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Paroxysmal atrial fibrillation

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https://www.readbyqxmd.com/read/28807079/syncope-during-competitive-events-interrogating-heart-rate-monitor-watches-may-be-useful
#1
Oscar Thabouillot, Kevin Bostanci, Francois Bouvier, Nicolae Dumitrescu, Maria Stéfuriac, Philippe Paule, Nicolas-Charles Roche
This is a case report of a 45-year-old man who reported complete amnesia during the very first kilometer of a 10-km run. He was wearing a heart rate monitor (HRM). The interrogation of his HRM watch showed 200 bpm tachycardia beginning in the first kilometer and increasing up to 220 bpm during the last kilometer. The patient was asked to wear a Holter-monitor (Holter Research Laboratory; Helena, Montana USA) electrocardiogram (ECG) while practicing a training session. This examination allowed for the diagnosis of an adrenergic paroxysmal atrial fibrillation (AF) with an impressive auriculo-ventricular conduction over 260 bpm...
August 15, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28799449/the-impact-of-the-latest-echocardiographic-chamber-quantification-recommendations-on-the-prediction-of-left-atrial-appendage-thrombus-presence-by-transthoracic-echocardiography
#2
Karolina Kupczynska, Jaroslaw D Kasprzak, Blazej W Michalski, Dawid L Miskowiec, Piotr Lipiec
INTRODUCTION: The latest recommendations for echocardiographic chamber quantification have implemented updated normal values for all cardiac chambers. PURPOSE: To evaluate the incidence of normal and abnormal values of routine echocardiographic parameters such as left ventricular ejection fraction (LVEF) and left atrial volume indexed to body surface area (LAVi) in patients with non-valvular atrial fibrillation (AF) and to determine the influence of LVEF and LAVi reclassification on the prediction of LAAT by transthoracic echocardiography...
August 11, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28798021/progression-from-esophageal-thermal-asymptomatic-lesion-to-perforation-complicating-atrial-fibrillation-ablation-a-single-center-registry
#3
Philipp Halbfass, Borche Pavlov, Patrick Müller, Karin Nentwich, Kai Sonne, Sebastian Barth, Karsten Hamm, Franziska Fochler, Andreas Mügge, Ulrich Lüsebrink, Rainer Kuhn, Thomas Deneke
BACKGROUND: Up to 40% of patients demonstrate endoscopically detected asymptomatic esophageal lesions (EDEL) after atrial fibrillation ablation. METHODS AND RESULTS: Patients undergoing first atrial fibrillation ablation and postinterventional esophageal endoscopy were included in the study. Occurrence of esophageal perforating complications during follow-up was related to documented EDEL (category 1: erythema/erosion; category 2: ulcer). In total, 1802 patients underwent first atrial fibrillation ablation procedure between January 2013 and August 2016 at our institution...
August 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28797355/increasing-prevalence-of-atrial-fibrillation-and-permanent-atrial-arrhythmias-in-congenital-heart-disease
#4
Fabien Labombarda, Robert Hamilton, Azadeh Shohoudi, Jamil Aboulhosn, Craig S Broberg, Marie A Chaix, Scott Cohen, Stephen Cook, Annie Dore, Susan M Fernandes, Anne Fournier, Joseph Kay, Laurent Macle, Blandine Mondésert, François-Pierre Mongeon, Alexander R Opotowsky, Anna Proietti, Lena Rivard, Jennifer Ting, Bernard Thibault, Ali Zaidi, Paul Khairy
BACKGROUND: Atrial arrhythmias are the most common complication encountered in the growing and aging population with congenital heart disease. OBJECTIVES: This study sought to assess the types and patterns of atrial arrhythmias, associated factors, and age-related trends. METHODS: A multicenter cohort study enrolled 482 patients with congenital heart disease and atrial arrhythmias, age 32.0 ± 18.0 years, 45.2% female, from 12 North American centers...
August 15, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28795289/beyond-pulmonary-vein-isolation-the-role-of-additional-sites-in-catheter-ablation-of-atrial-fibrillation
#5
REVIEW
Li-Wei Lo, Yenn-Jiang Lin, Shih-Lin Chang, Yu-Feng Hu, Fa-Po Chung, Shih-Ann Chen
PURPOSE OF REVIEW: Pulmonary vein (PV) isolation is the cornerstone of atrial fibrillation (AF) ablation. However, the long-term procedural outcome remains suboptimal and there is a frequent need for repeat ablation procedure, especially in patients with non-paroxysmal AF. The review article summarizes the rationales, recent evidences, and strategies of ablation of extra-PV sites and its clinical outcomes. RECENT FINDINGS: It is a consensus that durable PV isolations are a definite therapy in patients with paroxysmal AF...
August 9, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28791992/-morphological-features-of-the-myocardium-of-the-atrial-appendages-in-patients-with-different-forms-of-atrial-fibrillation
#6
T V Sukhacheva, V A Vaskovsky, A Sh Revishvili, R A Serov
AIM: to analyze the morphological features of the myocardium of the atrial appendages in patients with different forms of atrial fibrillation (AF) and to compare the findings with the clinical parameters of patients. MATERIAL AND METHODS: Light and electron microscopies were used to examine the myocardium of the atrial appendages in adult patients with paroxysmal (PAF), persistent (PrAF), or long-standing persistent atrial fibrillation (LPAF) and in comparison group patients with sinus rhythm without history of AF...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28791857/antiarrhythmic-properties-of-atrial-pacing
#7
REVIEW
Magdalena Kliś, Agnieszka Sławuta, Jacek Gajek
Bradycardia, atrial stretch and dilatation, autonomic nervous system disorders, and the presence of triggers such as atrial premature contractions, are factors which predispose a person to paroxysmal AF. Atrial pacing not only eliminates bradycardia but also prevents atrial premature contractions and dispersion of refractoriness, which are a substrate for atrial fibrillation. As the prolonged duration of atrial activation during pacing, especially from locations changing the physiological pattern of this activation (right atrium lateral wall, right atrium appendage), negatively influences both a mechanical and an electrical function of the atria, the atrial pacing site affects an atrial arrhythmogenesis...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28780251/convexity-subarachnoid-hemorrhage-due-to-cardioembolic-stroke-in-a-woman-with-thyrotoxicosis-%C3%AE-case-report
#8
Ioanna Spanou, Sophia Vassilopoulou, Eleni Koroboki, Argyro Tountopoulou, Georgios Velonakis, Dimos Dimitrios Mitsikostas
BACKGROUND: Non-traumatic convexity subarachnoid hemorrhage (cSAH) is a rarely reported condition with a wide spectrum of etiologies. Cerebral ischemia secondary to extracranial or intracranial atherosclerotic disease has been identified as a relatively uncommon cause of cSAH. CASE REPORT: We report a case of cSAH caused by cardioembolic stroke. A 69-year old female patient developed suddenly left-sided face and body weakness and numbness and visual neglect on the left...
August 2, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28765764/focal-ablation-for-atrial-tachycardia-from-the-double-exit-of-the-marshall-bundle-inducing-atrial-fibrillation
#9
Jung Yeon Chin, Jong Woo Kim, Ki-Woon Kang
Atrial fibrillation (AF) from the ligament/vein of Marshall (LOM/VOM) has previously been described. We report the case of a 23-year-old woman with an antiarrhythmic drug-resistant AF induced by two distinct atrial tachycardias (ATs). Focal ablation of these ATs from the double-exit of the Marshall bundle using a three-dimensional map eliminated AF triggering, even though pulmonary vein electrical isolation is the cornerstone for paroxysmal AF. Such mechanisms are important as triggering factors to plan ablation for paroxysmal AF...
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28765762/paroxysmal-atrial-fibrillation-recurrences-and-quality-of-life-in-symptomatic-patients-a-crossover-study-of-flecainide-and-pilsicainide
#10
Tsuyoshi Shiga, Koichiro Yoshioka, Eiichi Watanabe, Hisako Omori, Masahiro Yagi, Yasuo Okumura, Naoki Matsumoto, Kengo Kusano, Chikara Oshiro, Takanori Ikeda, Naohiko Takahashi, Takashi Komatsu, Atsushi Suzuki, Tsuyoshi Suzuki, Yasuto Sato, Takeshi Yamashita
BACKGROUND: The therapeutic goals of atrial fibrillation (AF) patients are to reduce symptoms and prevent severe complications associated with AF. This study compared the efficacy of flecainide versus pilsicainide in reducing the frequency of AF and improving quality of life (QOL) in symptomatic paroxysmal AF patients without structural heart disease. METHODS: The Atrial Fibrillation and Quality Of Life (AF-QOL) study was a prospective, multicenter, randomized, open-label crossover study that compared flecainide and pilsicainide as antiarrhythmic drug therapy...
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28765757/vagal-response-in-cryoballoon-ablation-of-atrial-fibrillation-and-autonomic-nervous-system-utility-of-epicardial-adipose-tissue-location
#11
Satoshi Yanagisawa, Yasuya Inden, Yoshiaki Mizutani, Aya Fujii, Yosuke Kamikubo, Yasunori Kanzaki, Monami Ando, Junya Funabiki, Yosuke Murase, Masaki Takenaka, Noriaki Otake, Tetsuyoshi Hattori, Rei Shibata, Toyoaki Murohara
BACKGROUND: Mechanism and effects of vagal response (VR) during cryoballoon ablation procedure on the cardiac autonomic nervous system (ANS) are unclear. The present study aimed to evaluate the relationship between VR during cryoballoon catheter ablation for atrial fibrillation and ANS modulation by evaluating epicardial adipose tissue (EAT) locations and heart rate variability (HRV) analysis. METHODS: Forty-one patients with paroxysmal atrial fibrillation (11 with VR during the procedure and 30 without VR) who underwent second-generation cryoballoon ablation were included...
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28764224/paroxysmal-atrial-fibrillation-due-to-venomous-snake-bite
#12
Samarth Virmani, Rama Bhat, Raghavendra Rao, Raahat Kapur, Savio Dsouza
Snake bites are common all around the world with a great prevalence in South Asia and the Indian subcontinent. Although they are associated with common complications such as local swelling, bleeding at site of bite, coagulopathy, etc., few rare cardiac complications such as myocardial infarctions and arrhythmias have also been described in literature. The following is a case report of a patient who had a snake bite with a Russell's viper which resulted in atrial fibrillation, which resolved on treatment with anti snake venom...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28762898/a-score-for-paroxysmal-atrial-fibrillation-in-acute-ischemic-stroke
#13
Halvor Naess, Ulrike W Andreassen, Lars Thomassen, Christopher E Kvistad
Aim Many patients with ischemic stroke have paroxysmal atrial fibrillation that may be difficult to detect. We sought to identify markers of paroxysmal atrial fibrillation and construct a score that may help the clinician to select patients for anticoagulation even if investigations do not disclose atrial fibrillation. Methods A group of patients with acute ischemic stroke and TIA and documented paroxysmal atrial fibrillation was compared to a group of patients with ischemic stroke and TIA and no known paroxysmal atrial fibrillation and sinus rhythm on Holter monitoring...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28761672/adjunctive-interpulmonary-isthmus-ablation-has-no-added-effects-on-atrial-fibrillation-recurrence
#14
Shunichi Higashiya, Hirosuke Yamaji, Takashi Murakami, Kazuyoshi Hina, Hiroshi Kawamura, Masaaki Murakami, Shigeshi Kamikawa, Issei Komatsubara, Shozo Kusachi
OBJECTIVE: Data on the efficacy of adjunctive interpulmonary isthmus ablation following completion of extensive encircling pulmonary vein isolation (EEPVI) on atrial fibrillation (AF) recurrence have still been insufficient. We aimed to compare the AF recurrence between EEPVI with and without adjunctive interpulmonary isthmus ablation. METHODS: We enrolled 200 consecutive patients with paroxysmal AF (first session) who underwent EEPVI with double-Lasso technique...
2017: Open Heart
https://www.readbyqxmd.com/read/28761022/vagal-denervation-in-atrial-fibrillation-ablation-a-comprehensive-review
#15
Tolga Aksu, Tümer Erdem Güler, Ferit Onur Mutluer, Mehmet Ali Oto
Although pulmonary vein isolation is accepted as an established interventional treatment in paroxysmal atrial fibrillation (AF), alternative modalities are being investigated because of the high recurrence rates of nonparoxysmal forms. One of the alternative ablation approaches is ablation or modification of vagal ganglionated plexi (VGP). The technique has not only been used in vagally mediated AF but also investigated in paroxysmal and nonparoxysmal AF. Clinical studies demonstrate significant discrepancy related with detection of VGP sites or ablation targets and definition of procedurel end-points, so far...
July 25, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28760871/should-we-perform-catheter-ablation-for-asymptomatic-atrial-fibrillation
#16
REVIEW
Jonathan M Kalman, Prashanthan Sanders, Raphael Rosso, Hugh Calkins
Since the original description of atrial fibrillation ablation, numerous studies have demonstrated the superiority of catheter ablation over pharmacological therapy for maintenance of sinus rhythm in patients with both paroxysmal and persistent atrial fibrillation. However, to date, no randomized studies have been powered to demonstrate a mortality or stroke reduction benefit of rhythm control with catheter ablation over a rate control strategy. The results of such ongoing studies are not expected until 2018 or 2019...
August 1, 2017: Circulation
https://www.readbyqxmd.com/read/28757307/association-between-oxidative-stress-and-atrial-fibrillation
#17
Ayman Samman Tahhan, Pratik B Sandesara, Salim S Hayek, Ayman Alkhoder, Kaavya Chivukula, Muhammad Hammadah, Heval Mohamed-Kelli, Wesley T O'Neal, Matthew Topel, Nima Ghasemzadeh, Yi-An Ko, Hiroshi Aida, Mazen Gafeer, Laurence Sperling, Viola Vaccarino, Yongliang Liang, Dean P Jones, Arshed A Quyyumi
BACKGROUND: Oxidative stress (OS) may be a key mechanism underlying development of AF in experimental studies, but data in humans remains limited. OBJECTIVES: Systemic OS can be estimated by measurements of circulating levels of the aminothiols including glutathione, cysteine and their oxidized products. We tested the hypothesis that the redox state of glutathione (EhGSH) and cysteine (EhCyS) will be associated with prevalent and incident AF. METHODS: Plasma levels of aminothiols were measured in 1,439 patients undergoing coronary angiography of which 148 (10...
July 27, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28756759/differential-characteristics-stroke-recurrence-and-predictors-of-covert-atrial-fibrillation-of-embolic-strokes-of-undetermined-source
#18
Maximiliano A Hawkes, Mauricio F Farez, Lucia Pertierra, Maia M Gomez-Schneider, José M Pastor-Rueda, Sebastián F Ameriso
Background and purpose Identifying embolic strokes of undetermined source (ESUS) patients likely to harbor atrial fibrillation may have diagnostic and therapeutic implications. Our aim was to examine differences between ESUS and cardioembolic strokes, to evaluate stroke recurrence rate among ESUS and to identify baseline characteristics of ESUS patients who were later diagnosed with atrial fibrillation. Materials and methods We assessed all ischemic stroke patients admitted between June 2012 and November 2013...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28752782/the-feasibility-of-substituting-left-atrial-wall-strain-for-flow-velocity-of-left-atrial-appendage
#19
Akihito Miyoshi, Yoichi Nakamura, Yukio Kazatani, Hiroshi Ito
OBJECTIVE: Non-valvular atrial fibrillation (NVAF) is frequently complicated by thromboembolism. Left atrial appendage (LAA) flow is a predictor of LAA thrombosis. LAA flow is measured by transesophageal echocardiography (TEE), which is a semi-invasive diagnostic tool. Recently, speckle-tracking methods have been adapted for the evaluation of local cardiac function. We hypothesised that if we could determine LAA wall motion utilising a speckle tracking technique, we could non-invasively analyse LAA flow...
July 28, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28751544/the-impact-of-cryoballoon-versus-radiofrequency-ablation-for-paroxysmal-atrial-fibrillation-on-healthcare-utilization-and-costs-an-economic-analysis-from-the-fire-and-ice-trial
#20
K R Julian Chun, Josep Brugada, Arif Elvan, Laszlo Gellér, Matthias Busch, Alberto Barrera, Richard J Schilling, Matthew R Reynolds, Robert B Hokanson, Reece Holbrook, Benedict Brown, Michael Schlüter, Karl-Heinz Kuck
BACKGROUND: This study sought to assess payer costs following cryoballoon or radiofrequency current (RFC) catheter ablation of paroxysmal atrial fibrillation in the randomized FIRE AND ICE trial. METHODS AND RESULTS: A trial period analysis of healthcare costs evaluated the impact of ablation modality (cryoballoon versus RFC) on differences in resource use and associated payer costs. Analyses were based on repeat interventions, rehospitalizations, and cardioversions during the trial, with unit costs based on 3 national healthcare systems (Germany [€], the United Kingdom [£], and the United States [$])...
July 27, 2017: Journal of the American Heart Association
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