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Paroxysmal atrial fibrillation

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https://www.readbyqxmd.com/read/27910083/radiofrequency-catheter-ablation-of-accessory-pathways-in-patients-with-ebstein-s-anomaly-at-8-years-of-follow-up
#1
Michał Orczykowski, Paweł Derejko, Robert Bodalski, Piotr Urbanek, Joanna Zakrzewska-Koperska, Radosław Sierpiński, Katarzyna Kalin, Andrzej Hasiec, Grzegorz Warmiński, Maria Miszczak-Knecht, Katarzyna Bieganowska, Rafał Baranowski, Maria Bilińska, Elżbieta Biernacka, Piotr Hoffman, Łukasz Szumowski
BACKGROUND: Data regarding long-term follow-up of radiofrequency catheter ablation (RFCA) of accessory pathways (APs) in patients with Ebstein's anomaly (EA) are limited. The procedures are challenging due to multiple or wide APs. METHODS: Analysis was performed on clinical and periprocedural data of patients with EA referred to the centre in order to perform catheter ablation of accessory pathway (AP). The group consisted of 22 patients (female 40.9%, mean age 33...
December 2, 2016: Cardiology Journal
https://www.readbyqxmd.com/read/27910004/dabigatran-overdose-a-case-report-of-acute-hepatitis-extracorporeal-treatment
#2
Mariagrazia Porru, Antonella Mameli, Maria E Cianchetti, Mario Musu, Paola Schirru, Maria F Ruberto, Doris Barcellona, Francesco Marongiu
Dabigatran is an oral, direct thrombin inhibitor approved by international regulatory agencies for stroke prevention in patients with paroxysmal or persistent non-rheumatic atrial fibrillation (AF). The benefits of dabigatran are widely described, but its use in the geriatric population is not without risk. Chronic kidney disease is a common comorbidity with AF, and thus frequent checks of renal function in elderly patients are recommended. We report a case of dabigatran intoxication in an elderly man affected by heart failure and worsening renal function, who developed acute hepatitis and coma, which was successfully treated with continuous veno-venous hemodiafiltration...
December 1, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27909534/efficacy-and-safety-of-implantable-loop-recorder-experience-of-a-center
#3
Inês Silveira, Maria João Sousa, Nuno Antunes, Vânia Silva, Carla Roque, António Pinheiro-Vieira, Vítor Lagarto, António Hipólito-Reis, André Luz, Severo Torres
Introduction: Symptoms like syncope or palpitations frequently present a diagnostic challenge. An implantable loop recorder (ILR) is an important aid in the management of these patients. Methods: A retrospective study of patients that underwent ILR implantation from November 2007 to 2014. For each patient the indication for implantation, baseline characteristics, previous study, complications, recorded tracing and interventions were evaluated. Results: A total of 62 patients were included, 50% men, with a mean age of 62...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909526/achieving-bidirectional-long-delays-in-pulmonary-vein-antral-lines-prior-to-bidirectional-block-in-patients-with-paroxysmal-atrial-fibrillation-the-bi-bi-technique-for-atrial-fibrillation-ablation
#4
Adel F Mina Md Facc Fhrs, Nicholas L Warnecke Pa-C
Background: Pulmonary Vein Antral isolation (PVAI) is currently the standard of care for both paroxysmal and persistent atrial fibrillation ablation. Reconnection to the pulmonary vein is the most common cause of recurrence of atrial fibrillation. Achieving the endpoint of bidirectional block (BDB) for cavotricuspid isthmus dependant flutter has improved our outcomes for atrial flutter ablation. With this we tried to achieve long delays in the pulmonary veins antral lines prior to complete isolation comparable to those delays found in patient with bidirectional block of atrial flutter lines...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909504/long-term-evolution-of-patients-treated-for-paroxysmal-atrial-fibrillation-with-first-and-second-generation-cryoballoon-catheter-ablation-with-a-prospective-protocol-guided-by-complete-bidirectional-left-atrium-pulmonary-veins-disconnection-after-adenosine
#5
Jesus M Paylos Md PhD, Aracelis Morales Md, Luis Azcona Md, Marisol Paradela Md, Raquel Yagüe Md, Fernando Gómez-Guijarro Md, Lourdes Lacal Md, Clara Ferrero Rn, Octavio Rodríguez Md
INTRODUCTION: Cryoballoon ablation (CB) has proven effective for treating patients with paroxysmal atrial fibrillation (PAF). We analyzed our seven year follow-up of patients, treated for PAF with first (CB1) and second generation (CB2), with demonstration of LA-PV disconnection with bidirectional block (BB) after adenosine (AD). METHODS: Since November 2008 to May 2015, 128 patients, 97 male (58±7 years), without heart disease, highly symptomatic, refractory to antiarrhythmic drugs (AAD) were treated, and follow-up (1411 ±727 days)...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909499/hyperacute-and-chronic-changes-in-cerebral-magnetic-resonance-images-after-pvac-nmarq-and-epicardial-thoracoscopic-surgical-ablation-for-paroxysmal-atrial-fibrillation
#6
Conn Sugihara Mbbs, Neil Barlow Mbbs, Emma Owens Mbbs, David Sallomi Mb ChB, Neil Sulke Md
Threshold testing of cardiac rhythm devices is essential to monitoring the proper functioning of such devices (1). However, the currently method of applying multiple ECG leads to the patient is burdensome and time consuming (2). We are presenting a completely new way to perform cardiac rhythm device threshold testing using pulse oximetry. Twenty patients, with varying cardiac rhythm devices and pacing modes, were enrolled and had their atrial and ventricular thresholds tested. A comparison was made between simultaneous threshold determinations via the standard EGM based method and the new pulse oximetry based method...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909493/antiarrhythmic-effect-of-antioxidants-in-patients-with-atrial-fibrillation
#7
Rustam Khabchabov PhD, Khabchabov Rg PhD, Makhmudova Er PhD
Resume In accordance with modern concepts, one of the leading roles in the development of paroxysmal atrial fibrillation and flutter, belongs - the restructuring of the myocardium, in second place - sick sinus syndrome and in third place - the presence of accessory pathways and hormonal disorders. The development of atrial fibrillation and flutter in the structural pathology, primarily begins with of drugs if it does not work, we have to carry out ablation. Providing proper, effective and important combination therapy - is the main challenge in cardiology...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909474/efficacy-high-procedural-safety-and-rapid-optimization-of-cryoballoon-atrial-fibrillation-ablation-in-the-hands-of-a-new-operator
#8
Eberhard Scholz, Patrick Lugenbiel, Patrick A Schweizer, Panagiotis Xynogalos, Claudia Seyler, Edgar Zitron, Rüdiger Becker, Hugo A Katus, Dierk Thomas
BACKGROUND: Cryoballoon (CB) ablation is successful in eliminating atrial fibrillation (AF). PURPOSE: The purpose of this study was to assess procedural efficacy and safety of CB ablation performed by a newly trained operator. METHODS: Forty patients with documented paroxysmal AF (58 ± 11 years, 26 male) undergoing CB catheter ablation were prospectively enrolled. RESULTS: Electrical pulmonary vein (PV) isolation was achieved in all patients (156 PVs)...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27906707/hybrid-ablation-for-atrial-fibrillation-current-approaches-and-future-directions
#9
Gianluigi Bisleri, Benedict Glover
PURPOSE OF REVIEW: Catheter ablation of atrial fibrillation has rapidly evolved during the past decade: although the treatment of paroxysmal atrial fibrillation via a transcatheter approach has been consistently successful, persistent and long-standing atrial fibrillation still represents a major clinical challenge with less favorable outcomes to date. Because novel, minimally invasive surgical approaches have been developed for atrial fibrillation ablation, the aim of the present review is to analyze the current evidence surrounding the integration of surgical and transcatheter strategies in a hybrid fashion for the treatment of atrial fibrillation...
January 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/27904005/study-design-and-baseline-characteristics-of-the-expand-study-evaluation-of-effectiveness-and-safety-of-xa-inhibitor-rivaroxaban-for-the-prevention-of-stroke-and-systemic-embolism-in-a-nationwide-cohort-of-japanese-patients-diagnosed-as-non-valvular-atrial
#10
Takanori Ikeda, Hirotsugu Atarashi, Hiroshi Inoue, Shinichiro Uchiyama, Takanari Kitazono, Takeshi Yamashita, Wataru Shimizu, Masahiro Kamouchi, Koichi Kaikita, Koji Fukuda, Hideki Origasa, Ichiro Sakuma, Keijiro Saku, Yasuo Okumura, Yuichiro Nakamura, Hideo Morimoto, Naoki Matsumoto, Akihito Tsuchida, Junya Ako, Nobuyoshi Sugishita, Shogo Shimizu, Hiroaki Shimokawa
The use of rivaroxaban, a factor Xa inhibitor, has been increasing for prevention of ischemic stroke and systemic embolism in patients with non-valvular atrial fibrillation (AF) in Japan. We conducted the nationwide multicenter study, termed as the EXPAND Study, to address its effectiveness and safety in the real-world practice of patients with non-valvular AF in Japan. The EXPAND Study is a prospective, non-interventional, observational cohort study to evaluate the effectiveness and safety of rivaroxaban in non-valvular AF patients in a real-world clinical practice...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27895043/impact-of-alcohol-consumption-on-the-outcome-of-catheter-ablation-in-patients-with-paroxysmal-atrial-fibrillation
#11
Masateru Takigawa, Atsushi Takahashi, Taishi Kuwahara, Yoshihide Takahashi, Kenji Okubo, Emiko Nakashima, Yuji Watari, Jun Nakajima, Kazuya Yamao, Yuki Osaka, Yasuaki Tanaka, Shigeki Kimura, Katsumasa Takagi, Hiroyuki Hikita, Kenzo Hirao, Mitsuaki Isobe
BACKGROUND: Although several studies have reported an association between atrial fibrillation (AF) and alcohol, the impact of alcohol consumption on the outcome after catheter ablation (CA) for AF has not been discussed. We aimed to elucidate the effect of alcohol consumption on the outcome of CA for paroxysmal AF. METHODS AND RESULTS: We examined 1361 consecutive patients with paroxysmal AF (mean age, 61±11 years, 334 women) who underwent CA, including 623 (45...
November 28, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27894773/cryoablation-for-atrial-fibrillation-a-useful-technique-beyond-paroxysmal-forms-of-arrhythmia
#12
Serge Boveda
No abstract text is available yet for this article.
November 25, 2016: Revista Española de Cardiología
https://www.readbyqxmd.com/read/27889553/long-term-outcomes-from-catheter-ablation-of-very-longstanding-persistent-atrial-fibrillation
#13
Karen P Phillips, Daniel T Walker
INTRODUCTION: Success rates for catheter ablation of longstanding persistent atrial fibrillation (AF) are significantly poorer than for recently persistent or paroxysmal forms. We report on single centre long term outcomes from ablation of very longstanding (> 2years) persistent AF. MATERIAL AND METHODS: A retrospective analysis of outcomes for patients undergoing catheter ablation for symptomatic very longstanding persistent AF between 2008 and 2013 was performed...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27889552/relation-of-red-blood-cell-distribution-width-with-chads2-and-cha2ds2-vasc-score-in-chinese-patients-with-non-valvular-atrial-fibrillation
#14
Tong Liu, Qingmiao Shao, Panagiotis Korantzopoulos, Shuai Miao, Zhiwei Zhang, Gang Xu, Ruyu Yuan, Guangping Li
BACKGROUND: Higher red cell distribution width (RDW) predicts adverse events in patients with cardiovascular diseases. However, there are limited data regarding the relationship between RDW and thromboembolism risk in the patients with atrial fibrillation (AF). We aimed to investigate the association between RDW and CHADS2, CHA2DS2-VASc scores used for the evaluation of thromboembolic risk in patients with non-valvular atrial fibrillation (AF). METHODS: Our study included 99 patients with AF (68 paroxysmal AF; 31 persistent AF)...
November 14, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27888051/absence-of-oral-anticoagulation-and-subsequent-outcomes-among-outpatients-with-atrial-fibrillation
#15
Paul L Hess, Sunghee Kim, Gregg C Fonarow, Laine Thomas, Daniel E Singer, James V Freeman, Bernard J Gersh, Jack Ansell, Peter R Kowey, Kenneth W Mahaffey, Paul S Chan, Benjamin A Steinberg, Eric D Peterson, Jonathan P Piccini
BACKGROUND: Prior studies have shown a treatment gap in oral anticoagulation (OAC) use among patients with atrial fibrillation yet have incompletely characterized factors associated with failure to treat and subsequent outcomes in contemporary practice. METHODS: Using data collected between June 2010 and August 2011 from 174 ambulatory care sites in the Outcomes Registry for Better Informed Treatment of Atrial Fibrillation, we identified factors associated with absence of OAC via stratified logistic regression...
November 22, 2016: American Journal of Medicine
https://www.readbyqxmd.com/read/27881833/apixaban-for-treatment-of-embolic-stroke-of-undetermined-source-atticus-randomized-trial-rationale-and-study-design
#16
Tobias Geisler, Sven Poli, Christoph Meisner, Juergen Schreieck, Christine S Zuern, Thomas Nägele, Johannes Brachmann, Werner Jung, Georg Gahn, Elisabeth Schmid, Hansjörg Bäezner, Timea Keller, Gabor C Petzold, Jan-Wilko Schrickel, Jan Liman, Rolf Wachter, Frauke Schön, Martin Schabet, Alfred Lindner, Albert C Ludolph, Hubert Kimmig, Sebastian Jander, Uwe Schlegel, Meinrad Gawaz, Ulf Ziemann
RATIONALE: Optimal secondary prevention of embolic stroke of undetermined source is not established. The current standard in these patients is acetylsalicylic acid, despite high prevalence of yet undetected paroxysmal atrial fibrillation. AIM: The ATTICUS randomized trial is designed to determine whether the factor Xa inhibitor apixaban administered within 7 days after embolic stroke of undetermined source, is superior to acetylsalicylic acid for prevention of new ischemic lesions documented by brain magnetic resonance imaging within 12 months after index stroke...
November 23, 2016: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/27878421/the-role-of-the-atrial-electromechanical-delay-in-predicting-atrial-fibrillation-in-beta-thalassemia-major-patients
#17
Anna Rago, Vincenzo Russo, Andrea Antonio Papa, Carmine Ciardiello, Bruno Pannone, Maria Carolina Mayer, Giovanni Cimmino, Gerardo Nigro
BACKGROUND: Paroxysmal atrial tachyarrhythmias frequently occur in beta-thalassemia major (β-TM) patients. The aim of the current study was to evaluate the atrial electromechanical delay (AEMD) in a large β-TM population with normal cardiac function and its relationship to atrial fibrillation (AF) onset. METHODS: Eighty β-TM patients (44 men, 36 women), with a mean age of 36.2 ± 11.1 years, and 80 healthy subjects used as controls, matched for age and gender, were studied for the occurrence of AF during a 5-year follow-up, through 30-day external loop recorder (ELR) monitoring performed every 6 months...
November 22, 2016: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/27878420/a-5-year-clinical-follow-up-after-duty-cycled-phased-rf-ablation-of-paroxysmal-atrial-fibrillation
#18
Antoine Lepillier, Xavier Copie, Gilles Lascault, Olivier Paziaud, Olivier Piot
PURPOSE: Catheter radiofrequency ablation (RFA) is an effective treatment for symptomatic paroxysmal atrial fibrillation (AF). It has been demonstrated that the multielectrode pulmonary vein ablation catheter (PVAC) has favourable outcomes at 6-12 months post-ablation, but there are only few studies with a long-term follow-up. METHODS: We retrospectively reviewed 77 consecutive PVAC procedures in our centre, from November 2007 to December 2012. RFA was attempted in patients with symptomatic paroxysmal AF (mean age 58...
November 22, 2016: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/27876310/impact-of-atrial-natriuretic-peptide-value-for-predicting-paroxysmal-atrial-fibrillation-in-ischemic-stroke-patients
#19
Hiroshi Shiroto, Hirofumi Tomita, Joji Hagii, Norifumi Metoki, Ayaka Fujita, Takaatsu Kamada, Koki Takahashi, Shin Saito, Satoko Sasaki, Hiroyasu Hitomi, Satoshi Seino, Yoshiko Baba, Takamitsu Uchizawa, Manabu Iwata, Shigeo Matsumoto, Minoru Yasujima, Ken Okumura
INTRODUCTION: The impact of atrial natriuretic peptide (ANP) value for predicting paroxysmal atrial fibrillation (pAF) in ischemic stroke patients remains uncertain. METHODS: The consecutive 222 ischemic stroke patients (median 77 [IQR 68-83] years old, 93 females) within 48 hours after onset were retrospectively studied. Plasma ANP and brain natriuretic peptide (BNP) levels were simultaneously measured at admission. Of all, 158 patients had no evidence of atrial fibrillation (AF) (sinus rhythm [SR] group), 25 patients had pAF (pAF group), and the other 39 patients had chronic AF (cAF group)...
November 18, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27875475/scar-based-catheter-ablation-for-persistent-atrial-fibrillation
#20
Pablo B Nery, Rebecca Thornhill, Girish M Nair, Elena Pena, Calum J Redpath
PURPOSE OF REVIEW: Percutaneous catheter ablation can be an effective treatment for paroxysmal atrial fibrillation. However, catheter ablation for the treatment of persistent atrial fibrillation or long-standing persistent atrial fibrillation is associated with success rates of 45-50% at 1 year. To address the challenge of ablating patients with persistent atrial fibrillation, several approaches have been proposed. Atrial scar-based catheter ablation is a promising strategy for ablation of persistent atrial fibrillation...
January 2017: Current Opinion in Cardiology
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