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https://www.readbyqxmd.com/read/28447159/catheter-ablation-of-persistent-atrial-fibrillation-beneficial-effect-of-a%C3%A2-short-term-adjunctive-amiodarone-therapy-on-the-long-term-outcome
#1
Klaus Kettering, Felix Gramley
BACKGROUND: Catheter ablation has become the first line therapy in patients with symptomatic, recurrent, drug-refractory atrial fibrillation. Circumferential pulmonary vein ablation is still the standard approach in these patients. However, the results are not very favorable (especially in patients with persistent atrial fibrillation). Therefore, more complex ablation strategies and the usefulness of (short-term) adjunctive antiarrhythmic drug therapy are a matter of discussion. The aim of this study was to analyze whether short-term amiodarone therapy after catheter ablation (3 months) has a positive effect on the success rates after circumferential pulmonary vein ablation in patients with persistent atrial fibrillation...
April 26, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28444773/mechanical-dispersion-and-global-longitudinal-strain-by-speckle-tracking-echocardiography-predictors-of-appropriate-implantable-cardioverter-defibrillator-therapy-in-hypertrophic-cardiomyopathy
#2
Ozkan Candan, Cetin Gecmen, Emrah Bayam, Ahmet Guner, Mehmet Celik, Cem Doğan
PURPOSE: In this study, we investigated whether mechanical dispersion which reflects electrical abnormality and other echocardiographic and clinic parameters predict appropriate ICD shock in patients undergone ICD implantation for hypertrophic cardiomyopathy. METHODS: Sixty-three patients who received ICD implantation for primary or secondary prevention were included in the study. Patients' clinical, electrocardiographic, 2D classic, and speckle tracking echocardiographic data were collected...
April 26, 2017: Echocardiography
https://www.readbyqxmd.com/read/28438723/long-term-outcomes-of-minimally-invasive-surgical-ablation-for-atrial-fibrillation-a-single-center-experience
#3
Aditya Saini, Yuhning L Hu, Vigneshwar Kasirajan, Frederick T Han, Muhammad Z Khan, Luke Wolfe, Sampath Gunda, Jayanthi N Koneru, Kenneth A Ellenbogen
BACKGROUND: Minimally invasive surgical AF ablation delivers RF energy via a thoracoscopic approach to perform pulmonary vein isolation and LA ganglionic plexi ablation. Data on long term outcomes of MISAA is lacking. OBJECTIVE: We report 5 year follow-up data from a prospective cohort of patients who underwent MISAA at a single center. METHODS: One hundred nine consecutive patients (60 paroxysmal, 49 persistent, mean age 62.7±9.3 years) underwent MISAA with left atrial appendage exclusion by a single surgeon between 2006 and 2012...
April 21, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28432166/the-lazarus-phenomenon-spontaneous-cardioversion-after-termination-of-resuscitation-in-a-scottish-hospital
#4
Benjamin Spowage-Delaney, Christopher T Edmunds, Jamie G Cooper
A 66-year-old man suffered a ventricular fibrillation cardiac arrest after an episode of chest pain. Despite advanced life support, his condition deteriorated; the situation was considered irrecoverable and resuscitation was discontinued. The patient was observed for about 5 min with irregular agonal gasping respirations evident but no palpable pulse. A gradual increase in the regularity of breathing pattern heralded the return of spontaneous circulation. An inferior myocardial infarction was diagnosed. Primary percutaneous coronary intervention was performed...
April 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28431724/retrosternal-implantation-of-the-cardioverter-defibrillator-lead-in-an-infant
#5
Hiroaki Hata, Naokata Sumitomo, Toshiko Nakai, Atsushi Amano
Using an implantable cardioverter-defibrillator (ICD) in small children is still challenging, but the need is increasing. We present a new approach to overcoming ICD problems caused by growth in infants. A redundant ICD lead was fixed to the superior border of the sternum and tunneled retrosternally to the subxiphoid region for connection to the generator, which was placed in a pocket beneath the left transversus abdominis muscle. The redundant retrosternal part of the lead straightened during growth, while cardiac coverage by the cardioversion energy field and the defibrillation vector were maintained appropriately...
May 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28431512/hemoglobin-a1c-and-risk-of-left-atrial-thrombus-and-spontaneous-echo-contrast-in-non-valvular-atrial-fibrillation-patients
#6
Rong-Ren Kuang, Fang-Zhou Liu, Yun-Peng Li, Wei-Dong Lin, Hua-Sheng Liang, Ai-Hua Chen
OBJECTIVES: To evaluate the relationship between hemoglobin A1c (HbA1c) and risk of left atrial thrombus/spontaneous echo contrast (LAT/SEC) in non-valvular atrial fibrillation (AF) patients. METHODS: In this retrospective study, 1158 consecutive non-valvular AF patients undergoing transesophageal echocardiography prior to radiofrequency catheter ablation or electric cardioversion were enrolled. Baseline characteristics were collected and analyzed. RESULTS: There were 87 (7...
April 21, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28431060/catheter-ablation-vs-antiarrhythmic-drug-therapy-in-patients-with-symptomatic-atrioventricular-nodal-re-entrant-tachycardia-a-randomized-controlled-trial
#7
Demosthenes G Katritsis, Theodoros Zografos, George D Katritsis, Eleftherios Giazitzoglou, Vasilios Vachliotis, George Paxinos, A John Camm, Mark E Josephson
Aims: To conduct a randomized trial in order to guide the optimum therapy of symptomatic atrioventricular nodal re-entrant tachycardia (AVNRT). Methods and Results: Patients with at least one symptomatic episode of tachycardia per month and an electrophysiologic diagnosis of AVNRT were randomly assigned to catheter ablation or chronic antiarrhythmic drug (AAD) therapy with bisoprolol (5 mg od) and/or diltiazem (120-300 mg od). All patients were properly educated to treat subsequent tachycardia episodes with autonomic manoeuvres or a 'pill in the pocket' approach...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28421842/the-management-of-ventricular-dysrhythmia-in-aconite-poisoning
#8
REVIEW
James M Coulson, Thomas M Caparrotta, John P Thompson
INTRODUCTION: Aconite poisoning is relatively rare but is frequently complicated by ventricular dysrhythmias, which may be fatal. Molecular basis of aconite alkaloid ventricular arrhythmogenicity: Aconite exerts its toxic effects due to the presence of an admixture of alkaloids present in all parts of the plant. The major target of these aconite alkaloids is the fast voltage-gates sodium channel, where they cause persistent activation. This blockade of the channel in the activated state promotes automaticity within the ventricular myocardium and the generation of ventricular arrhythmias...
June 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28419884/fish-oil-supplementation-for-primary-prevention-of-atrial-fibrillation-after-coronary-artery-bypass-graft-surgery-a-randomized-clinical-trial
#9
Ali Vasheghani Farahani, Awat Yousefi Azar, Hamid Reza Goodarzynejad, Elnaz Khorrami, Mohammad Javad Hosseinzadeh-Attar, Sima Oshnouei, Alireza Alizadeh Ghavidel, Elham Golfeshan, Fateme Ghourban Pour
BACKGROUND: Atrial fibrillation (AF) after cardiac surgery is a common complication that may influence patients' early and long term outcomes and hospital costs. The purpose of this study was to assess the effect of fish oil on occurrence of AF following coronary artery bypass graft surgery (CABG). METHODS: This study was a single-center, randomized, double blinded, placebo-controlled clinical trial. Four-hundred and one patients undergoing coronary artery bypass graft surgery were randomly assigned to receive 2 g/d fish oil or placebo (olive oil) for at least 5 days before surgery...
April 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28419594/catheter-ablation-for-the-treatment-of-atrial-fibrillation-is-associated-with-a-reduction-in-health-care-resource-utilization
#10
Michelle Samuel, Meytal Avgil Tsadok, Jacqueline Joza, Hassan Behlouli, Atul Verma, Vidal Essebag, Louise Pilote
BACKGROUND: Catheter ablation (CA) is superior to antiarrhythmic therapy at reducing recurrence of atrial fibrillation (AF); however, there is limited data regarding whether this decrease translates into a reduction in health care resource utilization. OBJECTIVE: To evaluate the impact of AF ablation on long-term health care resource utilization. METHODS: A population-based cohort was constructed to include patients who underwent CA for AF in Quebec, Canada between April 2005 and March 2011...
April 17, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28390762/new-onset-postoperative-atrial-fibrillation-after-aortic-valve-replacement-effect-on-long-term-survival
#11
Ben M Swinkels, Bas A de Mol, Johannes C Kelder, Freddy E Vermeulen, Jurriën M Ten Berg
OBJECTIVE: There is a paucity of data on long-term survival of new-onset postoperative atrial fibrillation (POAF) after cardiac surgery. Also, mean follow-up in previous studies is confined to a maximum of one decade. This retrospective, longitudinal cohort study was performed to determine the effect on long-term survival of new-onset POAF after aortic valve replacement (AVR) over a mean follow-up of almost 2 decades. METHODS: Kaplan-Meier survival analysis was used to determine long-term survival after AVR, performed between January 1, 1990, and January 1, 1994, in 569 consecutive patients without a history of atrial fibrillation, divided into 241 patients (42...
March 12, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28384905/sinus-rhythm-in-rheumatic-mitral-stenosis-after-balloon-mitral-valvotomy-is-it-feasible
#12
Ashwal A Jayaram, Anand N Shukla, Saurin Shah, Vidya Nayak, Sridevi Prabhu, Umesh Pai
INTRODUCTION: Atrial Fibrillation (AF) is largely present in patients with rheumatic valvular disease, leading to hospitalizations. AIM: We aimed to study the restoration and maintenance of Sinus Rhythm (SR) in rheumatic patients with Mitral Stenosis (MS) and AF after Balloon Mitral Valvotomy (BMV) and evaluated the factors which affect the maintenance of SR. MATERIALS AND METHODS: A total of 50 patients who underwent BMV at U. N. Mehta Institute of Cardiology and Research Centre from 2010 November to 2013 January were included in the study...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28376692/neuroversion-using-electroconvulsive-therapy-as-a-bridge-to-deep-brain-stimulation-implantation
#13
Nolan R Williams, Greg Sahlem, Jaspreet Pannu, Istvan Takacs, Baron Short, Gonzalo Revuelta, Mark S George
Parkinson's disease (PD) is a movement disorder with significant neuropsychiatric comorbidities. Electroconvulsive therapy (ECT) is effective in treating these neuropsychiatric symptoms; however, clinicians are reluctant to use ECT in patients with deep brain stimulation (DBS) implantations for fear of damaging the device, as well as potential cognitive side effects. Right unilateral ultra-brief pulse (RUL UBP) ECT has a more favorable cognitive side-effect profile yet has never been reported in PD patients with DBS implants...
February 2017: Neurocase
https://www.readbyqxmd.com/read/28363947/antimitochondrial-antibodies-positive-myositis-accompanied-by-cardiac-involvement
#14
Tetsuo Yamanaka, Toru Fukatsu, Yoshimaro Ichinohe, Yasunobu Hirata
We report a 55-year-old man who experienced proximal muscle weakness accompanied by the atrial flutter (AFL) with 1:1 conduction. Detailed examination revealed elevated antimitochondrial antibodies (AMA) and creatine kinase (CK). AFL was converted to sinus rhythm by cardioversion. He was diagnosed as AMA-positive myositis-associated AFL and was treated by prednisolone. Although his muscle weakness and CK level improved, AFL with 1:1 conduction reappeared. Therefore, radiofrequency catheter ablation (RFCA) was needed to treat the AFL, resulting in maintenance of sinus rhythm...
March 31, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28350861/efficacy-and-effects-on-cardiac-function-of-radiofrequency-catheter-ablation-vs-direct-current-cardioversion-of-persistent-atrial-fibrillation-with-left-ventricular-systolic-dysfunction
#15
Maojing Wang, Shanglang Cai, Wei Ding, Yujie Deng, Qing Zhao
OBJECTIVE: To evaluate the effect of catheter ablation vs. direct current synchronized cardioversion (DCC) in patients with persistent atrial fibrillation (AF) and left ventricular systolic dysfunction, and to define baseline features of patients that will get more benefit from ablation. METHODS: From July 2013 to October 2014, 97 consecutive single-center patients with persistent AF and symptomatic heart failure (left ventricular ejection fraction (LVEF) <50%) underwent DCC followed by amiodarone (n = 40) or circumferential pulmonary vein isolation (PVI; n = 57) according to patient's preference were recruited in the study...
2017: PloS One
https://www.readbyqxmd.com/read/28347792/ppar%C3%AE-agonists-use-and-recurrence-of-atrial-fibrillation-after-successful-electrical-cardioversion
#16
Jun Gu, Wei Hu, Zhi-Ping Song, Xu Liu, Da-Dong Zhang
Inflammation is associated with atrial fibrillation (AF) and peroxisome proliferators activated receptor-gamma (PPARγ) agonists have anti-inflammatory properties. We tested if pioglitazone reduced AF recurrence after electrical cardioversion (EC) by modifying systemic inflammation. In this randomized and prospective trial, patients with persistent AF and type 2 diabetes mellitus were randomized into pioglitazone group (n=48) or control group (n=49) before EC. Treatment was continued for 3 months or until AF recurred...
March 24, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28343603/cardioversion-for-atrial-fibrillation-improves-quality-of-life-it-s-obvious-or-isn-t-it
#17
EDITORIAL
Paul Dorian, Andrew C T Ha
No abstract text is available yet for this article.
April 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28343443/lacosamide-induced-recurrent-ventricular-tachycardia-in-the-acute-care-setting
#18
Theodore J Berei, Matthew P Lillyblad, Adrian K Almquist
Lacosamide is a new-generation antiepileptic drug (AED) most commonly used adjunctively in the setting of partial-onset seizures refractory to traditional therapy. We describe the first case report, to our knowledge, of a patient who developed recurrent, sustained ventricular tachycardia with multiple administrations of lacosamide in an acute setting. A 70-year-old woman with a history significant for valvular heart disease was admitted to the inpatient cardiology service for worsening heart failure. On hospital day 7, she received a bioprosthetic aortic valve...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28340110/peri-mitral-atrial-flutter-personalized-ablation-strategy-based-on-arrhythmogenic-substrate
#19
Jinbo Yu, Kai Chen, Bing Yang, Fengxiang Zhang, Weizhu Ju, Hongwu Chen, Gang Yang, Mingfang Li, Benqi Wang, Kai Gu, Feifan Ouyang, Siew Yen Ho, Sunny Po, Minglong Chen
Aims: The aim of this study is to characterize the arrhythmogenic substrate for peri-mitral atrial flutter (PMAFL), thereby determining a personalized ablation strategy to treat PMAFL. Methods and results: Thirty-six consecutive PMAFL patients (mean age: 63.8 ± 11.3, 23 males) underwent detailed three-dimensional electroanatomic mapping in left atrium (LA). The LA was divided into septal-anterior wall (SAW), posterior inferior wall (PIW), and mitral isthmus (MI) region, respectively...
March 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339554/efficacy-and-safety-of-antazoline-in-the-rapid-cardioversion-of-paroxysmal-atrial-fibrillation-the-anpaf-study
#20
Aleksander Maciag, Michal M Farkowski, Tomasz Chwyczko, Maciej Beckowski, Pawel Syska, Ilona Kowalik, Mariusz Pytkowski, Jacek Wozniak, Rafal Dabrowski, Hanna Szwed
Aims: The aim of the study was to assess the clinical efficacy of antazoline, a first-generation anti-histaminic agent, in the rapid conversion of paroxysmal non-valvular atrial fibrillation (AF) to sinus rhythm in patients without heart failure. Methods and results: This study was a single center, randomized, double blind, placebo-controlled, superiority clinical trial. We enrolled patients with an AF episode lasting less than 43 h, in stable cardiopulmonary condition...
December 22, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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