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Condition: Arrhythmia

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Total 3904 results found since Jan 2013.

Ischemic Stroke Phenotype in Patients With Nonsustained Atrial Fibrillation Clinical Sciences
Conclusions— Clinical features of patients with nonsustained AF exhibited an intermediary phenotype in between patients with persistent/paroxysmal AF and no AF. Furthermore, imaging features did not entirely resemble patterns observed in patients with longer durations of AF.
Source: Stroke - February 23, 2015 Category: Neurology Authors: Arsava, E. M., Bas, D. F., Atalar, E., Has, A. C., Oguz, K. K., Topcuoglu, M. A. Tags: Electrocardiology, Acute Cerebral Infarction, Arrhythmias, clinical electrophysiology, drugs, Embolic stroke, Computerized tomography and Magnetic Resonance Imaging Clinical Sciences Source Type: research

Stroke as the Initial Manifestation of Atrial Fibrillation Brief Report
Conclusions—We observed that stroke is an uncommon but measureable presenting feature of AF. Our data imply that emphasizing cost-effectiveness of population-wide AF-screening efforts will be important given the relative infrequency with which stroke represents the initial manifestation of AF.
Source: Stroke - January 22, 2017 Category: Neurology Authors: Steven A. Lubitz, Xiaoyan Yin, David D. McManus, Lu-Chen Weng, Hugo J. Aparicio, Allan J. Walkey, Jose Rafael Romero, Carlos S. Kase, Patrick T. Ellinor, Philip A. Wolf, Sudha Seshadri, Emelia J. Benjamin Tags: Atrial Fibrillation, Epidemiology, Cerebrovascular Disease/Stroke, Ischemic Stroke, Transient Ischemic Attack (TIA) Brief Reports Source Type: research

Real-World Setting Comparison of Nonvitamin-K Antagonist Oral Anticoagulants Versus Vitamin-K Antagonists for Stroke Prevention in Atrial Fibrillation Clinical Sciences
Conclusions—This meta-analysis confirms the main findings of the randomized controlled trials of dabigatran, rivaroxaban, and apixaban in the real-world setting and, hence, strengthens their validity.
Source: Stroke - August 28, 2017 Category: Neurology Authors: George Ntaios, Vasileios Papavasileiou, Konstantinos Makaritsis, Konstantinos Vemmos, Patrik Michel, Gregory Y.H. Lip Tags: Arrhythmias, Secondary Prevention, Meta Analysis, Mortality/Survival, Ischemic Stroke Original Contributions Source Type: research

Risk of Stroke in Patients With Short-Run Atrial Tachyarrhythmia Clinical Sciences
This study aimed to investigate the relationship between short-run AT and the stroke and the use of the CHA2DS2-VASc score for the risk stratification.Methods—From the registry of 24-hour Holter monitoring, 5342 subjects without known atrial fibrillation or stroke were enrolled. Short-run AT was defined as episodes of supraventricular ectopic beats 25 beats/d) independently predicted the risk of stroke. In subgroup analyses, short-run AT patients were divided into 3 groups based on their CHA2DS2-VASc scores: low score (score of 0 [men] or 1 [women]; n=324), intermediate score (score of 1 [men] or 2 [women]; n=275), and h...
Source: Stroke - November 27, 2017 Category: Neurology Authors: Shinya Yamada, Chin-Yu Lin, Shih-Lin Chang, Tze-Fan Chao, Yenn-Jiang Lin, Li-Wei Lo, Fa-Po Chung, Yu-Feng Hu, Ta-Chuan Tuan, Jo-Nan Liao, Abigail Louise D. Te, Yao-Ting Chang, Ting-Yung Chang, Cheng-I Wu, Satoshi Higa, Shih-Ann Chen Tags: Arrhythmias, Ischemic Stroke Original Contributions Source Type: research

Mild Hypokalemia and Supraventricular Ectopy Increases the Risk of Stroke in Community-Dwelling Subjects Clinical Sciences
Background and Purpose—Stroke is independently associated with the common conditions of hypokalemia and supraventricular ectopy, and we hypothesize that the combination of excessive supraventricular ectopic activity and hypokalemia has a synergistic impact on the prognosis in terms of stroke in the general population.Methods—Subjects (55–75 years old) from the Copenhagen Holter Study cohort (N=671) with no history of atrial fibrillation or stroke were studied—including baseline values of potassium and ambulatory 48-hour Holter monitoring. Excessive supraventricular ectopic activity is defined as ≥30 premature atr...
Source: Stroke - February 26, 2017 Category: Neurology Authors: Nick Mattsson, Preman Kumarathurai, Bȷorn Stroier Larsen, Olav Wendelboe Nielsen, Ahmad Saȷadieh Tags: Arrhythmias, ACE/Angiotensin Receptors/Renin Angiotensin System, Epidemiology, Cerebrovascular Disease/Stroke Original Contributions Source Type: research

Echocardiographic Risk Factors for Stroke and Outcomes in Patients With Atrial Fibrillation Anticoagulated With Apixaban or Warfarin Clinical Sciences
Conclusions—In anticoagulated patients with atrial fibrillation and risk factors for stroke, echocardiographic findings do not seem to add to the risk of thromboembolic events.Clinical Trial Registration—URL: http://www.clinicaltrials.gov. Unique identifier: NCT00412984.
Source: Stroke - November 27, 2017 Category: Neurology Authors: Dragos Vinereanu, Renato D. Lopes, Hillary Mulder, Bernard J. Gersh, Michael Hanna, Pedro G.M. de Barros e Silva, Dan Atar, Lars Wallentin, Christopher B. Granger, John H. Alexander Tags: Arrhythmias, Echocardiography, Intracranial Hemorrhage, Ischemic Stroke Original Contributions Source Type: research

Detection of Atrial Fibrillation After Ischemic Stroke or Transient Ischemic Attack: A Systematic Review and Meta-Analysis Clinical Sciences
Conclusions— Detection of AF was highly variable, and the review was limited by small sample sizes and marked heterogeneity. Further studies are required to inform patient selection, optimal timing, methods, and duration of monitoring for detection of AF/paroxysmal AF.
Source: Stroke - January 27, 2014 Category: Neurology Authors: Kishore, A., Vail, A., Majid, A., Dawson, J., Lees, K. R., Tyrrell, P. J., Smith, C. J. Tags: Electrocardiology, Acute Cerebral Infarction, Acute Stroke Syndromes, Arrhythmias, clinical electrophysiology, drugs Clinical Sciences Source Type: research

Antithrombotic Therapy After Acute Ischemic Stroke in Patients With Atrial Fibrillation Clinical Sciences
Conclusions— Contrary to current guidelines, 30% of patients with atrial fibrillation and recent IS are not prescribed any OAC therapy on discharge, whereas a further 30% are prescribed combination OAC and antiplatelet therapy. Combination OAC and antiplatelet therapy in patients at high cardiovascular risk requires evaluation in clinical trials, particularly with the newer OACs, given their more favorable risk–benefit ratio compared with warfarin.
Source: Stroke - November 24, 2014 Category: Neurology Authors: McGrath, E. R., Kapral, M. K., Fang, J., Eikelboom, J. W., Conghaile, A. O., Canavan, M., O'Donnell, M. J., on behalf of the Investigators of the Ontario Stroke Registry Tags: Secondary prevention, Acute Cerebral Infarction, Arrhythmias, clinical electrophysiology, drugs Clinical Sciences Source Type: research

Detection of paroxysmal atrial fibrillation in stroke/tia patients.
Authors: Khan M, Miller DJ Abstract One-third of stroke and transient ischemic attack (TIA) are cryptogenic, and paroxysmal atrial fibrillation (PAF) has been suggested as a possible cause for these cryptogenic strokes. Multiple studies have recently evaluated long-term cardiac rhythm monitoring with good yield for PAF. The duration of monitoring varies between studies as well as the qualifying event definition. Moreover, the clinical significance of very brief atrial fibrillation events is unclear in the literature. This paper provides an overview of current advances in the detection of paroxysmal atrial fibrillat...
Source: Stroke Research and Treatment - December 2, 2014 Category: Neurology Tags: Stroke Res Treat Source Type: research

Geographic Variation in the Use of Oral Anticoagulation Therapy in Stroke Prevention in Atrial Fibrillation Brief Report
Conclusions—Large geographic variation exists in oral anticoagulation use in atrial fibrillation. The use of oral anticoagulation is lower in the South, where the rates of stroke are unusually high. In the future, it will be important to analyze whether the high rates of stroke in the South can be partially attributed to the underuse of oral anticoagulation in this region.
Source: Stroke - July 24, 2017 Category: Neurology Authors: Inmaculada Hernandez, Samir Saba, Yuting Zhang Tags: Arrhythmias, Anticoagulants, Health Services, Ischemic Stroke Brief Reports Source Type: research

Comparison of Clinical Risk Stratification for Predicting Stroke and Thromboembolism in Atrial Fibrillation Clinical Sciences
Conclusions— A direct comparison of 9 risk schemes reveals no profound differences in risk stratification accuracy for high-risk patients. Accurate prediction of low-risk patients is perhaps more valuable in determining those unlikely to benefit from oral anticoagulation therapy. Among our cohort, CHA2DS2-VASc performed best in this purpose.
Source: Stroke - January 27, 2014 Category: Neurology Authors: Aakre, C. A., McLeod, C. J., Cha, S. S., Tsang, T. S. M., Lip, G. Y. H., Gersh, B. J. Tags: Cerebrovascular disease/stroke, Arrhythmias, clinical electrophysiology, drugs, Embolic stroke, Anticoagulants Clinical Sciences Source Type: research

Atrial Premature Beats Predict Atrial Fibrillation in Cryptogenic Stroke: Results From the EMBRACE Trial Clinical Sciences
Conclusions— Among older cryptogenic stroke or transient ischemic attack patients, the number of APBs on a routine 24-hour Holter ECG was a strong dose-dependent independent predictor of prevalent subclinical AF. Those with frequent APBs have a high probability of AF and represent ideal candidates for prolonged ECG monitoring for AF detection. Clinical Trial Registration— URL: http://www.clinicaltrials.gov. Unique identifier: NCT00846924.
Source: Stroke - March 23, 2015 Category: Neurology Authors: Gladstone, D. J., Dorian, P., Spring, M., Panzov, V., Mamdani, M., Healey, J. S., Thorpe, K. E., for the EMBRACE Steering Committee and Investigators*, EMBRACE Steering Committee or Operations Committee, Aviv, Boyle, Blakely, Cote, Hall, Kapral, Kozlowski Tags: Electrocardiology, Arrhythmias, clinical electrophysiology, drugs, Embolic stroke Clinical Sciences Source Type: research

Imaging Negative Stroke: Diagnoses and Outcomes in Intravenous Tissue Plasminogen Activator–Treated Patients
Conclusions: Because most INS patients were found to have NNCI, which may represent either transient ischemic attack or aborted stroke, and there were no intracerebral hemorrhages in the INS group, our data support the safety of administering IV t-PA to all patients in whom acute ischemic stroke is clinically suspected. We have demonstrated that NNCI patients and stroke mimics are common, and future larger scale prospective studies are required to delineate the true frequencies of each and to evaluate differences in outcomes.
Source: Journal of Stroke and Cerebrovascular Diseases - October 7, 2013 Category: Neurology Authors: Ilana Spokoyny, Rema Raman, Karin Ernstrom, Brett C. Meyer, Thomas M. Hemmen Tags: Original Articles Source Type: research

Atrial Fibrillation Diagnosis Timing, Ambulatory ECG Monitoring Utilization, and Risk of Recurrent Stroke Original Articles
Conclusions— AF diagnosed after stroke is an important hallmark of recurrent stroke risk. Increasing the low utilization of cardiac monitoring after stroke could identify undiagnosed AF earlier, leading to appropriate oral anticoagulation treatment and a reduction in stroke/TIA recurrence.
Source: Circulation: Cardiovascular Quality and Outcomes - January 16, 2017 Category: Cardiology Authors: Lip, G. Y. H., Hunter, T. D., Quiroz, M. E., Ziegler, P. D., Turakhia, M. P. Tags: Arrhythmias, Electrophysiology, Atrial Fibrillation, Ischemic Stroke, Transient Ischemic Attack (TIA) Original Articles Source Type: research

Incidence of Ischemic Stroke in Young Adults, a 4 Year Retrospective Review from an Urban Tertiary Care Center in North Philadelphia (P3.232)
Conclusions: The incidence of Ischemic Stroke in this cohort is much higher than that reported in other observational studies. Despite an extensive work up, a cause was not found in the majority of patients. These data support the need for a more in depth investigation of the causes of stroke in the young in urban, underserved communities. Standard of care diagnostic tests fail to explain the unusually high incidence of Ischemic Stroke in this cohort.Disclosure: Dr. Pirastehfar has nothing to disclose. Dr. Katz has nothing to disclose. Dr. Gentile has nothing to disclose. Dr. Jacobi has nothing to disclose. Dr. Linares has...
Source: Neurology - April 3, 2016 Category: Neurology Authors: Pirastehfar, M., Katz, P., Gentile, N., Jacobi, J., Linares, G. Tags: Stroke in the Young Source Type: research