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supraventricular arrhythmias

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https://www.readbyqxmd.com/read/28431725/intraoperative-three-dimensional-mapping%C3%A2-of-supraventricular-tachycardia-in-a-young-fontan%C3%A2-patient
#1
James C Perry, Matthew R Williams, Suzanne Shepard, Andras Bratincsak, Cynthia Murphy, Raghav Murthy, Mohammad Ebrahim, John J Lamberti
Preoperative tachycardia is uncommon before an initial Fontan procedure. Catheter intervention can risk complications in small patients. A patient with fetal tachycardia and double inlet left ventricle underwent Norwood and bidirectional Glenn procedures. She had persistent tachycardia. A three-dimensional electroanatomic mapping system was modified for the operative procedure; it was used to identify the arrhythmia substrate and cryoablate an atrioventricular nodal tachycardia. Mapping added 20 minutes to the operation...
May 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28431074/european-heart-rhythm-association-ehra-consensus-document-on-the-management-of-supraventricular-arrhythmias-endorsed-by-heart-rhythm-society-hrs-asia-pacific-heart-rhythm-society-aphrs-and-sociedad-latinoamericana-de-estimulaci%C3%A3-n-cardiaca-y-electrofisiologia
#2
https://www.readbyqxmd.com/read/28412149/prevalence-of-arrhythmias-in-patients-with-type-2-diabetes-and-the-role-of-structural-changes-in-myocardium-in-their-development
#3
Petr Sarapultsev, Boris Yushkov, Alexey Sarapultsev
OBJECTIVE: The aim of the study was to evaluate the prevalence of arrhythmias in patients with type 2 diabetes and their relationships with the structural parameters of the heart. METHODS: A retrospective case-control study was conducted using clinical and biochemical profiles of patients with diabetes at the Endocrinology Centre and City Clinical Hospital No. 40, Ekaterinburg, Russia. RESULTS: The total study sample included 75 subjects. The average age (SD) was 48...
April 7, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28395912/dobutamine-stress-echocardiography-impact-of-abnormal-blood-potassium-levels-on-cardiac-arrhythmias
#4
Jared G Bird, Robert B McCully, Patricia A Pellikka, Garvan C Kane
BACKGROUND: Guidelines suggest that an abnormal blood potassium level is a relative contraindication to performing dobutamine stress echocardiography (DSE). However, this has not been previously studied. METHODS: We reviewed a consecutive series of patients who had potassium testing within 48 hours of undergoing DSE for the evaluation of myocardial ischemia over a 10-year period (N = 13,198). Normal potassium range in our laboratory is 3.6-5.2 mmol/L. Hemolyzed samples were not included...
April 7, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28388306/premature-ventricular-complex-is-more-prevalent-during-acute-exacerbated-than-stable-states-of-chronic-obstructive-pulmonary-disease-and-is-related-to-cardiac-troponin-t
#5
Gunnar Einvik, Rahul Bhatnagar, Nils Henrik Holmedahl, Anke Neukamm, Torbjørn Omland, Vidar Søyseth
During acute exacerbation of chronic obstructive pulmonary disease (AECOPD), myocardial stress may be aggravated. Sparse data exist concerning the prevalence and correlates of cardiac arrhythmias in the stable and exacerbated states of COPD. We hypothesized that AECOPD is associated with increased prevalence of cardiac arrhythmias independent of COPD-severity and co-morbidity, and explored possible mechanisms. A 24-hour Holter recording was obtained in 74 patients with stable COPD and 45 patients with AECOPD (mean age 54 years, 56% women)...
April 7, 2017: COPD
https://www.readbyqxmd.com/read/28381818/dronedarone-attenuates-the-duration-of-atrial-fibrillation-in-a-dog-model-of-sustained-atrial-fibrillation
#6
Nakkawee Saengklub, Vudhiporn Limprasutr, Suwanakiet Sawangkoon, Robert L Hamlin, Anusak Kijtawornrat
Atrial fibrillation (AF) is a supraventricular arrhythmia that leads to a decrease in cardiac output and impairs cardiac function and quality of life. Dronedarone has an atrial-selective property and has been used for management of AF in humans, but limited information is available in dogs. This study was designed to evaluate efficacy of dronedarone in attenuating the duration of AF in dog model of sustained AF. Six beagle dogs were anesthetized with isoflurane and instrumented to measure atrial action potential duration (aAPD) and atrial effective refractory period (AERP)...
April 4, 2017: Experimental Animals
https://www.readbyqxmd.com/read/28363353/propranolol-versus-digoxin-in-the-neonate-for-supraventricular-tachycardia-from-the-pediatric-health-information-system
#7
Elijah H Bolin, Sean M Lang, Xinyu Tang, R Thomas Collins
Conflicting data exist for the appropriate management of a neonate with supraventricular tachycardia (SVT). We sought to assess postnatal prescribing trends for neonates with SVT and to evaluate if there were therapy-specific mortality and resource utilization benefits. Nationally distributed data from 44 pediatric hospitals in the 2004 to 2015 Pediatric Health Information System database were used to identify patients admitted at ≤2 days of age with structurally normal hearts and treated with an antiarrhythmic medication...
March 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28359691/ablation-of-supraventricular-arrhythmias-in-adult-congenital-heart-disease-a-contemporary-review
#8
REVIEW
Nicolas Combes, Nicolas Derval, Sebastien Hascoët, Alexandre Zhao, Denis Amet, Mathieu Le Bloa, Alice Maltret, François Heitz, Jean-Benoit Thambo, Eloi Marijon
Supraventricular arrhythmias are an important and increasing cause of morbidity in adults with congenital heart disease, requiring specific management strategies. Pharmacological treatment has limited efficacy, and is often associated with some side-effects. Major improvements in catheter ablation techniques have opened new opportunities to better understand underlying mechanisms of supraventricular arrhythmias, offer better therapy, and eventually improve symptoms and quality of life in these patients. An array of tools and techniques are necessary to access relevant anatomical areas to address the arrhythmogenic substrate...
March 27, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28352633/bay%C3%A3-s-syndrome-and-acute-cardioembolic-ischemic-stroke
#9
REVIEW
Adrià Arboix, Lucía Martí, Sebastien Dorison, María José Sánchez
Bayés syndrome is an under-recognized clinical condition characterized by advanced interatrial block. Bayés syndrome is a subclinical disease that manifests electrocardiographically as a prolonged P wave duration > 120 ms with biphasic morphology ± in the inferior leads. The clinical relevance of Bayés syndrome lies in the fact that is a clear arrhythmological syndrome and has a strong association with supraventricular arrhythmias, particularly atypical atrial flutter and atrial fibrillation. Likewise, Bayés syndrome has been recently identified as a novel risk factor for non-lacunar cardioembolic ischemic stroke and vascular dementia...
March 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28349066/circulating-micrornas-as-potential-biomarkers-of-atrial-fibrillation
#10
REVIEW
Ananília Medeiros Gomes da Silva, Jéssica Nayara Góes de Araújo, Renata Caroline Costa de Freitas, Vivian Nogueira Silbiger
Atrial fibrillation (AF) is the most common supraventricular arrhythmia in the population. MicroRNAs (small endogenous noncoding RNAs) are attractive candidates as biomarkers for AF, especially considering that miRNAs are stable and are detected within easily accessible biofluids such as blood. In this review, we selected twelve studies (2012 to 2016) that were classified according to the sample type. We aimed to provide an overview of the role of circulating miRNAs in AF and to discuss the variability of the results, seeking to improve the perspective of the use of miRNAs as potential noninvasive biomarkers for this heart disease...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28341981/meta-analysis-of-fontan-procedure-extracardiac-conduit-vs-intracardiac-lateral-tunnel
#11
REVIEW
J Zheng, Z Li, Q Li, X Li
This meta-analysis was designed to determine the effect of an intracardiac lateral tunnel (ILT) versus an extracardiac conduit (ECC) on patients undergoing a Fontan procedure. A search of the literature in PubMed, Embase, China Academic Literature, and Wanfang databases yielded 23 studies comprising approximately 1000 patients for analysis. There were statistically significant differences between ILT and ECC in the frequency of early sinus node dysfunction, early total arrhythmias, late supraventricular tachycardia, late sinus node dysfunction, late total arrhythmias, and need for pacemaker...
March 24, 2017: Herz
https://www.readbyqxmd.com/read/28338297/atrial-flutter-regression-in-hiv-associated-pulmonary-arterial-hypertension-after-treatment-with-bosentan
#12
Mario Francesco Damiani, Cristina Scoditti, Elioda Bega, Silvano Dragonieri, Pierluigi Carratù, Alfredo Scoditti, Onofrio Resta
Pulmonary arterial hypertension (PAH) is a rare condition characterized by an increase in pulmonary arterial resistance leading to right heart failure and death. Arrhythmias are a growing problem in PAH; therefore, maintenance of sinus rhythm is considered to be an important treatment aim in these patients. We described the case of a 46-year-old woman with HIV-associated pulmonary arterial hypertension  who developed atrial flutter. After treatment with bosentan, it was observed a significant improvement in clinical and haemodynamic parameters...
November 29, 2016: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28336184/atrial-fibrillation-management-in-a-breeding-stallion
#13
N Heliczer, K Mitchell, O Lorello, J Dauvillier, D Burger, C C Schwarzwald, C Navas de Solis
A 20-year-old warmblood breeding stallion presented to a University practice for semen collection and evaluation was incidentally diagnosed with atrial fibrillation (AF). Electrocardiogram recordings during breeding revealed inappropriately rapid tachycardia and occasional ventricular premature depolarizations/aberrant ventricular conduction. Transvenous electrical cardioversion was performed. After successful cardioversion the horse displayed supraventricular ectopy and atrial contractile dysfunction and was administered sotalol hydrochloride in an attempt to decrease the risk of AF recurrence...
March 20, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28329395/long-term-symptom-improvement-and-patient-satisfaction-following-catheter-ablation-of-supraventricular-tachycardia-insights-from-the-german-ablation-registry
#14
Johannes Brachmann, Thorsten Lewalter, Karl-Heinz Kuck, Dietrich Andresen, Stephan Willems, Stefan G Spitzer, Florian Straube, Burghard Schumacher, Lars Eckardt, Dejan Danilovic, Dierk Thomas, Matthias Hochadel, Jochen Senges
Aims: To analyse outcomes of supraventricular tachycardia (SVT) ablations performed within a prospective German Ablation Quality Registry. Methods and results: Data from 12 566 patients who underwent catheter ablation of SVT between January 2007 and January 2010 to treat atrial fibrillation (AFIB, 37.2% of procedures), atrial flutter (AFL, 29.9%), atrioventricular nodal re-entrant tachycardia (AVNRT, 23.2%), atrioventricular re-entrant tachycardia (6.3%), and focal atrial tachycardia (AT, 3...
March 17, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28328585/mechanical-support-with-impella-during-malignant-arrhythmia-ablation-a-case-report-on-the-growing-trend-in-the-electrophysiology-laboratory
#15
Adam C Adler, Ramesh Kodavatiganti
Congenitally corrected transposition of the great arteries is a rare form of congenital heart disease in which the persistence of the right ventricle as the systemic ventricle leads to heart failure, tricuspid valve insufficiency, and arrhythmia. Supraventricular arrhythmias are especially common in these patients. We discuss the anesthetic management of a 33-year-old patient with congenitally corrected transposition of the great arteries who required a ventricular assist device to maintain cardiac output during ablation of supraventricular tachyarrythmia...
March 17, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28294644/electrocardiogram-changes-and-atrial-arrhythmias-in-individuals-carrying-sodium-channel-scn5a-d1275n-mutation
#16
Sari U M Vanninen, Kjell Nikus, Katriina Aalto-Setälä
INTRODUCTION: The cardiac sodium channel SCN5A regulates atrioventricular and ventricular depolarization as well as cardiac conduction. Patients with cardiac electrical abnormalities have an increased risk of sudden cardiac death (SCD) and cardio-embolic stroke. Optimal management of cardiac disease includes the understanding of association between the causative mutations and the clinical phenotype. A 12-lead electrocardiogram (ECG) is an easy and inexpensive tool for finding risk patients...
March 15, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28290796/-sudden-cardiac-death-in-patients-with-chronic-obstructive-pulmonary-disease
#17
N A Karoli, A P Rebrov
The article contains review of data on the problem of sudden cardiac death (SCD) in patients with chronic obstructive pulmonary disease (COPD). Large studies have shown that risk of cardiovascular mortality in patients with chronic obstructive pulmonary disease (COPD) is 2-3 times greater than in general population. The incidence of COPD and ischemic heart disease (IHD) progressively rises with age. Combination of these diseases is often observed in clinical practice among patients older than 40 years. According to the population study published in 2015 COPD has been associated with elevated risk of SCD especially in patients with frequent exacerbations within 5 years after diagnosis...
February 2017: Kardiologiia
https://www.readbyqxmd.com/read/28270260/what-is-the-diagnostic-value-of-the-paediatric-exercise-tolerance-test-results-from-a-uk-centre
#18
Magdalena A Sajnach-Menke, Sarah C Walpole
Purpose The aim of this study was to determine whether the exercise tolerance test can provide diagnostic and prognostic information regarding children and young adults and help predict outcome. METHODS: A total of 87 patients, aged 7-29 years (median 13, mean 13.4) were selected retrospectively. They underwent exercise test at the Freeman Hospital from December, 2015 to May, 2016. There were two groups of patients - 46 had symptoms such as chest pain, palpitations, syncope, or dyspnoea on exertion and no cardiac diagnosis, and 40 patients had a cardiac diagnosis such as hypertrophic cardiomyopathy, transposition of the great arteries with post-arterial switch operation, aortic stenosis or regurgitation, tetralogy of Fallot, abnormal coronary arteries, Wolff-Parkinson-White syndrome, or supraventricular tachycardia...
March 8, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28265962/treatment-of-fetal-supraventricular-tachycardia
#19
REVIEW
Bridget B Zoeller
Fetal arrhythmia is a common reason for referral to fetal cardiology. Fetal supraventricular tachycardia can be subdivided into several groups with the most common being re-entrant supraventricular tachycardia and atrial flutter. Fetal tachycardia can lead to hydrops fetalis, which increases the risk of fetal demise, perinatal morbidities, and premature delivery. The diagnosis of fetal tachycardia can be a challenge as a traditional electrocardiogram cannot be completed on a fetus, and other methods must be used by fetal echocardiogram...
January 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28260711/two-cases-of-acute-gastric-dilation-after-radiofrequency-catheter-ablation-for-supraventricular-arrhythmia
#20
Masayuki Ueno, Yuichi Shimodate, Yousuke Mitani, Akira Doi, Naoyuki Nishimura, Hirokazu Mouri, Hiroyuki Takabatake, Kazuhiro Matsueda, Hiroshi Yamamoto, Motowo Mizuno
We describe our experience with two cases of acute gastric dilation after radiofrequency catheter ablation (RFCA) for supraventricular arrhythmia. After the RFCA procedure, patients experienced epigastric pain, abdominal distension, and vomiting. Computed tomography showed marked dilation of their stomachs, but without apparent obstruction of the gastric antrum or the duodenum. Esophagogastroduodenoscopy and upper gastrointestinal series revealed significant gastroparesis. We considered that gastric hypomotility had been induced by vagus nerve injury after RFCA...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
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