Filtered By:
Condition: Atrial Fibrillation
Procedure: MRI Scan

This page shows you your search results in order of relevance. This is page number 9.

Order by Relevance | Date

Total 412 results found since Jan 2013.

Large Left Ventricular Pseudoaneurysm Presenting as an Embolic Stroke After a "Silent" Myocardial Infarction
Tex Heart Inst J. 2023 Mar 1;50(2):e227922. doi: 10.14503/THIJ-22-7922.ABSTRACTA 72-year-old woman with no history of coronary artery disease presented with an acute left middle cerebral artery stroke and was found to have a large left ventricular pseudoaneurysm measuring 8.7 × 7.6 cm and 2 large left ventricular thrombi, the source of her systemic embolization. Despite initial medical management, she developed refractory New York Heart Association functional class III heart failure, uncontrolled atrial fibrillation, and further enlargement of her pseudoaneurysm to 5.5 × 10.6 × 9.2 cm. She underwent urgent aneurysmectom...
Source: Texas Heart Institute Journal - March 29, 2023 Category: Cardiology Authors: Cameron Incognito Joshua Parker Michael Arustamyan Milad Matta Kristine Posadas Ran Lee Source Type: research

Stenosis Length and Degree Interact With the Risk of Cerebrovascular Events Related to Internal Carotid Artery Stenosis
Conclusion: We found a statistically insignificant tendency for the ultrasound-measured length of sICAS<70% to be longer than that of sICAS≥70%. Moreover, the ultrasound-measured length of sICAS<90% was significantly longer than that of sICAS 90%. Among patients with sICAS≥70%, the degree and length of stenosis were inversely correlated. Larger studies are needed before a clinical implication can be drawn from these results. Introduction Internal carotid artery stenosis (ICAS) causes around one-fifth of ischemic cerebrovascular stroke and has the highest risk of early stroke recurrence...
Source: Frontiers in Neurology - April 8, 2019 Category: Neurology Source Type: research

Correlation Between Intracranial Arterial Calcification and Imaging of Cerebral Small Vessel Disease
Conclusion: Intracranial artery calcification is common in patients with ischemic cerebrovascular disease and the intracranial carotid artery is most frequently affected. Intracranial arterial calcifications might be associated with imaging markers of SVD and are highly correlated with WMHs, lacunes, and CMBs. Quantification of calcification on CT provides additional information on the pathophysiology of SVD. Intracranial arterial calcification could act as a potential marker of SVD. Introduction Atherosclerosis is a systemic vascular process that is considered a major cause of cerebrovascular and cardiovascular di...
Source: Frontiers in Neurology - April 30, 2019 Category: Neurology Source Type: research

Characterizing the Penumbras of White Matter Hyperintensities and Their Associations With Cognitive Function in Patients With Subcortical Vascular Mild Cognitive Impairment
Conclusion In this study, reduced CBF and FA and increased MD in the inner NAWM layers for both PVWMH and DWMH suggested extensive WM alterations beyond the visible WM lesions commonly observed on clinical MRI of svMCI subjects. CBF penumbras cover more extensive WM at risk than DTI penumbras, suggesting the likelihood that compromised CBF precedes white matter integrity changes, and CBF penumbras may be a potential target for the prevention of further microstructural white matter damage. The imaging parameters investigated, however, did not correlate to cognition. Author Contributions YZ, QX, and XG conceived and desig...
Source: Frontiers in Neurology - April 11, 2019 Category: Neurology Source Type: research

Preserve the Brain Primary Goal in the Therapy of Atrial Fibrillation ∗
Treatment of atrial fibrillation (AF) involves 3 major strategies: prevention of stroke, maintenance of sinus rhythm, and rate control (1). Stroke is the most dreaded complication of AF, and its prevention is key. Anticoagulation with warfarin and the newer agents dabigatran, rivaroxaban, and apixaban is highly effective in preventing strokes in patients with AF (1,2,3,4). However, defining the appropriate patient for anticoagulant therapy is not an exact science, and the stroke risk schema CHADS2 (Congestive heart failure, Hypertension, Age ≥75 years, Diabetes mellitus, previous Stroke/transient ischemic attack) and CH...
Source: Journal of the American College of Cardiology: Cardiovascular Interventions - July 29, 2013 Category: Cardiology Source Type: research

Preserve the Brain: Primary Goal in the Therapy of Atrial Fibrillation∗
Treatment of atrial fibrillation (AF) involves 3 major strategies: prevention of stroke, maintenance of sinus rhythm, and rate control . Stroke is the most dreaded complication of AF, and its prevention is key. Anticoagulation with warfarin and the newer agents dabigatran, rivaroxaban, and apixaban is highly effective in preventing strokes in patients with AF . However, defining the appropriate patient for anticoagulant therapy is not an exact science, and the stroke risk schema CHADS2 (Congestive heart failure, Hypertension, Age ≥75 years, Diabetes mellitus, previous Stroke/transient ischemic attack) and CHA2DS2-VASc (...
Source: Journal of the American College of Cardiology - May 17, 2013 Category: Cardiology Authors: Eric N. Prystowsky, Benzy J. Padanilam Tags: Heart Rhythm Disorders: Editorial Comment Source Type: research

A Case of Transient Global Amnesia: A Review and How It May Shed Further Insight into the Neurobiology of Delusions
Conclusion In closing, our patient’s episode of TGA combined with her emotional and perceptual response lends credence to the proposal of a “fear/paranoia” circuit in the genesis of paranoid delusions—a circuit incorporating amygdala, frontal, and parietal cortices. Here, neutral or irrelevant stimuli, thoughts, and percepts come to engender fear and anxiety, while dysfunction in frontoparietal circuitry engenders inappropriate social predictions and maladaptive inferences about the intentions of others.[54] Hippocampus relays information about contextual information based on past experiences and the current situat...
Source: Innovations in Clinical Neuroscience - April 1, 2016 Category: Neuroscience Authors: ICN Online Editor Tags: Anxiety Disorders Behavioral and Cognitive Neurology Case Report Cognition Current Issue Dementia Medical Issues Neurologic Systems and Symptoms Psychiatry Schizophrenia delusions hippocampus neurobiology Transient global amnesia Source Type: research

The Optimal Anti-Coagulation for Enhanced Risk Patients Post-Catheter Ablation for Atrial Fibrillation (OCEAN) trial
Discussion The OCEAN trial is a multicenter randomized controlled trial evaluating two antithrombotic treatment strategies for patients with risk factors for stroke after apparently successful AF ablation. We hypothesize that rivaroxaban will reduce the occurrence of clinically overt stroke, systemic embolism, and covert stroke when compared to ASA alone.
Source: American Heart Journal - December 9, 2017 Category: Cardiology Source Type: research

The Optimal Anti-Coagulation for Enhanced-Risk Patients Post –Catheter Ablation for Atrial Fibrillation (OCEAN) trial
The objective was to assess whether rivaroxaban is superior to acetylsalicylic acid (ASA) in reducing the risk of clinically overt stroke, systemic embolism, or covert stroke among patients without apparent recurrent atrial arrhythmias for at least 1 year after their most recent AF ablation procedure. Methods/design A prospective, multicenter, open-label, randomized trial with blinded assessment of outcomes is under way (NCT02168829). Atrial fibrillation patients with at least 1 stroke risk factor (as defined by the CHA2DS2-VASc score) and without known atrial arrhythmia recurrences for at least 12 months after ablation ar...
Source: American Heart Journal - January 17, 2018 Category: Cardiology Source Type: research

Acute Silent Brain Infarction in Monocular Visual Loss of Ischemic Origin
Background and Purpose: Non-arteritic branch/central retinal artery occlusions (BRAO/CRAO) and amaurosis fugax (AF) are predominantly caused by embolism. Additionally, transported embolic material could cause ischemic stroke. The aim of the study was to investigate the prevalence, pattern and underlying cause of concurrent acute brain infarctions in unselected patients with RAO and AF. Methods: A total of 213 consecutive patients with BRAO (20.7%), CRAO (47.4%), or AF (31.9%) were retrospectively studied from 2008 to 2013. Magnetic resonance imaging (MRI) was used to detect acute brain infarctions and a cardiovascular work...
Source: Cerebrovascular Diseases - July 31, 2015 Category: Neurology Source Type: research

Atrial cardiomyopathy: from cell to bedside
AbstractAtrial cardiomyopathy refers to structural and electrical remodelling of the atria, which can lead to impaired mechanical function. While historical studies have implicated atrial fibrillation as the leading cause of cardioembolic stroke, atrial cardiomyopathy may be an important, underestimated contributor. To date, the relationship between atrial cardiomyopathy, atrial fibrillation, and cardioembolic stroke remains obscure. This review summarizes the pathogenesis of atrial cardiomyopathy, with a special focus on neurohormonal and inflammatory mechanisms, as well as the role of adipose tissue, especially epicardia...
Source: ESC Heart Failure - August 3, 2022 Category: Cardiology Authors: Mengmeng Li, Yuye Ning, Gary Tse, Ardan M. Saguner, Meng Wei, John D. Day, Guogang Luo, Guoliang Li Tags: Review Source Type: research

Acute myocardial infarction related to coronary artery embolism: A systematic cardiac and cerebral magnetic resonance imaging study
CONCLUSION: MI-related to CAE was associated with infarctions of average size but multiple locations. Systematic brain MRI revealed that 33% of cases were associated with a stroke, which was generally asymptomatic. Further studies are required to better characterize the pathophysiology, clinical course and prognostic value of CAE. Moreover, optimal management strategies remain to be determined.PMID:35934614 | DOI:10.1016/j.acvd.2022.05.005
Source: Archives of Cardiovascular Diseases - August 7, 2022 Category: Cardiology Authors: Julie Debeaumarch é Thibault Leclercq Romain Didier Hugo Debeaumarch é Pierre-Olivier Comby Fr édéric Ricolfi Marianne Zeller Alexandre Cochet Yves Cottin Source Type: research

Association Between Atrial Fibrillation and Silent Cerebral Infarctions: A Systematic Review and Meta-analysis.
CONCLUSION: Atrial fibrillation is associated with more than a 2-fold increase in the odds for SCI. PRIMARY FUNDING SOURCE: Deane Institute for Integrative Research in Atrial Fibrillation and Stroke, Massachusetts General Hospital. PMID: 25364886 [PubMed - in process]
Source: Annals of Internal Medicine - November 4, 2014 Category: Internal Medicine Authors: Kalantarian S, Ay H, Gollub RL, Lee H, Retzepi K, Mansour M, Ruskin JN Tags: Ann Intern Med Source Type: research