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Journal of Arrhythmia

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https://www.readbyqxmd.com/read/30167022/sixty-eight-year-old-male-with-ischemic-cardiomyopathy-has-this-ekg-finding
#1
Priyank Shah, Edward Koomson
No abstract text is available yet for this article.
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167021/development-of-monomorphic-ventricular-tachycardia-in-a-patient-with-fever-induced-brugada-syndrome
#2
Yuriko Sato, Yoshiyasu Aizawa, Taishi Fujisawa, Shogo Ito, Kousuke Katano, Nozomi Fuse, Akira Miyabe, Kimihiro Osada, Ryuuma Ishihara, Atushi Tosaka, Toshitake Tamamura, Taisuke Mizumura, Youichi Sugimura, Kazuaki Nakajima, Yoshinori Katsumata, Takahiko Nishiyama, Takehiro Kimura, Yoshiko Furukawa, Seiji Takatsuki, Kenjiro Kosaki, Keiichi Fukuda
A 50-year-old woman visited the emergency department with a high fever due to pneumonia. Incessant monomorphic ventricular tachycardia occurred and was terminated by intravenous lidocaine. Her ECG during sinus rhythm demonstrated ST segment elevation suggestive of Brugada syndrome (BS). An intensive examination could not detect any structural disease, and typical coved-type ST elevation was unmasked by a pilsicainide injection leading to a diagnosis of BS. An ICD was implanted for secondary prevention of ventricular arrhythmia...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167020/acute-pulmonary-hemorrhage-during-atrial-fibrillation-hotballoon-ablation
#3
Eitaro Fujii, Satoshi Fujita, Yoshihiko Kagawa, Masaaki Ito
A 64-year-old man with an atrial septal defect was referred for HotBalloon ablation of symptomatic drug-resistant paroxysmal atrial fibrillation. Pulmonary vein (PV) isolation was achieved using a SATAKE HotBalloon ablation system, which was inserted into the left atrium through the deflectable guiding sheath via the atrial septal defect. During ablation of the right superior pulmonary vein carina, the HotBalloon dropped to the left atrium. Hemoptysis and respiratory failure was then observed, and the patient was intubated and controlled under ventilator...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167019/efficacy-and-safety-of-cardioversion-with-continuous-landiolol-infusion-for-atrial-tachyarrhythmia-in-an-inflammatory-state-caused-by-volvulus-in-a-child-with-tarp-syndrome-and-postoperative-tetralogy-of-fallot
#4
Kenji Miyamoto, Junpei Ishii, Hironobu Fukuda, Shinichiro Ariga, Hiroshi Suzumura, Hidemitsu Kurosawa, Toru Kamijima, Takeshi Yamaguchi, Megumi Ogino, Takashi Tsuchioka, Shigemi Yoshihara
A 2-year-old boy was diagnosed with TARP syndrome and underwent surgery for tetralogy of Fallot. He developed fever and had an acute abdomen. After 12 hours, atrial tachyarrhythmia (300 beats/min [bpm]) occurred. After nine administration of adenosine and two cardioversions, it relapsed promptly. Landiolol (10 μg/kg/min) was administered until the heart rate decreased to 270 bpm, and cardioversion was performed until sinus rhythm was normal. Exploratory laparotomy revealed small bowel volvulus. Systemic inflammation causing an acute abdomen may be associated with atrial tachyarrhythmia in postoperative tetralogy of Fallot...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167018/cardiac-arrest-after-ibogaine-intoxication
#5
Christian Steinberg, Marc W Deyell
Ibogaine is a psychoactive herbal medication with alleged antiaddiction properties. We report a case of ibogaine intoxication mimicking Long-QT syndrome resulting in ventricular flutter and nearby cardiac arrest. A 61-year-old man experienced massive QT prolongation and ventricular flutter at a rate of 270 beats per minute requiring defibrillation after ingestion of a large dose of Ibogaine. The ingested dose of 65-70 mg/kg represents the highest survived ibogaine dose reported to date. As a result of the long plasma half-life of ibogaine, it took 7 days for the patient's QT interval to normalize...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167017/stability-of-intrinsic-rhythm-in-pacemaker-dependent-patients-during-pacemaker-replacement-can-we-predict-the-need-for-temporary-pacing
#6
Yuki Kimura, Masataka Sumiyoshi, Kenji Inoue, Masayuki Shiozaki, Kentaro Fukuda, Yasumasa Fujiwara, Haruna Tabuchi, Hidemori Hayashi, Gaku Sekita, Takashi Tokano, Yuji Nakazato, Hiroyuki Daida
Background: In pacemaker-dependent patients, the risk of asystole must be managed during device replacement. This study aimed to examine whether we could predict the indication for temporary pacing (TP) during the generator replacement. Methods: We studied 105 consecutive patients who underwent pacemaker replacement due to battery depletion at Juntendo Nerima Hospital between September 2005 and December 2016. We examined the relationship between the stability of the intrinsic rhythm (IR) during pacemaker replacement and several clinical factors including age, gender, sick sinus syndrome or atrioventricular (AV) block, duration of pacing, structural heart disease, use of anti-arrhythmic drugs, and the presence/absence of a stable IR (>40 bpm) at the outpatient clinic (OPC) just before pacemaker replacement...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167016/quality-of-life-outcomes-in-transcatheter-aortic-valve-replacement-patients-requiring-pacemaker-implantation
#7
Aishwarya Bhardwaj, Tharmathai Ramanan, Abhishek C Sawant, Everett Sinibaldi, Michael Pham, Sahoor Khan, Reema Qureshi, Nikhil Agrawal, Charl Khalil, Rosemary Hansen, Shannon Baldo, Gerald Colern, John Corbelli, Ashish Pershad, Hiroko Beck, Vijay Iyer
Background: Permanent pacemaker implantation is the most common complication after Transcatheter aortic valve replacement (TAVR) and is associated with worse outcomes and mortality. However, its impact on quality-of-life (QoL) outcomes remains unknown. Methods: We included 383 consecutive patients undergoing TAVR from January 2012 to 2016 who completed a baseline Kansas City Cardiomyopathy Questionnaire (KCCQ-12) health survey. The clinical, laboratory, angiographic, QoL, mortality, and occurrence of poor outcomes (KCCQ-12 score < 45 or KCCQ decrease of ≥10 points) were obtained...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167015/influence-of-substrate-modification-in-catheter-ablation-of-atrial-fibrillation-on-the-incidence-of-acute-complications-analysis-of-10-795-procedures-in-j-caraf-study-2011-2016
#8
Yuji Murakawa, Teiichi Yamane, Masahiko Goya, Koichi Inoue, Shigeto Naito, Koichiro Kumagai, Yasushi Miyauchi, Norishige Morita, Akihiko Nogami, Morio Shoda, Ken Okumura, Kenzo Hirao
Background and purpose: In expectation of better outcome of catheter ablation of atrial fibrillation (AF), several strategies of extra-PV (pulmonary vein) substrate modification have been utilized. We assessed whether substrate modification or ablation of extra-PV source is a predictor of complications. Methods: Japanese Heart Rhythm Society requested electrophysiology centers to register the data of patients who underwent AF ablation. Results: The data of 10 795 AF ablation cases (age; 63...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167014/comparison-of-direct-oral-anticoagulants-and-warfarin-regarding-midterm-adverse-events-in-patients-with-atrial-fibrillation-undergoing-catheter-ablation
#9
Yuichiro Sagawa, Yasutoshi Nagata, Tetsuo Yamaguchi, Takamasa Iwai, Junji Yamaguchi, Sadahiro Hijikata, Keita Watanabe, Ryo Masuda, Ryoichi Miyazaki, Naoyuki Miwa, Masahiro Sekigawa, Nobuhiro Hara, Toshihiro Nozato, Kenzo Hirao
Background: Oral anticoagulants, including direct oral anticoagulants (DOACs), are usually required in atrial fibrillation (AF) patients who are at a high risk of thromboembolism (TE), even if they had undergone catheter ablation (CA). Although several studies have reported the safety and efficacy of DOACs around CA in AF patients, there are only limited data regarding the midterm incidence of TE and bleeding complications post-CA among AF patients treated with warfarin or DOACs. Methods: We studied 629 AF patients (mean age: 65...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167013/xanap-a-real-world-prospective-observational-study-of-patients-treated-with-rivaroxaban-for-stroke-prevention-in-atrial-fibrillation-in-asia
#10
Young-Hoon Kim, Jaemin Shim, Chia-Ti Tsai, Chun-Chieh Wang, Gilbert Vilela, Sombat Muengtaweepongsa, Mohammad Kurniawan, Oteh Maskon, Hsu Li Fern, Thang Huy Nguyen, Thititat Thanachartwet, Kenneth Sim, A John Camm
Background: ROCKET AF and its East Asian subanalysis demonstrated that rivaroxaban was non-inferior to warfarin for stroke/systemic embolism (SE) prevention in patients with non-valvular atrial fibrillation (NVAF), with a favorable benefit-risk profile. XANAP investigated the safety and effectiveness of rivaroxaban in routine care in Asia-Pacific. Methods: XANAP was a prospective, real-world, observational study in patients with NVAF newly starting rivaroxaban. Patients were followed at ~3-month intervals for 1 year, or for ≥30 days after permanent discontinuation...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167012/the-deeper-the-pouch-is-the-longer-the-radiofrequency-duration-and-higher-the-radiofrequency-energy-needed-cavotricuspid-isthmus-ablation-using-intracardiac-echocardiography
#11
Yukiko Shimizu, Kazuyasu Yoshitani, Kenta Murotani, Kazuto Kujira, Yuma Kurozumi, Rei Fukuhara, Ryoji Taniguchi, Masanao Toma, Tadashi Miyamoto, Yoshio Kita, Yoshiki Takatsu, Yukihito Sato
Background: The aim of this study was to explore whether the pouch depth influenced the radiofrequency (RF) duration and total delivered RF energy for cavotricuspid isthmus (CTI) ablation and define the cutoff value for a deep pouch-specified ablation strategy. Methods: This study included 94 atrial fibrillation (AF) patients (56 males, age 68 ± 8.0 years). With intracardiac echocardiography, the isthmus length and pouch depth were precisely measured. After a standard AF ablation, all patients underwent the CTI ablation along the lateral isthmus...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167011/a-comparison-of-8-mm-and-open-irrigated-gold-tip-catheters-for-typical-atrial-flutter-ablation-data-from-a-prospective-multicenter-registry
#12
Ermenegildo De Ruvo, Antonio Sagone, Giovanni Rovaris, Procolo Marchese, Matteo Santamaria, Francesco Solimene, Werner Rauhe, Elena Piazzi, Luciano Moretti, Quintino Parisi, Vincenzo Schillaci, Elisa Pelissero, Massimiliano Manfrin, Daniele Giacopelli, Alessio Gargaro, Leonardo Calò, Gaetano Senatore
Background: Cavotricuspid isthmus (CTI) radiofrequency (RF) catheter ablation is the standard treatment for patients suffering from CTI-dependent atrial flutter (AFL). The aim of this study was to compare the use in clinical practice of 8-mm gold-tip catheter (8mmRFC) and open-irrigated gold-tip catheter (irrRFC) for RF typical AFL ablation. Methods: Patients with typical AFL were treated with 8mmRFC or irrRFC catheters according to investigator preferences. The primary endpoint was the cumulative radiofrequency time (CRFT)...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167010/inflammation-and-atrial-fibrillation-a-comprehensive-review
#13
REVIEW
Panagiotis Korantzopoulos, Konstantinos P Letsas, Gary Tse, Nikolaos Fragakis, Christos A Goudis, Tong Liu
Atrial fibrillation (AF) has different underlying substrates. Atrial remodeling involves electrophysiological and structural abnormalities that promote the development and perpetuation of AF. Experimental and clinical data indicate that inflammation is implicated in the pathophysiology of atrial remodeling. The mechanistic links between atrial remodeling and inflammation are complex while diverse underlying diseases and conditions may affect these pathways. Inflammatory markers have also been associated with AF development, recurrence, perpetuation, total AF burden as well as with thromboembolic complications...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167009/clinical-presentations-diagnosis-and-management-of-arrhythmias-associated-with-cardiac-tumors
#14
Shenthar Jayaprakash
Cardiac tumors are a rare cause of arrhythmias in clinical practice. They can cause a broad spectrum of arrhythmias, from low-grade ectopics to incessant ventricular tachycardias, including sudden cardiac arrest. Both primary and secondary cardiac tumors can produce arrhythmias, but not all tumors cause arrhythmias. Although cardiac tumors can cause arrhythmias in fetuses and older adults alike, only specific cardiac tumors are the underlying cause of arrhythmia in different age groups. This article reviews various cardiac tumors that are associated with arrhythmias, their clinical presentations, diagnostic features, and management...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167008/arrhythmia-induced-cardiomyopathy
#15
Hariharan Sugumar, Sandeep Prabhu, Aleksandr Voskoboinik, Peter M Kistler
Arrhythmia induced cardiomyopathies (AIC) refer to the collective condition of Arrhythmia, Tachycardia, and ectopy-induced Cardiomyopathy. Atrial fibrillation (AF) and heart failure (HF) are modern epidemics that often coexist and exacerbate one another. We aim to provide an overview of the current understanding and evidence for treatment and management in AIC with a particular focus on AF-mediated cardiomyopathy and suggest approaches to recognize, screen, and manage AIC.
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167007/ventricular-arrhythmias-in-patients-with-takotsubo-syndrome
#16
Christian Möller, Charlotte Eitel, Holger Thiele, Ingo Eitel, Thomas Stiermaier
Takotsubo syndrome (TTS) is a unique nonischemic 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 the complete recovery of ventricular dysfunction within several days to weeks, patients with TTS exhibit considerable short- and long-term mortality rates and ventricular arrhythmias have been identified as key contributor to morbidity and mortality...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167006/arrhythmogenic-right-ventricular-cardiomyopathy
#17
Yongkeun Cho
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a progressive cardiomyopathy characterized by fibrofatty infiltration of the myocardium, ventricular arrhythmias, sudden death, and heart failure. ARVC may be an important cause of syncope, sudden death, ventricular arrhythmias, and/or wall motion abnormalities, especially in the young. As the first symptom is sudden death or cardiac arrest in many cases, an early diagnosis and risk stratification are important. Recent advances in diagnostic modalities will be helpful in the early diagnosis and proper management of patients at risk...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167005/catheter-ablation-of-ventricular-tachycardia-in-nonischemic-cardiomyopathy
#18
Kenji Okubo, Lorenzo Gigli, Paolo Della Bella
The number of patients with nonischemic cardiomyopathy (NICM) undergoing catheter ablation of ventricular tachycardia (VT) has increased by the years, however, there are no randomized studies of VT ablation in this population. Many studies have reported more mixed or inferior outcome after the ablation in patients with NICM as compared to in those with ischemic cardiomyopathy (ICM)-likely because of the heterogeneous VT substrates in each etiology. While, various ablation strategies for substrate modification in the setting of ICM, including low voltage area ablation, late potential abolition, and local abnormal ventricular activity elimination, have been well established, it is still unknown which ablation strategy is effective for prevention of recurrence VTs in NICM patients...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167004/ventricular-arrhythmias-in-nonischemic-cardiomyopathy
#19
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
Nonischemic 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...
August 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/30167003/ventricular-arrhythmias-in-nonischemic-cardiomyopathy-overview
#20
EDITORIAL
Kengo Kusano
No abstract text is available yet for this article.
August 2018: Journal of Arrhythmia
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