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amiodarone, atrial fibrillation

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https://www.readbyqxmd.com/read/28209460/pharmacologic-cardioversion-with-intravenous-amiodarone-is-likely-safe-in-neurocritically-ill-patients
#1
Michael Su, David Seki, Asma M Moheet
Neurological injury is often associated with cardiac abnormalities, including electrophysiological issues. Cardioversion of acute atrial fibrillation (<48h' duration) without anticoagulation carries about a 0.7% risk of thromboembolism. There is limited data on managing acute atrial fibrillation specifically in the neuroscience intensive care unit (NSICU) setting. We sought to determine the safety of using intravenous (IV) amiodarone for restoring sinus rhythm in patients with presumed new onset atrial or ventricular tachycardia after neurological injury...
February 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28204484/in-patients-undergoing-lung-resection-is-it-safe-to-administer-amiodarone-either-as-prophylaxis-or-treatment-of-atrial-fibrillation
#2
Styliani Maria Kolokotroni, Levon Toufektzian, Leanne Harling, Andrea Billè
No abstract text is available yet for this article.
February 14, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28182279/ranolazine-added-to-amiodarone-facilitates-earlier-conversion-of-atrial-fibrillation-compared-to-amiodarone-only-therapy
#3
Nikos Tsanaxidis, Isaac Aidonidis, Apostolia Hatziefthimiou, Stella S Daskalopoulou, Grigorios Giamouzis, Filippos Triposkiadis, Ioannis Skoularigis
Amiodarone (AMIO) is for many years effectively used to control ventricular rate during atrial fibrillation (AF) and to convert it into sinus rhythm. However, due to its delayed onset of action, ranolazine (RAN), a new antianginal agent with atrial-selective electrophysiologic properties, has recently been attempted as add-on therapy with AMIO to facilitate AF conversion. To establish the role of this combination therapy, we enrolled 173 consecutive patients (68±10 years, 54% male) with recent-onset (< 48 h duration) AF who were eligible for pharmacologic cardioversion...
February 9, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28179615/baseline-serum-globulin-as-a-predictor-of-the-recurrence-of-lone-atrial-fibrillation-after-radiofrequency-catheter-ablation
#4
Qing Zhou, Hailong Cao, Zhenjun Xu, Rongfang Lan, Xin Chen, Dongjin Wang, Wei Xu
OBJECTIVE: Inflammation and autoimmune responses play an important role in recurrence of atrial fibrillation (AF). Serum globulin levels are a commonly used clinical index that represents inflammation and autoimmune response. This study aimed to determine the relationship between baseline serum globulin levels and the risk of recurrence after ablation in lone AF patients. METHODS: We enrolled 348 lone AF patients undergoing radiofrequency catheter ablation for the first time for whom complete follow-up data were available...
February 1, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28168639/chemical-cardioversion-of-recent-onset-atrial-fibrillation-in-the-emergency-department-using-vernakalant-hydrochloride-achieves-safe-and-rapid-restoration-of-sinus-rhythm-and-facilitates-same-day-discharge
#5
P Stoneman, P Gilligan, P Mahon, R Sheahan
BACKGROUND: Vernakalant hydrochloride is a rapid-acting antiarrhythmic drug licensed in the EU since 2010 for the conversion of recent-onset atrial fibrillation with proven efficacy and safety when compared with placebo and amiodarone in randomized clinical trials. AIMS: The aim of our study was to determine the feasibility of same day discharge (following 2 h monitoring) from the emergency department after successful cardioversion using vernakalant hydrochloride...
February 6, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28109316/adenosine-induced-ventricular-fibrillation-in-a-structurally-normal-heart-a-case-report
#6
Christopher A Rajkumar, Norman Qureshi, Fu Siong Ng, Vasileios F Panoulas, Phang Boon Lim
BACKGROUND: Adenosine is the first-line pharmacotherapy for termination of supraventricular tachycardia through its action on the atrioventricular node. However, pro-arrhythmic effects of adenosine are also recognised, most notably in the presence of pre-excited atrial fibrillation. In this case report, we describe the induction of ventricular fibrillation in a patient with no demonstrable accessory pathway, nor any other structural heart disease. This rare, idiosyncratic reaction has never previously been reported and is of relevance given the widespread and routine use of adenosine in clinical practice...
January 22, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28106485/management-strategies-for-atrial-fibrillation
#7
Peysh A Patel, Noman Ali, Andrew Hogarth, Muzahir H Tayebjee
Atrial fibrillation is the most prevalent cardiac arrhythmia, affecting 10% of those aged over 80 years. Despite multiple treatment options, it remains an independent prognostic marker of mortality due to its association with clinical sequelae, particularly cerebrovascular events. Management can be broadly divided into treatment of the arrhythmia, via rhythm or rate control, and stroke thromboprophylaxis via anticoagulation. Traditional options for pharmacotherapy include negatively chronotropic drugs such as β-blockers, and/or arrhythmia-modifying drugs such as amiodarone...
January 2017: Journal of the Royal Society of Medicine
https://www.readbyqxmd.com/read/28069784/short-term-treatment-with-oral-amiodarone-resulting-in-bilateral-optic-neuropathy-and-permanent-blindness
#8
Arnon Knudsen
A 66-year-old man was hospitalised due to worsening of his atrial fibrillation, and successfully underwent an electrocardioversion to restore sinus rhythm. He was discharged with a prescription of 600 mg amiodarone daily to retain the sinus rhythm prospectively. 3 weeks after discharge, he noticed that his vision became blurry with cloudy areas spreading throughout his field of view on both eyes simultaneously. The visual symptoms gradually worsened throughout the following 5 months, and the patient was hospitalised in the department of ophthalmology...
January 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28053220/application-of-static-modeling-in-the-prediction-of-in-vivo-drug-drug-interactions-between-rivaroxaban-and-anti-arrhythmic-agents-based-on-in-vitro-inhibition-studies
#9
Eleanor Jing Yi Cheong, Janice Jia Ni Goh, Yanjun Hong, Gopalakrishnan Venkatesan, Yuanjie Liu, Gigi Ngar Chee Chiu, Pipin Kojodjojo, Eric Chun Yong Chan
Rivaroxaban, a direct Factor Xa inhibitor, is indicated for stroke prevention in non-valvular atrial fibrillation (AF). Studies have revealed that the clearance of rivaroxaban is largely attributed to CYP3A4, CYP2J2 metabolism and P-gp efflux pathways. Amiodarone and dronedarone are anti-arrhythmic agents employed in AF management. Amiodarone, dronedarone and their major metabolites, N-desethylamiodarone (NDEA) and N-desbutyldronedarone (NDBD) demonstrate inhibitory effects on CYP3A4 and CYP2J2 with FDA recommended probe substrates...
January 4, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/27990843/impact-of-qt-interval-prolongation-following-antiarrhythmic-drug-therapy-on-left-ventricular-function
#10
Konstantinos Chouchoulis, John Chiladakis, Nikolaos Koutsogiannis, Periklis Davlouros, Maria Kaza, Dimitrios Alexopoulos
AIM: We assessed whether antiarrhythmic drug-induced QT interval prolongation affects left ventricular function. METHODS: Study population included 54 patients with symptomatic recent onset atrial fibrillation spontaneously cardioverted to sinus rhythm. Electrocardiographic and echocardiographic studies were done before initiating and after achieving drug's steady state. RESULTS: Significantly prolonged corrected QT interval (QTc) was noticed following only sotalol and amiodarone...
January 2017: Future Cardiology
https://www.readbyqxmd.com/read/27984585/atrial-heterogeneity-generates-re-entrant-substrate-during-atrial-fibrillation-and-anti-arrhythmic-drug-action-mechanistic-insights-from-canine-atrial-models
#11
Marta Varela, Michael A Colman, Jules C Hancox, Oleg V Aslanidi
Anti-arrhythmic drug therapy is a frontline treatment for atrial fibrillation (AF), but its success rates are highly variable. This is due to incomplete understanding of the mechanisms of action of specific drugs on the atrial substrate at different stages of AF progression. We aimed to elucidate the role of cellular, tissue and organ level atrial heterogeneities in the generation of a re-entrant substrate during AF progression, and their modulation by the acute action of selected anti-arrhythmic drugs. To explore the complex cell-to-organ mechanisms, a detailed biophysical models of the entire 3D canine atria was developed...
December 2016: PLoS Computational Biology
https://www.readbyqxmd.com/read/27942340/amiodaron-in-atrial-fibrillation-post-coronary-artery-bypass-graft
#12
REVIEW
Paria Habibollahi, Shahrzad Hashemi Jam, Samad Shams Vahdati, Hamidreza Morteza Baghi, Hassan Amiri
BACKGROUND: Atrial fibrilation (AF) is the most common complication following heart surgeries; it often occurs in patients after coronary artery bypass graft (CABG). The purpose of this review is to categorize prophylaxes or treatment by administration of Amiodaron in patients with CABG. DATA RESOURCES: We searched google scholar, pubmed, and Cochrane Library databases (the period 1970-2010) for articles on Amiodaron in CABG and cardiac surgery. A total of 1 561 articles were identified, and 30 articles met the criteria and were enrolled in this review...
2016: World Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27931611/arrhythmogenic-right-ventricular-cardiomyopathy-clinical-course-and-predictors-of-arrhythmic-risk
#13
Andrea Mazzanti, Kevin Ng, Alessandro Faragli, Riccardo Maragna, Elena Chiodaroli, Nicoletta Orphanou, Nicola Monteforte, Mirella Memmi, Patrick Gambelli, Valeria Novelli, Raffaella Bloise, Oronzo Catalano, Guido Moro, Valentina Tibollo, Massimo Morini, Riccardo Bellazzi, Carlo Napolitano, Vincenzo Bagnardi, Silvia G Priori
BACKGROUND: Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a leading cause of sudden cardiac death, but its progression over time and predictors of arrhythmias are still being defined. OBJECTIVES: This study sought to describe the clinical course of ARVC and occurrence of life-threatening arrhythmic events (LAE) and cardiovascular mortality; identify risk factors associated with increased LAE risk; and define the response to therapy. METHODS: We determined the clinical course of 301 consecutive patients with ARVC using the Kaplan-Meier method adjusted to avoid the bias of delayed entry...
December 13, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27909490/effects-of-atrial-fibrillation-cardioversion-after-percutaneous-mitral-balloon-valvuloplasty-on-echocardiographic-left-and-right-atrial-functions
#14
Ayman Morttada Md, Aly Ramzy Md, Said Khaled Md, Amal Ayoub Md, Sameh Samir Md, Hossam Zaki Md
Amongst patients with mitral stenosis (MS), the most common complication is AF.Our study aimed at evaluating the effect of AF cardioversion after Percutaneous Mitral Balloon Valvuloplasty (PMBV) on echocardiographic atrial functions. The study included 34 patients with MS and AF, presenting to Ain-shams University hospitals, who underwent successful PMBV then randomized into 2 different groups according to AF management strategy. Group-I patients (n=16) received DC cardioversion after amiodarone infusion (within 24 hours post-PMBV) in addition to anticoagulation...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909477/sotalol-versus-amiodarone-in-treatment-of-atrial-fibrillation
#15
John Somberg Md, Janos Molnar Md
The availability of intravenous (IV) Sotalol has equalized the treatment options since both amiodarone and sotalol are available in both IV and oral formulations. A review of the efficacy of sotalol as compared to amiodarone both for conversion of atrial fibrillation (AF) and maintenance of normal sinus rhythm (NSR) following cardiac surgery was undertaken. Standard methods of meta-analysis were employed. Full text publications of clinical trials written in English that compared the efficacy of sotalol to amiodarone were included in the analysis...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27903390/-current-status-of-antiarrhythmic-drug-use-and-safety-assessment-in-chinese-patients-with-atrial-fibrillation
#16
R He, X Du, S W Liu, L J Sun, Y Li, H Zeng, Y Y Li, C Sun, Y Zhang, C S Ma, W Gao
Objective: To investigate the current status of antiarrhythmic drugs (AADs) use in Chinese patients with atrial fibrillation(AF) and assess the safety of AADs in this patient cohort. Methods: From January 2011 to December 2013, a total of 4 008 AF patients treated with AADs was enrolled in this study and patients were followed up for 24 months. Detailed information of prescribed drug, the causes of drug discontinuation and side effects were recorded. Results: Amiodarone was prescribed to 64.3%(2 579 cases) and propafenone to 31...
November 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27876282/to-use-or-not-to-use-amiodarone-before-heart-transplantation
#17
Entela B Lushaj, Ravi Dhingra, Shahzad Chindhy, Shahab Akhter, Takushi Kohmoto, Susan Ulschmid, Satoru Osaki, Abbasali Badami, Lucian Lozonschi
BACKGROUND: Amiodarone frequently is used in patients with heart failure. Concerns still exist about possible complications related to its lingering effect during and after heart transplantation. METHODS: We selected all consecutive patients who received a heart transplant at our institution between January 2004 and December 2015 (n = 220) and compared the peri- and postoperative outcomes of patients who were taking amiodarone for at least 120 days before heart transplant (n = 127) with patients who did not take amiodarone prior to heart transplant (n = 93)...
November 19, 2016: Surgery
https://www.readbyqxmd.com/read/27794017/predictors-of-atrial-fibrillation-in-hypertrophic-cardiomyopathy
#18
Oliver P Guttmann, Menelaos Pavlou, Constantinos O'Mahony, Lorenzo Monserrat, Aristides Anastasakis, Claudio Rapezzi, Elena Biagini, Juan Ramon Gimeno, Giuseppe Limongelli, Pablo Garcia-Pavia, William J McKenna, Rumana Z Omar, Perry M Elliott
OBJECTIVES: Atrial fibrillation (AF) is associated with increased morbidity and mortality in patients with hypertrophic cardiomyopathy (HCM). The primary aim of this study (HCM Risk-AF) was to determine the predictors of AF in a large multicentre cohort of patients with HCM. Exploratory analyses were performed to investigate the association between AF and survival and the efficacy of antiarrhythmic therapy in maintaining sinus rhythm (SR). METHODS: A retrospective, longitudinal cohort of patients recruited between 1986 and 2008 in seven centres was used to develop multivariable Cox regression models fitted with preselected predictors...
October 28, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27779351/left-atrial-size-and-left-ventricular-end-systolic-dimension-predict-the-progression-of-paroxysmal-atrial-fibrillation-after-catheter-ablation
#19
Ying-Chieh Liao, Jo-Nan Liao, Li-Wei Lo, Yenn-Jiang Lin, Shih-Lin Chang, Yu-Feng Hu, Tze-Fan Chao, Fa-Po Chung, Ta-Chuan Tuan, Abigail Louise D Te, Rohit Walia, Shinya Yamada, Chung-Hsing Lin, Chin-Yu Lin, Yao-Ting Chang, Suresh Allamsetty, Wen-Chung Yu, Jing-Long Huang, Tsu-Juey Wu, Shih-Ann Chen
INTRODUCTION: Although rare, some paroxysmal atrial fibrillations (AF) still progress despite radiofrequency (RF) ablation. In the study, we evaluated the long-term efficacy of RF ablation and the predictors of AF progression. METHODS: A total of 589 paroxysmal AF patients (404 men and 185 women; aged 54 ± 12 years) who received 3-dimensional mapping and ablation were enrolled. Their clinical parameters and electrophysiological characteristics were collected. They were divided into Group 1 (N = 13, with AF progression) and Group 2 (N = 576, no AF progression)...
January 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27773406/a-randomized-placebo-controlled-trial-with-amiodarone-for-persistent-atrial-fibrillation-in-rheumatic-mitral-stenosis-after-successful-balloon-mitral-valvuloplasty
#20
Vinoth Kumar Vilvanathan, Budunur C Srinivas Prabhavathi Bhat, Manjunath Cholenahally Nanjappa, Bharathi Pandian, Vithal Bagi, Sridhar Kasturi, Shiva Kumar Bandimida
OBJECTIVE: Atrial fibrillation is the most common sustained arrhythmia in patients with rheumatic heart disease (RHD). This study was conducted to determine the maintenance of sinus rhythm with amiodarone therapy following DC cardioversion (DCCV), early after successful balloon mitral valvuloplasty (BMV). METHODS: Patients were randomized to amiodarone group and placebo group and their baseline characteristics were recorded. DCCV was done 48h after BMV. After cardioversion, oral amiodarone was started initially 200mg three times a day for 2 weeks, then 200mg twice daily for two weeks followed by 200mg once daily for 12 months...
September 2016: Indian Heart Journal
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