage (>40 years), tilt testing, and electrocardiogram loop recorder insertion resulting in a clear cause for syncope.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-05-17
      DOI: 10.1016/j.joa.2017.03.007
  • Life-threatening arrhythmias leading to syncope in patients with
           vasospastic angina

    • Authors: Mitsuhiro Nishizaki
      First page: 553
      Abstract: The coronary artery diseases (CAD) that can lead to the occurrence of a syncopal attack include acute coronary syndrome, vasospastic angina, effort angina, and prior myocardial infarction. The possible mechanisms considered to lead to syncope in patients with CAD are pump failure, tachyarrhythmia, bradycardia, and vagal stimulation. Coronary artery spasm, in particular, is occasionally observed in patients with unexplained syncope in Japan. Life-threatening arrhythmias are among the most serious complications of an ischemic attack caused by coronary spasm, and are associated with an increased risk of syncope and/or sudden cardiac death (SCD).
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-05-10
      DOI: 10.1016/j.joa.2017.04.006
  • Syncope and paroxysmal atrioventricular block

    • Authors: Milena Aste; Michele Brignole
      First page: 562
      Abstract: Current literature reveals three types of paroxysmal atrioventricular block (AVB) that can cause syncope:Intrinsic paroxysmal atrioventricular block is due to an intrinsic disease of the AV conduction system; this type of “cardiac syncope” is also called Stokes-Adams attack;Extrinsic vagal paroxysmal atrioventricular block is linked to the effect of the parasympathetic nervous system on cardiac conduction and is one of the mechanisms involved in “reflex syncope.”Extrinsic idiopathic paroxysmal atrioventricular block is associated with low levels of endogenous adenosine and is supposed to be one of the mechanisms involved in “low-adenosine syncope.”These three types of paroxysmal AVB present different clinical and electrocardiographic features.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-05-08
      DOI: 10.1016/j.joa.2017.03.008
  • Role of head-up tilt table testing in patients with syncope or transient
           loss of consciousness

    • Authors: Toshiyuki Furukawa
      First page: 568
      Abstract: The tilt table test (TTT) is a useful method for the management of reflex syncope. However, the TTT is incomplete and has several problems. The indications for this test are established using guidelines. The TTT is not suitable for all syncopal patients. It is currently unclear (1) When should the TTT be used, (2) for which types of patients TTT should be performed, and (3) does the TTT provide useful information to guide indication for pacing therapy for reflex syncope. The answers to these questions appear in recent reports from two guidelines published by the European Society of Cardiology and the Japan Circulation Society.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-06
      DOI: 10.1016/j.joa.2017.08.002
  • Syncope in patients with inherited arrhythmias

    • Authors: Yukiko Nakano; Shimizu Wataru
      First page: 572
      Abstract: Syncope, a common symptom of cerebral ischemia often shows a multifactorial etiopathogenesis. Although inherited arrhythmias causing syncope is uncommon, such an occurrence could be a warning sign preceding cardiac arrest. Long QT syndrome (LQTS) is a typical inherited arrhythmia causing syncope in children. Early diagnosis and treatment of LQTS using beta-blockers prevents recurrent syncope in LQTS. Brugada syndrome, another typical inherited arrhythmia causes syncope or sudden cardiac arrest in young individuals.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-10-06
      DOI: 10.1016/j.joa.2017.07.007
  • Use of implantable and external loop recorders in syncope with unknown

    • Authors: Kaoru Tanno
      First page: 579
      Abstract: The gold standard for diagnosing syncope is to elucidate the symptom-electrocardiogram (ECG) correlation. The ECG recordings during syncope allow physicians to either confirm or exclude an arrhythmia as the mechanism of syncope. Many studies have investigated the use of internal loop recorder (ILR), while few studies have used external loop recorder (ELR) for patients with unexplained syncope. The aim of this review is to clarify the clinical usefulness of ILR and ELR in the diagnosis and management of patients with unexplained syncope.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-05-11
      DOI: 10.1016/j.joa.2017.03.006
  • Ambulatory electrocardiogram monitoring devices for evaluating transient
           loss of consciousness or other related symptoms

    • Authors: Ritsuko Kohno; Haruhiko Abe, David G. Benditt
      First page: 583
      Abstract: Capturing electrocardiograms (ECGs) during spontaneous events is the most powerful available tool to identify or exclude an arrhythmic cause of symptoms, and often can elucidate the definite diagnosis for different conditions, such as transient loss of consciousness (T-LOC), lightheadedness, or palpitations. Current ambulatory ECG monitoring technologies include 24-hour Holter, wearable event recorder, external loop recorder (ELR), and insertable cardiac monitoring (ICM). Of them, Holter ECG is most frequently used in daily practice in Japan, while ELR and ICM are less frequently used.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-06-29
      DOI: 10.1016/j.joa.2017.04.012
  • Driving restrictions for patients with reflex syncope

    • Authors: Masataka Sumiyoshi
      First page: 590
      Abstract: Reflex syncope is the most common form of syncope that occurs while driving. The 2014 revision of Japanese Road Traffic Laws placed stricter driving restrictions, along with some associated legal penalties, on individuals with recurrent syncope. “Recurrent syncope” is defined as the occurrence of more than two episodes of syncope over a period of 5 years. No restrictions are recommended for private drivers unless they experience syncope without a reliable prodrome while driving or sitting. For commercial drivers, a driving restriction is recommended unless the efficacy of treatment can be confirmed.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-05-17
      DOI: 10.1016/j.joa.2017.03.009
  • Driving restrictions in patients with implantable cardioverter
           defibrillators and pacemakers

    • Authors: Eiichi Watanabe; Haruhiko Abe, Shigeyuki Watanabe
      First page: 594
      Abstract: Implantable cardioverter-defibrillators (ICDs) improve the survival in patients at risk of sudden cardiac death. However, these patients have an ongoing risk of sudden incapacitation that may cause harm to individuals and others when driving. Considerable disagreement exists about whether and when these patients should be allowed to resume driving after ICD therapies. This information is critical for the management decisions to avoid future potentially lethal incidents and unnecessary restrictions for ICD patients.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-03-28
      DOI: 10.1016/j.joa.2017.02.003
  • Value of adenosine test to reveal dormant conduction or adenosine-induced
           atrial fibrillation after pulmonary vein isolation

    • Authors: Mohammad Iqbal; Anupam Jena, Hee-Soon Park, Yong-Soo Baek, Kwang-No Lee, Seung-Young Roh, Jae-Min Shim, Jong-Il Choi, Young-Hoon Kim
      First page: 602
      Abstract: Recent studies investigating the implications of additional ablation guided by dormant pulmonary vein (PV) conduction testing using adenosine showed conflicting results, and the data about atrial fibrillation (AF) recurrence after trigger site elimination in adenosine-induced AF are still lacking.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-28
      DOI: 10.1016/j.joa.2017.07.015
  • Clinical implications of serum adiponectin on progression of atrial

    • Authors: Naoko Yamaguchi; Yasuo Okumura, Ichiro Watanabe, Koichi Nagashima, Keiko Takahashi, Kazuki Iso, Ryuta Watanabe, Masaru Arai, Sayaka Kurokawa, Kimie Ohkubo, Toshiko Nakai, Atsushi Hirayama
      First page: 608
      Abstract: The association between circulating adiponectin levels and atrial fibrillation (AF) is uncertain. We, therefore, investigated whether an increased serum adiponectin level is implicated in the long-term recurrence of AF after ablation therapy.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-13
      DOI: 10.1016/j.joa.2017.07.009
  • Transesophageal echocardiographic thromboembolic risk is associated with
           smoking status in patients with atrial fibrillation

    • Authors: Kyoko Inao; Tadakazu Hirai, Keiko Nakagawa, Satoshi Numa, Kazumasa Ohara, Nobuyuki Fukuda, Koichiro Kinugawa, Hiroshi Inoue
      First page: 613
      Abstract: Smoking is a risk factor for cardiovascular diseases, but it is unclear whether smoking status, including environmental tobacco smoke, increases stroke risk in patients with atrial fibrillation (AF). Abnormalities of the left atrium (LA) and aortic atherosclerosis, as detected by transesophageal echocardiography (TEE), are risk factors for stroke and thromboembolism in AF patients. We investigated the impact of smoking status on thromboembolic risk by TEE in patients with nonvalvular AF.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-08
      DOI: 10.1016/j.joa.2017.07.012
  • Influence of proton pump inhibitors on blood dabigatran concentrations in
           Japanese patients with non-valvular atrial fibrillation

    • Authors: Tasuku Kuwayama; Hiroyuki Osanai, Masayoshi Ajioka, Kotaro Tokuda, Hirofumi Ohashi, Akihiro Tobe, Tatsuya Yoshida, Tomohiro Masutomi, Takahiro Kambara, Yosuke Inoue, Yoshihito Nakashima, Hiroshi Asano, Kazuyoshi Sakai
      First page: 619
      Abstract: Dabigatran is a direct thrombin inhibitor used to decrease the risk of ischemic stroke in patients with non-valvular atrial fibrillation (NVAF). Its prodrug, dabigatran etexilate (DE) is often co-administrated with a proton pump inhibitor (PPI) because of its adverse effects on the gastrointestinal tract. Drug-drug interactions between DE and PPIs in daily clinical practice have not been fully elucidated.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-09
      DOI: 10.1016/j.joa.2017.07.013
  • Ten-year experience in atenolol use and exercise evaluation in children
           with genetically proven long QT syndrome

    • Authors: Sit-Yee Kwok; Andreas Pflaumer, Sarah-Jane Pantaleo, Erin Date, Mangesh Jadhav, Andrew Mark Davis
      First page: 624
      Abstract: Due to its availability, atenolol is the primary beta-blocker used in Australia for children with long QT syndrome. There is limited data on long-term follow-up of its use.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-09
      DOI: 10.1016/j.joa.2017.08.004
  • Radiofrequency ablation of ventricular premature contraction originating
           from a native coronary cusp after transcatheter aortic valve replacement

    • Authors: Shota Tohoku; Kenichi Hiroshima, Shoichi Kuramitsu, Michio Nagashima, Masato Fukunaga, Yoshimori An, Kenji Ando
      First page: 630
      Abstract: We describe a case of radiofrequency ablation of ventricular premature contraction (VPC) originating from the left ventricular outflow tract after transcatheter aortic valve replacement. The VPC origin was the native aortic valve annulus between the left and right coronary cusps. Radiofrequency ablation was successfully performed by manipulating the ablation catheter from the gap between the sinotubular junction and implanted valve.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-28
      DOI: 10.1016/j.joa.2017.08.006
  • Marshall bundle reentrant atrial tachycardia after the Cox-Maze IV
           procedure: The last barrier of the conduction pathway between the coronary
           sinus and left atrium

    • Authors: Yasushi Wakabayashi; Takekuni Hayashi, Yoshitaka Sugawara, Takeshi Mitsuhashi, Hideo Fujita, Shin-ichi Momomura
      First page: 633
      Abstract: A 74-year-old woman who developed atrial tachycardia following the Cox-Maze IV procedure underwent catheter ablation. The reentrant circuit included the coronary sinus (CS), Marshall bundle (MB), distal MB-left atrial (LA) connection, and anterolateral mitral annulus. The distal MB-LA connection was the last barrier in the conduction pathway between the CS and the left atrium.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-08
      DOI: 10.1016/j.joa.2017.07.010
  • Pacing failure caused by automatic pacing threshold adjustment system

    • Authors: Jun Kishihara; Shinichi Niwano, Hidehira Fukaya, Ryo Nishinarita, Ai Horiguchi, Hironori Nakamura, Tazuru Igarashi, Naruya Ishizue, Tamami Fujiishi, Tomoharu Yoshizawa, Jun Oikawa, Akira Satoh, Masami Murakami, Junya Ako
      First page: 637
      Abstract: Ventricular capture management is an automatic pacing threshold adjustment algorithm that automatically measures pacing threshold through detection of the evoked response after a pacing stimulus. Although it is principally designed to save device battery under the maintenance of the patient׳s safety, we experienced a rare case with serious pacing failure due to a weakness of this algorithm. This pacing failure might be explained by a large variation in the ventricular pacing threshold depending on the atrioventricular interval and daily variation of pacing threshold and concomitant steroid use in this patient.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-10-21
      DOI: 10.1016/j.joa.2017.05.005
  • The details of an unusual “ghost” after transvenous lead extraction:
           Three-dimensional computed tomography analysis

    • Authors: Kunihiko Kiuchi; Koji Fukuzawa, Shumpei Mori, Tatsuya Nishii, Kensuke Matsumoto, Hirotoshi Ichibori, Takashi Yamada
      First page: 640
      Abstract: Transvenous lead extraction (TLE) is performed to prevent deaths in patients with device infections. Intracardiac masses detected by echocardiography, i.e., “ghosts,” are reported in 8% of patients after a TLE in retrospective studies and in 14% in prospective studies. We herein describe a case with unusual ghosts after a TLE. Three-dimensional computed tomography (3DCT) is useful for revealing all the details of unusual ghosts. In this case, the residual silicone insulation and “cast,” including the fibrous sheath and severe calcifications could be visualized and differentiated by 3DCT.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-06
      DOI: 10.1016/j.joa.2017.07.008
  • Complex regional pain syndrome induced by pacemaker implantation for sick
           sinus syndrome

    • Authors: Megumi Kisanuki; Kazumasa Fujita, Shohei Moriyama, Kei Irie, Chiharu Yosida, Mitsuhiro Fukata, Takeshi Arita, Taku Yokoyama, Keita Odashiro, Toru Maruyama, Koichi Akashi
      First page: 643
      Abstract: A 53-year-old woman reported burning pain, muscle weakness, and dysesthesia of the left arm 2 months after permanent pacemaker insertion in the ipsilateral side for the treatment of sick sinus syndrome. Complex regional pain syndrome (CRPS) induced by pacemaker implantation was diagnosed. In 2017, her pulse generator became exhausted and was exchanged carefully to avoid exacerbation of CRPS, under the application of local anesthesia and premedication. Six months later, the patient's grip strength in her left hand remained lower relative to that in her right hand.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-10-02
      DOI: 10.1016/j.joa.2017.08.005
  • Extracardiac compression of the inferolateral branch of the coronary vein
           by the descending aorta in a patient with dilated cardiomyopathy

    • Authors: Hiroki Konishi; Shumpei Mori, Tatsuya Nishii, Yu Izawa, Naoki Tamada, Hidekazu Tanaka, Kunihiko Kiuchi, Koji Fukuzawa, Ken-ichi Hirata
      First page: 646
      Abstract: Extracardiac structures can cause distortion of cardiac anatomy particularly in patients presenting with a significantly dilated heart, and/or thoracic deformities. We present the case of a 69-year-old woman with dilated cardiomyopathy who underwent cardiac resynchronization therapy. Preoperative electrocardiography-gated contrast-enhanced computed tomography revealed the inferolateral wall of her significantly dilated and leftward-rotated heart was close to the descending aorta, and the descending aorta compressed the sandwiched inferolateral branch of the coronary vein.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-10-12
      DOI: 10.1016/j.joa.2017.07.016
  • Cardiac resynchronization therapy via transvenous approach in a 2-year-old
           boy with a complete atrioventricular block after a tetralogy of Fallot

    • Authors: Hisaaki Aoki; Misugi Emi, Noboru Inamura, Shigemitsu Iwai, Futoshi Kayatani
      First page: 649
      Abstract: Cardiac resychronization therapy (CRT) was performed via transvenous approach in a 2-year-old boy with a tetralogy of Fallot and postoperative severe heart failure, and complete atrioventricular block treated with a dual-chamber pacemaker. Epicardial leads were unavailable because of mediastinitis and the presence of severe bilateral pleural effusions requiring continuous drainage. There were no procedural complications. Biventricular pacing was significantly effective and both mediastinitis and pleural effusions recurred.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-09
      DOI: 10.1016/j.joa.2017.07.011
  • Loss of cardiac resynchronization therapy in a patient with a
           biventricular implantable cardioverter-defibrillator

    • Authors: Mohammad Alasti; Karthikeyan Rangasamy, Stewart Healy, David Adam, Emily Kotschet
      First page: 652
      Abstract: Here, we discuss the case of a man with a history of ischemic cardiomyopathy and cardiac resynchronization therapy defibrillator implantation, who presented to emergency department with decompensated heart failure due to the loss of resynchronization therapy. The reason for the malfunction was left ventricle upper rate interval lock-in due to inappropriate programming of the device.
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-30
      DOI: 10.1016/j.joa.2017.08.007
  • Uninterrupted dabigatran is safer than warfarin in patients undergoing
           ablation for atrial fibrillation

    • Authors: Michael Spartalis; Eleni Tzatzaki, MD, PhD, Nikolaos I. Nikiteas, MD, MSc, PhD, Eleftherios Spartalis, MD, MSc, PhD
      First page: 655
      Abstract: We read with great interest the article by Murakawa et al. [1] titled, “Report of periprocedural oral anticoagulants in catheter ablation for atrial fibrillation: The Japanese Catheter Ablation Registry of Atrial Fibrillation (J-CARAF).” The authors concluded that the choice of a novel oral anticoagulant (NOAC) as a periprocedural anticoagulant did not significantly alter the incidence of serious complications, compared with uninterrupted warfarin. However, is this true'
      Citation: Journal of Arrhythmia (2017)
      PubDate: 2017-09-20
      DOI: 10.1016/j.joa.2017.07.014
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