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treatment atrial fibrillation

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https://www.readbyqxmd.com/read/28443594/diastolic-electrocardiographic-parameters-predict-implantable-device-detected-asymptomatic-atrial-fibrillation
#1
Ahmet İlker Tekkeşin, Yalçın Velibey, Ceyhan Türkkan, Ahmet Taha Alper, Yasin Çakıllı, Tolga Sinan Güvenç, Ozan Tanık, Adnan Kaya, Özlem Yıldırımtürk, Nazmiye Özbilgin, Özge Güzelburç, Ahmet Öz, Regayip Zehir, Kadir Gürkan
BACKGROUND: Atrial fibrillation (AF) is the most common clinically significant arrhythmia. It is now established that atrial high rate episodes (AHRE) correlate highly with AF. AIMS: Present study aimed to investigate the relation between diastolic electrocardiographic parameters and subclinical AF detected by cardiac implantable electronic devices. STUDY DESIGN: This study was cross-sectional study that included a total of 203 patients who had a DDDR pacemaker due to sinus node dysfunction...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28440455/%C3%AE-adrenoceptor-mediated-enhanced-inducibility-of-atrial-fibrillation-in-a-canine-system-inflammation-model
#2
Ying-Ying Chen, Ze-Wei Sun, Jian-Ping Jiang, Xiao-Dong Kang, Lin-Lin Wang, Yue-Liang Shen, Xu-Dong Xie, Liang-Rong Zheng
The exact mechanism associated with inflammation and atrial fibrillation (AF) remains unknown. The aim of the present study was to investigate the roles of connexin 43 (Cx43) and a1‑adrenergic receptor (α1‑AR) activation in the pathogenesis of system inflammation‑induced AF. A canine model of chronic low‑grade system inflammation was established by administrating a low dose of lipopolysaccharide (LPS; 0.1 µg/kg) for 2 weeks. Programmed stimulation was applied on the right atrial appendage to determine the effective refractory periods (ERP) and the window of vulnerability (WOV)...
April 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28439778/dabigatran-etexilate-appropriate-use-in-patients-with-chronic-kidney-disease-and-in-the-elderly-patients
#3
REVIEW
Mauro Molteni, Mario Bo, Giovanni Di Minno, Giuseppe Di Pasquale, Simonetta Genovesi, Danilo Toni, Paolo Verdecchia
Dabigatran etexilate (DE) is a direct thrombin inhibitor, which has been approved for the treatment of non-valvular atrial fibrillation (AF), and for the prevention and treatment of venous thromboembolism (VTE). Despite large randomized clinical trials and independent observational studies providing robust data concerning DE safety and efficacy, some physicians still perceive mild-to-moderate renal impairment and old age as a relative contraindication to its use. In this article, we review the available scientific evidence supporting the use of DE in these clinical situations...
April 24, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28439618/-radiofrequency-current-or-cryoballoon-for-ablation-of-atrial-fibrillation-hot-or-cold
#4
B Reissmann, K-H Kuck, A Metzner
Atrial fibrillation (AF) is the most common form of cardiac arrhythmia. The aim of therapy in symptomatic patients is the establishment of a stable sinus rhythm (SR). Catheter ablation with isolation of the pulmonary veins is the essential component of all forms of ablation therapy and provides the most effective treatment option. The most frequently used technologies for pulmonary vein isolation (PVI) are radiofrequency current (RFC)-based and cryoballoon (CB)-guided ablation. Irrespective of the simplification of PVI, CB ablation is characterized by a short learning curve and short procedural times and demonstrated non-inferiority with respect to safety and efficacy when directly compared to RFC ablation for the treatment of patients with paroxysmal AF; however, the clinical outcome in patients with persistent AF is often insufficient when performing pulmonary vein isolation (PVI) alone for stabilization of SR...
April 24, 2017: Herz
https://www.readbyqxmd.com/read/28439617/-stroke-prophylaxis-in-atrial-fibrillation-when-how-and-for-whom
#5
T Maurer, C Sohns
In patients suffering from atrial fibrillation (AF), modern antithrombotic therapy and anticoagulation strategies should be individualized based on shared decision making including patient preferences and the absolute and relative risks of stroke and bleeding. Estimation of the individual risk for stroke is still based on the CHA2DS2-VASc score. Based on the most recent guidelines for the management of AF, oral anticoagulation therapy should be considered for men with a CHA2DS2-VASc score ≥1 and women with a score ≥2, balancing the expected stroke reduction, risk of bleeding and patient preference...
April 24, 2017: Herz
https://www.readbyqxmd.com/read/28436106/therapeutic-plasma-exchange-as-part-of-multimodal-treatment-of-acquired-hemophilia-in-a-patient-with-concurrent-acute-intracerebral-bleed-and-pulmonary-embolism
#6
Geoffrey D Wool, David Chapel, Angela Treml, Jonathan L Miller
BACKGROUND: Autoantibodies against Factor VIII (FVIII) define the rare but life-threatening bleeding disorder acquired hemophilia A (AHA). Correction of FVIII deficiency and eradication of the factor inhibitor are the ultimate therapeutic goals in this disorder. Bypassing agents such as recombinant factor VIIa (rFVIIa) or FVIII inhibitor bypassing agent are often used to control coagulopathy before the inhibitor is eradicated. Bypassing agents carry a risk of thrombosis, however. CASE REPORT: We report a patient with newly diagnosed AHA and thalamic bleed who additionally had active atrial fibrillation and developed a segmental pulmonary embolism, limiting tolerable rFVIIa dosage...
April 24, 2017: Transfusion
https://www.readbyqxmd.com/read/28435476/successful-treatment-of-bullous-lichen-planus-with-acitretin-monotherapy-review-of-treatment-options-for-bullous-lichen-planus-and-case-report
#7
Efstathios Rallis, Angeliki Liakopoulou, Constantinos Christodoulopoulos, Alexandros Katoulis
BACKGROUND: Bullous lichen planus (BLP) is a rare variant of lichen planus, characterized by the development of vesicular and bullous lesions, of skin, nails, hair and/or mucosa. MAIN OBSERVATIONS: We present a case of 63-year-old woman with BLP, unresponsive to previous therapies with topical corticosteroids, topical calcipotriol, antihistamines and oral cyclosporine (4 mg/kg/day for 4 months). She was already receiving treatment for arterial hypertension, hyperlipidemia, atrial fibrillation and uncontrolled diabetes mellitus...
December 31, 2016: Journal of Dermatological Case Reports
https://www.readbyqxmd.com/read/28434446/revisiting-pulmonary-vein-isolation-alone-for-persistent-atrial-fibrillation-a-systematic-review-and-meta-analysis
#8
Aleksandr Voskoboinik, Jeremy T Moskovitch, Nadav Harel, Prashanthan Sanders, Peter M Kistler, Jonathan M Kalman
BACKGROUND: Early studies demonstrated relatively low success rates for pulmonary vein isolation (PVI) alone in patients with persistent atrial fibrillation (PeAF). However, the advent of new technologies and the observation that additional substrate ablation does not improve outcomes have created a new focus on PVI alone for treatment of PeAF. OBJECTIVE: The purpose of this study was to systematically review the recent medical literature to determine current medium-term outcomes when a PVI-only approach is used for PeAF...
May 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28433958/feasibility-and-safety-of-vitamin-k-antagonist-monotherapy-in-atrial-fibrillation-patients-undergoing-transcatheter-aortic-valve-implantation
#9
Nicolas A Geis, Christina Kiriakou, Emmanuel Chorianopoulos, Sven T Pleger, Hugo A Katus, Raffi Bekeredjian
AIMS: We aimed to assess the efficacy and safety of vitamin K antagonist (VKA) monotherapy in atrial fibrillation (AF) patients undergoing transcatheter aortic valve implantation (TAVI). METHODS AND RESULTS: In 735 TAVIs since 2008 we identified 167 patients suffering from concomitant AF who received either VKA monotherapy (n=77), VKA plus single antiplatelet therapy (SAPT, n=41) or a triple anticoagulation regimen (n=49). Thromboembolic as well as bleeding complications were analysed for six months after TAVI...
April 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28433667/cognitive-impairment-and-heart-failure-systematic-review-and-meta-analysis
#10
REVIEW
Jane A Cannon, Peter Moffitt, Ana Cristina Perez-Moreno, Matthew R Walters, Niall M Broomfield, John J V McMurray, Terence J Quinn
BACKGROUND: Cognitive impairment and dementia are associated with a range of cardiovascular conditions including hypertension, coronary artery disease and atrial fibrillation. We aimed to describe the association with heart failure, summarising published data to give estimates around prevalence, incidence and relative risk of cognitive impairment/dementia in heart failure. METHODS: We searched multidisciplinary databases including MEDLINE (OVID), EMBASE (OVID), CINAHL (EBSCO), PsychINFO (EBSCO), Web of Science (Thomson Reuters) and CENTRAL (Cochrane Library) from inception until 31(st) May 2015...
April 19, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28433206/efficacy-and-safety-of-rivaroxaban-versus-warfarin-in-patients-from-mainland-china-with-nonvalvular-atrial-fibrillation-a-subgroup-analysis-from-the-rocket-af-trial
#11
Yihong Sun, Dayi Hu, Susanna Stevens, Yuliya Lokhnygina, Richard C Becker, Scott D Berkowitz, Günter Breithardt, Werner Hacke, Jonathan L Halperin, Graeme J Hankey, Kenneth W Mahaffey, Christopher C Nessel, Jonathan P Piccini, Daniel E Singer, Keith A A Fox, Manesh R Patel
BACKGROUND: The ROCKET AF study evaluated once-daily rivaroxaban versus dose-adjusted warfarin for the prevention of stroke and systemic embolism in patients with atrial fibrillation (AF). In this analysis, we compared rivaroxaban with warfarin in patients with AF from China, East Asia, and the rest of the world (ROW). METHODS AND RESULTS: We assessed baseline demographics and interaction of treatment effects of rivaroxaban versus warfarin among patients from mainland China, other East Asian countries, and ROW...
April 13, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28432712/stroke-etiology-and-collaterals-atheroembolic-strokes-have-greater-collateral-recruitment-than-cardioembolic-strokes
#12
L C Rebello, M Bouslama, D C Haussen, J A Grossberg, S Dehkharghani, A Anderson, S R Belagaje, N A Bianchi, M Grigoryan, M R Frankel, R G Nogueira
BACKGROUND AND PURPOSE: Chronic hypoperfusion from athero-stenotic lesions is thought to lead to better collateral recruitment compared to cardioembolic strokes. It was sought to compare collateral flow in stroke patients with atrial fibrillation (AF) versus stroke patients with cervical atherosclerotic steno-occlusive disease (CASOD). METHOD: This was a retrospective review of a prospectively collected endovascular database. Patients with (i) anterior circulation large vessel occlusion stroke, (ii) pre-treatment computed tomography angiography (CTA) and (iii) intracranial embolism from AF or CASOD were included...
April 21, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28432528/conventional-acupuncture-for-cardiac-arrhythmia-a-systematic-review-of-randomized-controlled-trials
#13
Jing Liu, Si-Nai Li, Lu Liu, Kun Zhou, Yan Li, Xiao-Yun Cui, Jie Wan, Jin-Jin Lu, Yan-Chao Huang, Xu-Sheng Wang, Qian Lin
OBJECTIVE: To exam the effect and safety of conventional acupuncture (CA) on cardiac arrhythmia. METHODS: Nine medical databases were searched until February 2016 for randomized controlled trials. Heterogeneity was measured by Cochran Q test. Meta-analysis was conducted if I(2) was less than 85% and the characteristics of included trials were similar. RESULTS: Nine qualified studies involving 638 patients were included. Only 1 study had definitely low risk of bias, while 7 trials were rated as unclear and 1 as high...
April 22, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28431475/validation-of-the-essen-stroke-risk-score-in-different-subtypes-of-ischemic-stroke
#14
Yi Liu, Yongjun Wang, William A Li, Aoshuang Yan, Yilong Wang
OBJECTIVE: Predictive scores are important tools for stratifying patients based on their risk of future vascular events and for selecting preventive therapies. The aim of this study is to validate the Essen Stroke Risk Score (ESRS) for stratifying stroke recurrence in different subtypes of non-atrial fibrillation ischemic stroke in a large Chinese cohort. METHODS: Data were derived from the Blood pressure and clinical Outcome in Stroke Survivors registry, which includes a cohort of 2204 stroke patients...
April 21, 2017: Neurological Research
https://www.readbyqxmd.com/read/28431066/limited-left-atrial-surgical-ablation-effectively-treats-atrial-fibrillation-but-decreases-left-atrial-function
#15
Marieke G Compier, Laurens F Tops, Jerry Braun, Katja Zeppenfeld, Robert J Klautz, Martin J Schalij, Serge A Trines
Aims: Limited left atrial (LA) surgical ablation with bipolar radiofrequency is considered to be an effective procedure for treatment of atrial fibrillation (AF). We studied whether limited LA surgical ablation concomitant to cardiac surgery is able to maintain LA function. Methods and Results: Thirty-six consecutive patients (age 66 ± 12 years, 53% male, 78% persistent AF) scheduled for valve surgery and/or coronary revascularization and concomitant LA surgical ablation were included...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28430116/ghrelin-expression-and-significance-in-92-patients-with-atrial-fibrillation
#16
Tianyi Ma, Yujiang Su, Shijuan Lu, Moshui Chen, Jianghua Zhong, Zhihong Zhou, Dingjun Sun, Hui Yang, Xue Ao
OBJECTIVE: Ghrelin is a polypeptide that is closely associated with many cardiovascular diseases, such as hypertension, atherosclerosis, and heart failure. This article aims to understand the expression of ghrelin in patients with atrial fibrillation (AF). METHODS: A total of 182 patients with non-valvular heart diseases were recruited, among whom 92 had AF and 90 had sinus arrhythmia (SA). The serum ghrelin amount was tested by the ELASA method. Moreover, blood sugar, lipids, liver function, and renal function were tested...
April 10, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28429198/managing-the-perioperative-patient-on-direct-oral-anticoagulants
#17
Jordan Leitch, Janet van Vlymen
PURPOSE: Patients are increasingly treated with direct oral anticoagulants (DOACs) for the prevention of stroke due to non-valvular atrial fibrillation and for the treatment of venous thromboembolism. When these patients present for urgent or emergent surgical procedures, they present a challenge to the anesthesiologist who must manage perioperative risk due to anticoagulation. The purpose of this module is to review the literature surrounding the perioperative management of DOACs. Timing, laboratory monitoring, and availability of reversal agents are important considerations to optimize patients being treated with DOACs who require emergent surgery...
April 20, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28429136/is-there-an-alternative-treatment-for-patients-intolerant-to-antiplatelet-therapy-if-percutaneous-left-atrial-appendage-closure-is-considered
#18
F Akca, N J Verberkmoes, S E Verstraeten, C van Laar, B P van Putte, A H M van Straten
INTRODUCTION: Left atrial appendage (LAA) closure has become of major interest for patients with atrial fibrillation intolerant to oral anticoagulation therapy (OAC). Patients with a contraindication to both OAC and antiplatelet therapy are not eligible for percutaneous LAA closure. We aimed to find an alternative treatment for these specific patients. METHODS: From March 2014 until December 2015 five patients were referred for percutaneous LAA closure. Alternative treatment was necessary due to an absolute contraindication to OAC and antiplatelet therapy (n = 4) or after previous failed percutaneous device implantation (n = 1)...
April 20, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28429033/clinics-in-diagnostic-imaging-176-acute-embolic-occlusion-of-the-coeliac-artery
#19
Chinthaka Appuhamy, Justin Kwan, Martin Weng Chin H'ng, Sriram Narayanan, Sundeep Punamiya
A 52-year-old man, who had a background of chronic heart disease and atrial fibrillation, as well as non-compliance with warfarin therapy, presented with a two-week history of worsening upper abdominal pain. Computed tomography mesenteric angiography showed complete embolic occlusion of the coeliac artery with resultant segmental splenic infarction, and thrombus within the left ventricle. A decision was made to proceed with catheter-directed thrombolysis. Subsequent follow-up angiogram at 12 hours showed successful treatment with complete dissolution of the coeliac embolus...
April 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28427903/atrial-fibrillation-is-associated-with-hypermethylation-in-human-left-atrium-and-treatment-with-decitabine-reduces-atrial-tachyarrhythmias-in-spontaneously-hypertensive-rats
#20
R Doñate Puertas, E Meugnier, C Romestaing, C Rey, E Morel, J Lachuer, N Gadot, A Scridon, C Julien, F Tronc, B Chapuis, C Valla, A Janin, L Pirola, A Méjat, S Rome, P Chevalier
Atrial fibrillation (AF) is the most common cardiac arrhythmia. As the molecular mechanisms underlying the pathology are largely unknown, this cardiac arrhythmia remains difficult to treat. To identify specific molecular actors involved in AF, we have performed a transcriptomic analysis on left atrium (LA) from patients with valvular heart disease with or without AF. We showed that 1627 genes had altered basal expression level in LA tissue of AF patients compared with the control group. The significantly enriched gene ontology biological process "anatomical structure morphogenesis" contained the highest number of genes in line with changes in structure that occur when the human heart remodels following AF development (ie, LA dilatation and interstitial fibrosis)...
March 30, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
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