PubMed Journals Articles About "Current Ideas Complex Relationship Between Atrial Fibrillation Ischemic" RSS

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Showing "Current ideas complex relationship between atrial fibrillation ischemic" PubMed Articles 1–25 of 23,000+

Issues of antithrombotic therapy in ACS patients with atrial fibrillation.

The review analyzed current ideas on prevalence and clinical significance of atrial fibrillation following acute coronary syndrome; described modern approaches to administration of antithrombotic therapy; and addressed available clinical studies on the treatment with warfarin and new oral anticoagulants as a part of combination antithrombotic therapy in patients with atrial fibrillation and acute coronary syndrome.

Dementia and Atrial Fibrillation: Pathophysiological Mechanisms and Therapeutic Implications.

Atrial fibrillation increases the risk of stroke by a factor of 4- to 5-fold, and dementia is a common consequence of stroke. However, atrial fibrillation has been associated with cognitive impairment and dementia, even in patients without prior overt stroke. Non-ischemic mechanisms include cerebral hypoperfusion, vascular inflammation, brain atrophy, genetic factors, and shared risk factors such as age or hypertension. Critical appraisal of studies evaluating the association between atrial fibrillation and...

Expert opinion paper on atrial fibrillation detection after ischemic stroke.

This expert opinion paper on atrial fibrillation detection after ischemic stroke includes a statement of the "Heart and Brain" consortium of the German Cardiac Society and the German Stroke Society. This paper was endorsed by the Stroke Unit-Commission of the German Stroke Society and the German Atrial Fibrillation NETwork. In patients with ischemic stroke, detection of atrial fibrillation should usually lead to a change in secondary stroke prevention, since oral anticoagulation is superior to antiplatelet ...

Seasonal variation in the risk of ischemic stroke in patients with atrial fibrillation: A nationwide cohort study.

Several cardiovascular diseases exhibit seasonal variations, but data about cold temperature and risk of ischemic stroke in patients with atrial fibrillation (AF) are limited.

Ischemic stroke risk during long-term follow up in patients with successful catheter ablation for atrial fibrillation in Korea.

The interruption of oral anticoagulation therapy (OAC) after CA of atrial fibrillation (AF) is controversial. The purpose of this study was to evaluate the relationship between successful long-term outcomes of catheter resection and SR maintenance and ischemic stroke risk in Korea. We studied 1,548 consecutive patients who were followed up for more than 2 years after CA of AF. We investigated the incidence of ischemic stroke during long-term follow-up. Compared to the AF recurrence group (n = 619), the sinu...

Paroxysmal atrial fibrillation detection in patients with acute ischemic stroke through prolonged Holter: prospective study.

The detection of paroxysmal atrial fibrillation (PAF) is crucial in the etiological study of an acute ischemic stroke (AIS), although this type of arrhythmia is often under-diagnosed. This prospective study aims to (1) evaluate the new-onset PAF detection rate among elderly patients with AIS in an acute setting, and (2) to assess the applicability of the STAF score (Score for the Targeting of Atrial Fibrillation) for such patients.

Scattering Transform of Heart Rate Variability for the Prediction of Ischemic Stroke in Patients with Atrial Fibrillation.

Atrial fibrillation (AF) is an identified risk factor for ischemic strokes (IS). AF causes a loss in atrial contractile function that favors the formation of thrombi, and thus increases the risk of stroke. Also, AF produces highly irregular and complex temporal dynamics in ventricular response RR intervals. Thus, it is hypothesized that the analysis of RR dynamics could provide predictors for IS. However, these complex and nonlinear dynamics call for the use of advanced multiscale nonlinear signal processin...

Does Left Atrial Appendage Amputation During Routine Cardiac Surgery Reduce Future Atrial Fibrillation and Stroke?

Stroke is the most feared complication of atrial fibrillation. To prevent stroke, left atrial appendage exclusion has been targeted, as it is the prevalent site for formation of heart thrombi during atrial fibrillation. We review the historic development of methods for exclusion of the left atrial appendage and the evidence to support its amputation during routine cardiac surgery.

The Neurologist's Approach to Cerebral Infarct and Transient Ischemic Attack in Patients Receiving Anticoagulant Treatment for Nonvalvular Atrial Fibrillation. ANITA-FA Study.

To describe the clinical and epidemiological characteristics of acute ischemic stroke (AIS) in patients with atrial fibrillation (AF) previously treated with oral anticoagulants (OACs) according to the type of OAC prescribed. To analyze the outcomes of the patients and the therapeutic approach adopted by the neurologist in the acute phase and for secondary prevention.

Long-term monitoring to detect atrial fibrillation with the indwelling implantable cardiac monitors.

An increasing number of detection tools are available and several detection strategies have been described to pursue the diagnosis of atrial fibrillation to prevent ischemic stroke. Monitoring tools include standard electrocardiography, snapshot single-lead recordings with professional or personal devices (e.g. smartphone-based), Holter monitor, external devices with long-term recording capabilities, and cardiac implantable electronic devices, including pacemakers, implantable cardioverter defibrillators an...

Valsartan reduced the vulnerability to atrial fibrillation by preventing action potential prolongation and conduction slowing in castrated male mice.

Deficiency of testosterone was associated with the susceptibility of atrial fibrillation. Angiotensin-II receptor antagonists were shown to reduce atrial fibrillation by improving atrial electrical remodeling. This study investigated the effects and mechanism of valsartan, an angiotensin-II receptor antagonist, on the susceptibility to atrial fibrillation with testosterone deficiency.

The association of high D-dimer level with high risk of ischemic stroke in nonvalvular atrial fibrillation patients: A retrospective study.

This study aimed to explore the relationship of D-dimer level with the risk stratification of ischemic stroke, and determine whether high D-dimer levels could be used as a risk factor of ischemic stroke in patients with nonvalvular atrial fibrillation (NVAF).This single-center, retrospective study recruited NVAF patients who did not undergo anticoagulant therapy. These patients were divided into 2 groups: ischemic stroke group and no-stroke group. The medical records of each patient were reviewed, demograph...

Early Resumption of β Blockers Is Associated with Decreased Atrial Fibrillation after Noncardiothoracic and Nonvascular Surgery: A Cohort Analysis.

WHAT THIS ARTICLE TELLS US THAT IS NEW: BACKGROUND:: Beta (β) blockers reduce the risk of postoperative atrial fibrillation and should be restarted after surgery, but it remains unclear when best to resume β blockers postoperatively. The authors thus evaluated the relationship between timing of resumption of β blockers and atrial fibrillation in patients recovering from noncardiothoracic and nonvascular surgery.

Tactics of Selection of Anticoagulant Therapy in Patients With Atrial Fibrillation and Ischemic Heart Disease.

In the clinical practice a physician quite often is at a loss due to "freedom of choice" granted by availability of direct oral anticoagulants (DOAC). If a patient with nonvalvular atrial fibrillation (AF) has indications for therapy with anticoagulants which DOAC should be preferred? What are benefits for a patient with ischemic heart disease and AF when definite NOAC is chosen and what are risks inherent of this choice? Answers to such questions are given in this paper.

Adding left atrial appendage closure to open heart surgery provides protection from ischemic brain injury six years after surgery independently of atrial fibrillation history: the LAACS randomized study.

Open heart surgery is associated with high occurrence of atrial fibrillation (AF), subsequently increasing the risk of post-operative ischemic stroke. Concomitant with open heart surgery, a cardiac ablation procedure is commonly performed in patients with known AF, often followed by left atrial appendage closure with surgery (LAACS). However, the protective effect of LAACS on the risk of cerebral ischemia following cardiac surgery remains controversial. We have studied whether LAACS in addition to open hear...

Ablation of atrial fibrillation: Facts for the referring physician.

Radiofrequency ablation has become a safe and effective treatment for atrial fibrillation. We believe that referral to an electrophysiologist for consideration of ablation may allow for better rhythm control and outcomes by altering the natural history of atrial fibrillation progression.

Reply to the letter to the editor: "Left atrial low-voltage areas predict atrial fibrillation recurrence after catheter ablation in patients with paroxysmal atrial fibrillation".

Correlation between atrial fibrillation driver locations and complex fractionated atrial electrograms in patients with persistent atrial fibrillation.

The aim of this study was to evaluate a spatial correlation between active atrial fibrillation (AF) drivers measured by ECGI and complex fractionated atrial electrograms (CFAEs) in patients with persistent AF.

Underuse of Oral Anticoagulants in Patients With Ischemic Stroke and Atrial Fibrillation in China.

Anticoagulant therapy is an effective stroke prevention measurement for subjects with atrial fibrillation (AF) who are at high risk of ischemic stroke. However, it is reported that oral anticoagulants (OACs) are generally underused in clinical practice. A better awareness of current usage of anticoagulant therapy would enable prevention of stroke secondary to AF. Therefore, we determined the nationwide prevalence of AF and the frequency of OACs use among patients with ischemic stroke in China. Based on the ...

Does Caffeine Consumption Increase the Risk of New-Onset Atrial Fibrillation?

Caffeine has been considered a trigger for atrial fibrillation (AF). We conducted a meta-analysis including a dose-response analysis to assess the relationship between caffeine consumed and incidence of AF.

Towards a repository of synthetic electrograms for atrial activation detection in atrial fibrillation.

Recently, the analysis of the spatio-temporal behavior of atrial fibrillation activation patterns has been widely investigated with the aim to better understand the arrhythmia implications on the heart electrical activity. Most of the proposed techniques are based on atrial activation timing detections. Unfortunately atrial activation timings are not easily recognizable on the electrograms (EGMs) and an approach to support the validation of such techniques is highly desirable. The aim of this study is to pr...

Cryptogenic Acute Ischemic Stroke: Assessment of the Performance of a New Continuous Long-Term Monitoring System in the Detection of Atrial Fibrillation.

Long-term monitoring has been advocated to enhance the detection of atrial fibrillation (AF) in patients with stroke.

Low testosterone levels are predictive for incident atrial fibrillation and ischaemic stroke in men, but protective in women - results from the FINRISK study.

Background Atrial fibrillation is the most common serious abnormal heart rhythm, and a frequent cause of ischaemic stroke. Recent experimental studies, mainly in orchiectomised rats, report a relationship between sex hormones and atrial electrophysiology and electroanatomy. We aimed to evaluate whether low testosterone levels are predictive for atrial fibrillation and/or ischaemic stroke in men and women. Design and methods The serum total testosterone levels were measured at baseline in a population cohort...

Atrial fibrillation and hypertension: State of the art.

Atrial fibrillation and hypertension are often coexistent. Their incidence increases with advancing age and they are responsible for considerable morbidity and mortality. The relation between theses 2 diseases has long been discussed and determined by clinical studies. Left ventricular hypertrophy and left atrial remodeling during hypertension favor the development of atrial fibrillation. AF during hypertension increases the risk of thromboembolic complications and heart failure. In patients with hypertensi...

Comparative risks of bleeding, ischemic stroke and mortality with direct oral anticoagulants versus phenprocoumon in patients with atrial fibrillation.

The pivotal trials for stroke prevention in non-valvular atrial fibrillation (NVAF) compared rivaroxaban, dabigatran, and apixaban with warfarin, as did most claims-based studies. Comparisons with phenprocoumon, the most frequently used vitamin K antagonist (VKA) in Germany, are scarce.

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