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Condition: Atrial Fibrillation
Procedure: MRI Scan

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Total 412 results found since Jan 2013.

Utility of Duranta, a wireless patch-type electrocardiographic monitoring system developed in Japan, in detecting covert atrial fibrillation in patients with cryptogenic stroke: A case report
Rationale: Subcutaneous implantable electrocardiographs are highly effective in detecting covert atrial fibrillation (AF) in cryptogenic stroke. However, these invasive devices are not indicated for all cryptogenic stroke patients, and noninvasive improvements over conventional Holter-type ambulatory electrocardiography are needed. We evaluated the clinical application and effectiveness of Duranta (ImageONE Co., Ltd.), a wireless patch-type electrocardiographic monitoring system developed in Japan for chronically ill patients or home-based patients at the end of life. A Duranta device was used to detect covert AF in patien...
Source: Medicine - February 1, 2017 Category: Internal Medicine Tags: Research Article: Clinical Case Report Source Type: research

Cardiac imaging after ischemic stroke : Echocardiography, CT, or MRI?
Authors: Camen S, Haeusler KG, Schnabel RB Abstract About 20-25% of all ischemic strokes are of cardioembolic etiology, with atrial fibrillation and heart failure as the most common underlying pathologies. Diagnostic work-up by noninvasive cardiac imaging is essential since it may lead to changes in therapy, e.g., in-but not exclusively-secondary stroke prevention. Echocardiography remains the cornerstone of cardiac imaging after ischemic stroke, with the combination of transthoracic and transesophageal echocardiography as gold standard thanks to their high sensitivity for many common pathologies. Transesophageal e...
Source: Herz - April 5, 2019 Category: Cardiology Tags: Herz Source Type: research

Is the TOAST Classification Suitable for Use in Personalized Medicine in Ischemic Stroke?
J Pers Med. 2022 Mar 19;12(3):496. doi: 10.3390/jpm12030496.ABSTRACTPathophysiologic classification of ischemic stroke is essential to a personalized approach to stroke treatment. The Trial of Org 101072 in Acute Stroke Treatment (TOAST) classification is the most frequently used tool to classify index ischemic strokes. We aimed to assess presence of small and large vessel disease markers across the TOAST groups. In an observational study, 99 ischemic stroke patients were consecutively included and classified according to TOAST. The assessment was supplemented with cerebral small vessel disease (SVD) score, based on Magnet...
Source: Atherosclerosis - March 25, 2022 Category: Cardiology Authors: Sofie A Simonsen Anders S West Adam V Heiberg Frauke Wolfram Poul J Jennum Helle K Iversen Source Type: research

Impact of type of oral anticoagulants in patients with cerebral microbleeds after atrial fibrillation-related ischemic stroke or TIA: Results of the NOACISP-LONGTERM registry
ConclusionsIn AF-stroke patients treated with OAC, the presence of CMBs was associated with an unfavorable composite outcome for both VKAs and DOACs, with a higher risk for recurrent IS than for ICH. Strokes were numerically higher under VKAs and increased in the presence of CMBs.Clinical trial registrationhttp://www.clinicaltrials.gov, Unique identifier: NCT03826927.
Source: Frontiers in Neurology - September 20, 2022 Category: Neurology Source Type: research

Prevalence of and Risk Factors for Silent Ischemic Stroke in Patients With Atrial Fibrillation as Determined by Brain Magnetic Resonance Imaging
Varied silent ischemic stroke (SS) prevalence occurs in patients with atrial fibrillation (AF). Stroke history is worth 2 points in the CHADS2 scoring system. An unknown proportion of patients with AF with a CHADS2 score of 0 or 1 have been undertreated for stroke prevention. We investigated SS risk factors using magnetic resonance imaging and estimated SS impact on clinical outcomes in patients with AF. We analyzed a total of 1,200 patients (400 with AF and 800 with sinus rhythm) who had brain magnetic resonance imaging performed for routine health checkups. Clinical outcomes including symptomatic stroke, dementia, and co...
Source: The American Journal of Cardiology - November 25, 2013 Category: Cardiology Authors: Myung-jin Cha, Hyo Eun Park, Min-ho Lee, Youngjin Cho, Eue-keun Choi, Seil Oh Tags: Arrhythmias and Conduction Disturbances Source Type: research

Grading and Interpretation of White Matter Hyperintensities Using Statistical Maps Clinical Sciences
Conclusions— We have generated a novel graphical WMH grading (Kim statistical WMH scoring) system, correlated to risk factors and adjusted for age/hypertension. Further studies are required to confirm whether the combined data set allows grading of WMH burden in individual patients and a tailored patient-specific interpretation in ischemic stroke-related clinical practice.
Source: Stroke - November 24, 2014 Category: Neurology Authors: Ryu, W.-S., Woo, S.-H., Schellingerhout, D., Chung, M. K., Kim, C. K., Jang, M. U., Park, K.-J., Hong, K.-S., Jeong, S.-W., Na, J.-Y., Cho, K.-H., Kim, J.-T., Kim, B. J., Han, M.-K., Lee, J., Cha, J.-K., Kim, D.-H., Lee, S. J., Ko, Y., Cho, Y.-J., Lee, B. Tags: Acute Cerebral Infarction, Cerebral Lacunes, Computerized tomography and Magnetic Resonance Imaging Clinical Sciences Source Type: research

Higher diastolic blood pressure at admission and antiedema therapy is associated with acute kidney injury in acute ischemic stroke patients.
Authors: Micozkadioglu H Abstract Antiedema therapy with mannitol and furosemide is widely used for prevention and management of cerebral edema, elevated intracranial pressure, and cerebral hernia. There are some reports about mannitol and furosemide as risk factors of acute kidney injury (AKI). We investigated the risk factors for AKI including antiedema therapy in acute ischemic stroke patients. The subjects were 129 patients with acute ischemic stroke including 56 females and 73 males with a mean age 68.16±12.29 years. Patients were divided into two groups: patients with AKI and without AKI according to Acute K...
Source: International Journal of Nephrology and Renovascular Disease - November 28, 2015 Category: Urology & Nephrology Tags: Int J Nephrol Renovasc Dis Source Type: research

Nonsustained Atrial Fibrillation in Ischemic Stroke Patients and Stroke-Free Controls From the Perspective of Stroke Pathophysiology Stroke
BackgroundShort‐lasting (
Source: JAHA:Journal of the American Heart Association - September 29, 2016 Category: Cardiology Authors: Yetim, E., Topcuoglu, M. A., Canpolat, U., Gocmen, R., Oguz, K. K., Ozer, N., Aytemir, K., Arsava, E. M. Tags: Atrial Fibrillation, Pathophysiology, Electrocardiology (ECG), Magnetic Resonance Imaging (MRI), Ischemic Stroke Original Research Source Type: research

Assessment of Atrial Fibrosis and Its Implications in Atrial Fibrillation and Stroke
AbstractPurpose of reviewCardiac magnetic resonance imaging (CMRI) can be used to accurately define atrial fibrosis burden and is increasingly available, which has led to a renaissance in our understanding of atrial fibrosis as a major component of the atrial disease substrate. The purpose of this review is to provide information on our current understanding of atrial fibrosis and its relation to atrial fibrillation (AFib) and stroke, highlight its implications in the treatment of these conditions, and discuss potential therapies for atrial fibrosis.Recent findingsCMRI-defined atrial fibrosis has a proven utility in strati...
Source: Current Treatment Options in Cardiovascular Medicine - October 15, 2021 Category: Cardiology Source Type: research

Global Cortical Atrophy Is Associated with an Unfavorable Outcome in Stroke Patients on Oral Anticoagulation
Conclusion: GCA was associated with our composite outcome also after adjusting for other cSVD markers (i.e., CMB, WMH) and age, indicating that GCA may potentially serve as a prognostic marker for stroke patients with atrial fibrillation on oral anticoagulation.Cerebrovasc Dis
Source: Cerebrovascular Diseases - December 13, 2022 Category: Neurology Source Type: research

Secondary neurodegeneration of ipsilateral substantia nigra in acute ischemic stroke
ConclusionsA better understanding of the secondary degeneration of the substantia nigra has the potentiality to offer a chance for neuroprotection in acute stroke, but further studies are needed.
Source: Neurological Sciences - August 1, 2023 Category: Neurology Source Type: research

Clinical Significance of Fluid-Attenuated Inversion Recovery Vascular Hyperintensities in Transient Ischemic Attack Clinical Sciences
Conclusions— The presence of FVH early after symptom onset may help to diagnosis TIA, to identify the potential mechanisms of TIA and to predict recurrence risk after a TIA.
Source: Stroke - May 24, 2013 Category: Neurology Authors: Kobayashi, J., Uehara, T., Toyoda, K., Endo, K., Ohara, T., Fujinami, J., Nagatsuka, K., Minematsu, K. Tags: CT and MRI, Acute Cerebral Infarction, Computerized tomography and Magnetic Resonance Imaging Clinical Sciences Source Type: research

Finding atrial fibrillation in stroke patients: Randomized evaluation of enhanced and prolonged Holter monitoring—Find-AFRANDOMISED —rationale and design
Background: Detecting paroxysmal atrial fibrillation (AF) in patients with ischemic strokes presenting in sinus rhythm is challenging because episodes are often short, occur randomly, and are frequently asymptomatic. If AF is detected, recurrent thromboembolism can be prevented efficiently by oral anticoagulation. Numerous uncontrolled studies using various electrocardiogram (ECG) devices have established that prolonged ECG monitoring increases the yield of AF detection, but most established procedures are time-consuming and costly. The few randomized trials are mostly limited to cryptogenic strokes. The optimal method, du...
Source: American Heart Journal - July 7, 2014 Category: Cardiology Authors: Mark Weber-Krüger, Götz Gelbrich, Raoul Stahrenberg, Jan Liman, Pawel Kermer, Gerhard F. Hamann, Joachim Seegers, Klaus Gröschel, Rolf Wachter, Find-AFRANDOMISED investigators Tags: Trial Designs Source Type: research