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https://www.readbyqxmd.com/read/28645513/atrial-fibrillation-current-therapies
#1
REVIEW
Romain Pariaut
A rate control or a rhythm control strategy can be applied to the management of atrial fibrillation. Rate control of atrial fibrillation consists of decreasing the ventricular response rate by limiting the number of supraventricular impulses that can travel through the atrioventricular node. The goal of decreasing heart rate in dogs with atrial fibrillation is usually achieved with a combination of the calcium channel blocker diltiazem and digoxin. Rhythm control of atrial fibrillation encompasses pharmacologic and nonpharmacologic methods to terminate the arrhythmia and restore sinus rhythm...
June 20, 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28643175/-clinical-aspects-of-treatment-with-amiodarone
#2
REVIEW
W Haverkamp, C Israel, A Parwani
Amiodarone has multiple and complex electrophysiological effects that render it a very effective antiarrhythmic drug for the treatment of both, supraventricular and ventricular arrhythmias. Proarrhythmic effects of amiodarone in patients with structural heart disease are rare. However, extracardiac adverse effects occurring in association with amiodarone treatment are frequent and feared. These adverse effects have usually been related to total amiodarone exposure (i. e., dose and duration of treatment)...
June 22, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28642714/comparative-effectiveness-of-acupuncture-and-antiarrhythmic-drugs-for-the-prevention-of-cardiac-arrhythmias-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#3
Yanda Li, Hector Barajas-Martinez, Bo Li, Yonghong Gao, Zhenpeng Zhang, Hongcai Shang, Yanwei Xing, Dan Hu
Introduction and Objectives: This study was designed to systematically evaluate the effectiveness of acupuncture treatment for arrhythmia compared to existing drug therapy. Methods: Randomized controlled trials (RCTs) were identified through searches of the MEDLINE, CNKI, Embase, and Cochrane databases (1970 through 2016) and hand searches of cross-references from original articles and reviews. Clinical trials that randomized arrhythmia patients to acupuncture therapy vs. conventional drugs, sham acupuncture, or bed rest were included for analysis...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28639986/chitinase-3-like-protein-1-ykl-40-before-and-after-therapy-in-supraventricular-arrhythmias
#4
Nikolaos Michelakakis, Georgios J Neroutsos, Anastasia S Perpinia, Dimitrios Farmakis, Eugenia G Voukouti, Apostolos J Karavidas, John Parissis, Maria T Georgiakaki, Vlassios N Pyrgakis
BACKGROUND: The inflammatory glycoprotein chitinase-3-like protein 1 or YKL-40 has emerged as a potential biomarker of cardiovascular diseases, including atrial fibrillation (AFib). We sought to assess YKL-40 in a wide spectrum of supraventricular arrhythmias besides AFib in comparison with other inflammatory markers. METHODS: We determined serum levels of YKL-40, C-reactive protein (CRP) and IL-6 in 70 patients with AFib, atrial flutter, atrioventricular node reentry tachycardia or other supraventricular tachycardias before, immediately after therapy and 1 week after therapy; 20 healthy patients served as controls...
July 20, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28638298/uncertainty-of-myocardial-perfusion-imaging-in-chest-pain-risk-stratification
#5
Htoo Kyaw, Sivacharan Buddhavarapu, Joseph Abboud, Deepika Misra
BACKGROUND: Chest pain is a common presenting symptom in the emergency department (ED). Although the diagnostic workup for chest pain is well established, the best time to perform invasive cardiac catheterization in patients with low to moderate risk of coronary artery disease is still unclear, particularly if noninvasive tests such as the electrocardiogram (ECG) and nuclear myocardial perfusion scan show nonsignificant findings. CASE REPORT: We present the case of a 52-year-old female who presented to the ED with acute-onset chest pain that had started early in the morning while she was sleeping...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28617528/influence-of-ablation-therapy-on-the-quality-of-life-in-children-with-supraventricular-tachycardia
#6
E Szafran, A Baszko, A Bukowska-Posadzy, A Łaźniak, T Moszura, A Siwińska, J Walkowiak, W Bobkowski
OBJECTIVE: Numerous restrictions, which are imposed on children with arrhythmia, influence their quality of life (QoL) and may have a negative impact on their further development. Ablation is a highly successful treatment leaving patients free from arrhythmia and other related limitations. There are very few studies evaluating the influence of ablation on the QoL in children with arrhythmia, based on small groups of patients. The aim of this study was to evaluate the impact of ablation on the QoL in children with supraventricular tachycardia (SVT)...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28611030/association-between-mutation-size-and-cardiac-involvement-in-myotonic-dystrophy-type-1-an-analysis-of-the-dm1-heart-registry
#7
Caroline Chong-Nguyen, Karim Wahbi, Vincent Algalarrondo, Henri Marc Bécane, Hélène Radvanyi-Hoffman, Pauline Arnaud, Denis Furling, Arnaud Lazarus, Guillaume Bassez, Anthony Béhin, Abdallah Fayssoil, Pascal Laforêt, Tanya Stojkovic, Bruno Eymard, Denis Duboc
BACKGROUND: In myotonic dystrophy type 1, the association between mutation size (CTG expansion) and the severity of cardiac involvement is controversial. METHODS AND RESULTS: We selected 855 patients with myotonic dystrophy type 1 (women, 51%; median age, 37 years), with genetic testing performed at the moment of their initial cardiac evaluation, out of 1014 patients included in the Myotonic Dystrophy Type 1-Heart Registry between January 2000 and December 2015...
June 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28603590/antitachycardia-pacing-programming-in-implantable-cardioverter-defibrillator-a-systematic-review
#8
REVIEW
Elia De Maria, Daniele Giacopelli, Ambra Borghi, Letizia Modonesi, Stefano Cappelli
Implantable cardioverter defibrillator (ICD) programming involves several parameters. In recent years antitachycardia pacing (ATP) has gained an increasing importance in the treatment of ventricular arrhythmias, whether slow or fast. It reduces the number of unnecessary and inappropriate shocks and improves both patient's quality of life and device longevity. There is no clear indication regarding the type of ATP to be used, except for the treatment of fast ventricular tachycardias (188 bpm-250 bpm) where it has been shown a greater efficacy and safety of burst compared to ramp; 8 impulses in each sequence of ATP appears to be the best programming option in this setting...
May 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28595345/supraventricular-arrhythmias-in-patients-with-arrhythmogenic-right-ventricular-dysplasia-cardiomyopathy-associate-with-long-term-outcome-after-catheter-ablation-of-ventricular-tachycardias
#9
Andreas Müssigbrodt, Helge Knopp, Elena Efimova, Alexander Weber, Livio Bertagnolli, Sebastian Hilbert, Jedrzej Kosiuk, Borislav Dinov, Kerstin Bode, Simon Kircher, Nikolaos Dagres, Sergio Richter, Philipp Sommer, Daniela Husser, Andreas Bollmann, Gerhard Hindricks, Arash Arya
Aims: This study aimed to assess the impact of supraventricular tachycardia (SVT) on long-term results of radiofrequency catheter ablation therapy of ventricular tachycardia (VT) in a large cohort of patients with arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C). Methods and results: Supraventricular tachycardia occurrence has been studied in patients from our ARVD/C registry (70 patients, 48 male, age 53.2 ± 14.0, 45 patients (64.3%) with previous VT ablation)...
June 7, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28593735/new-insights-into-the-clinical-signs-of-supraventricular-tachycardia-the-sign-of-lace-tying
#10
Dominique Blommaert, Fabien Dormal, Olivier Deceuninck, Olivier Xhaet, Elisabeth Ballant, Luc De Roy
BACKGROUND: Supraventricular tachycardias (SVT) are a common arrhythmia therefore an accurate diagnosis is of clinical importance. Although an ECG performed during tachycardia greatly aids diagnosis, patient history and predisposing factors also improve diagnostic accuracy. METHODS: This prospective study included 100 consecutive patients undergoing electrophysiological study for SVT with the aim to reassess their clinical characteristics and describe frequent predisposing factors, such as the "sign of lace-tying" that to our knowledge has not previously been reported...
June 8, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28573824/bone-cement-cardiac-and-pulmonary-embolism
#11
Tomás F Cianciulli, Diego E Mc Loughlin, Luis A Morita, María C Saccheri, Jorge A Lax
This case describes a complication of bone cement use. A 65-year-old male patient with back spine trauma caused by a fall, underwent a percutaneous vertebroplasty. Five years later, he consulted for palpitations, and the electrocardiogram showed supraventricular arrhythmia. A transthoracic two-dimensional echocardiography showed a hyperechogenic linear structure of 7 cm length, running from the lateral wall of the right ventricle to the right atrium through the tricuspid valve. This foreign body, which was suspicious for bone cement embolism, appeared rigid and was attached at the lateral wall of the right ventricle, with its proximal end free in the right atrium...
June 1, 2017: Echocardiography
https://www.readbyqxmd.com/read/28573445/cardiac-arrhythmias-in-patients-with-exacerbation-of-copd
#12
Tomasz Rusinowicz, Tadeusz M Zielonka, Katarzyna Zycinska
Supraventricular and ventricular arrhythmias are common among patients with chronic obstructive pulmonary disease (COPD). Multiple factors can contribute to the development of arrhythmias in patients with exacerbation of the disease, including: respiratory or heart failure, hypertension, coronary disease and also medications. In the present study we seek to determine the prevalence of cardiac arrhythmias and risk factors among patients with exacerbation of COPD. The study was a retrospective evaluation of 2753 24-h Holter recordings of patients hospitalized in 2004-2016...
June 2, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28571241/acute-respiratory-distress-syndrome-complicated-by-amiodarone-induced-pulmonary-fibrosis-don-t-let-your-guard-down
#13
Vipin Kumar Singh, Vijeta Maheshwari
Amiodarone is an antiarrhythmic agent which is commonly used to treat both supraventricular and ventricular arrhythmias. This iodine containing compound has been associated with several adverse events like it tends to accumulate in several organs. Among those, the most serious is Amiodarone Pulmonary Toxicity (APT). While the incidence of this complication has decreased with the use of lower doses of amiodarone but it can occur with any dose. Pulmonary complications usually present as an acute or subacute pneumonitis...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28543790/are-heart-rate-monitors-valuable-tools-for-diagnosing-arrhythmias-in-endurance-athletes
#14
R Gajda, E K Biernacka, W Drygas
Millions of physically active individuals worldwide use heart rate monitors (HRMs) to control their exercise intensity. In many cases, the HRM indicates an unusually high heart rate (HR) or even arrhythmias during training. Unfortunately, studies assessing the reliability of these devices to help control HR disturbances during exercise do not exist. We examined 142 regularly training endurance runners and cyclists, aged 18-51 years, with unexplained HR abnormalities indicated by various HRMs to assess the utility of HRMs in diagnosing exertion-induced arrhythmias...
May 19, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28541499/hypertension-and-cardiac-arrhythmias-executive-summary-of-a-consensus-document-from-the-european-heart-rhythm-association-ehra-and-esc-council-on-hypertension-endorsed-by-the-heart-rhythm-society-hrs-asia-pacific-heart-rhythm-society-aphrs-and-sociedad-latinoamericana
#15
Gregory Y H Lip, Antonio Coca, Thomas Kahan, Giuseppe Boriani, Antonis S Manolis, Michael Hecht Olsen, Ali Oto, Tatjana S Potpara, Jan Steffel, Francisco Marín, Márcio Jansen de Oliveira Figueiredo, Giovanni de Simone, Wendy S Tzou, Chern En Chiang, Bryan Williams
Hypertension (HTN) is a common cardiovascular risk factor leading to heart failure (HF), coronary artery disease (CAD), stroke, peripheral artery disease and chronic renal failure. Hypertensive heart disease can manifest as many types of cardiac arrhythmias, most commonly being atrial fibrillation (AF). Both supraventricular and ventricular arrhythmias may occur in HTN patients, especially in those with left ventricular hypertrophy (LVH), CAD, or HF. In addition, high doses of thiazide diuretics commonly used to treat HTN, may result in electrolyte abnormalities (e...
June 20, 2017: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/28541122/chance-of-surgery-in-adult-congenital-heart-disease
#16
Carianne L Verheugt, Cuno Spm Uiterwaal, Ilonca Vaartjes, Enno T van der Velde, A C Zomer, Folkert J Meijboom, Petronella G Pieper, Marco C Post, Hubert W Vliegen, Mark G Hazekamp, Diederick E Grobbee, Barbara Jm Mulder
Background Young patients with congenital heart disease reaching adulthood face mandatory transition to adult cardiology. Their new cardiologist needs to assess the chances of major future events such as surgery. Using a large national registry, we assessed if patient characteristics at the age of 18 years could predict the chance of congenital heart surgery in adulthood. Design and methods Of 10,300 patients from the CONCOR national registry, we used general patient characteristics at age 18 years, underlying congenital heart defect, history of complications, and interventions in childhood as potential predictors of congenital heart surgery occurring from age 18 years up to age 40 and 60 years...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28525585/the-effects-of-gender-on-electrical-therapies-for-the-heart-physiology-epidemiology-and-access-to-therapies-a-report-from-the-xii-congress-of-the-italian-association-on-arrhythmology-and-cardiostimulation-aiac
#17
Giuseppe Boriani, Stefano Lorenzetti, Elisabetta Cerbai, Giuseppe Oreto, Gabriele Bronzetti, Vincenzo Livio Malavasi, Alessandro Biffi, Luigi Padeletti, Gianluca Botto, Igor Diemberger
The difference between men and women is clear even just by looking at an electrocardiogram: females present higher resting heart rate, a shorter QRS complex length and greater corrected QT interval. The development of these differences from pubertal age onward suggests that sexual hormones play a key role, although their effect is far from being completely understood. Different incidences between sexes have been reported for many arrhythmias, both ventricular and supraventricular, and also for sudden cardiac death...
May 19, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28523857/arrhythmia-burden-and-related-outcomes-in-eisenmenger-syndrome
#18
Shankar Baskar, Philippa Horne, Samantha Fitzsimmons, Philip R Khoury, Joseph Vettukattill, Koichiro Niwa, Teiji Agaki, Mark Spence, Hisanori Sakazaki, Gruschen Veldtman
BACKGROUND: Patients with Eisenmenger syndrome have a shorter lifespan than the general population. A significant proportion develop arrhythmia and some, sudden death. OBJECTIVE: The aims of this study were to characterize the frequency, type and effects of arrhythmias in adult patients with Eisenmenger's syndrome and to identify risk factors for arrhythmias. METHODS: This retrospective study included patients aged ≥ 18 years of age with Eisenmenger's syndrome from three institutions...
May 19, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28520959/the-effects-of-gender-on-electrical-therapies-for-the-heart-procedural-considerations-results-and-complications-a-report-from-the-xii-congress-of-the-italian-association-on-arrhythmology-and-cardiostimulation-aiac
#19
Igor Diemberger, Raffaella Marazzi, Michela Casella, Francesca Vassanelli, Paola Galimberti, Mario Luzi, Alessio Borrelli, Ezio Soldati, Pier Giorgio Golzio, Stefano Fumagalli, Pietro Francia, Luigi Padeletti, Gianluca Botto, Giuseppe Boriani
Use of cardiac implantable devices and catheter ablation is steadily increasing in Western countries following the positive results of clinical trials. Despite the advances in scientific knowledge, tools development, and techniques improvement we still have some grey area in the field of electrical therapies for the heart. In particular, several reports highlighted differences both in medical behaviour and procedural outcomes between female and male candidates. Women are referred later for catheter ablation of supraventricular arrhythmias, especially atrial fibrillation, leading to suboptimal results...
May 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28502326/k-and-mg-2-dyshomeostasis-in-acute-hyperadrenergic-stressor-states
#20
REVIEW
Mannu Nayyar, Jawwad Yusuf, M Usman Khan, Karl T Weber
Acute stressor states are linked to neurohormonal activation that includes the adrenergic nervous system. Elevations in circulating epinephrine and norepinephrine unmask an interdependency that exists between K(+) and Mg(2+) based on their regulation of a large number of Mg(2+)-dependent Na(+)-K(+)-ATPase pumps present in skeletal muscle. The hyperadrenergic state accounts for a sudden translocation of cations into muscle with the rapid appearance of hypokalemia and hypomagnesemia. The resultant hypokalemia and hypomagnesemia will cause a delay in myocardial repolarization and electrocardiographic QTc prolongation raising the propensity for supraventricular and ventricular arrhythmias...
May 2017: American Journal of the Medical Sciences
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