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Condition: Atrial Fibrillation
Procedure: CT Scan

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Total 484 results found since Jan 2013.

Frequency and risk factors of spontaneous hemorrhagic transformation following ischemic stroke on the initial brain CT or MRI: data from the China National Stroke Registry (CNSR).
DISCUSSION: Spontaneous HT occurred in 0.92% of the patients with IS in the acute stage. Being female, excess alcohol consumption, atrial fibrillation, and a prolonged period between IS onset and initial imaging were associated with an increased risk of spontaneous HT. PMID: 27320249 [PubMed - in process]
Source: Neurological Research - June 21, 2016 Category: Neurology Tags: Neurol Res Source Type: research

A Case of Cardiogenic Stroke After Thoracoscopic Left Atrial Appendectomy.
We report this case to introduce how we evaluate the risk of postoperative cardiogenic stroke by means of contrast-enhanced cardiac computed tomography (CT), and how we formulate the postoperative patient management strategy including short-term oral anticoagulation therapy by using results of cardiac CT. PMID: 29937454 [PubMed - as supplied by publisher]
Source: International Heart Journal - June 27, 2018 Category: Cardiology Tags: Int Heart J Source Type: research

Epicardial left atrial appendage AtriClip occlusion reduces the incidence of stroke in patients with atrial fibrillation undergoing cardiac surgery
ConclusionThe long-term results from our first-in-man prospective human trial plus our institutional registry of epicardial LAA occlusion with the AtriClip in patients with AF undergoing cardiac surgery demonstrate the safety and durability of the procedure. In addition, our data are suggestive for the potential efficacy of LAA occlusion in reducing the incidence of stroke. If validated in future large randomized trials, routine LAA occlusion in patients undergoing cardiac surgery (with contraindications to treatment with oral anticoagulants) may represent a reasonable adjunct procedure to reduce the risk of future stroke....
Source: Europace - July 18, 2017 Category: Cardiology 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

Dabigatran Reversal with Idarucizumab Preceding Thrombolysis in an Octogenarian Patient with Chronic Kidney Disease and Acute Stroke: a Case Report.
CONCLUSION: Our case showed the effectiveness and safety of giving Idarucizumab followed by thrombolysis in Dabigatran-treated atrial fibrillation with ischemic stroke. Based on this case, the procedure can be performed in an elderly population with chronic kidney disease when administered close to the limit of threshold for thrombolysis. PMID: 32778345 [PubMed - as supplied by publisher]
Source: Clinical Therapeutics - August 6, 2020 Category: Drugs & Pharmacology Authors: Laxamana LC, Co COC, Yu JRT, Mojica CV, Iboleon-Dy MAM, Domingo AMC, Ilano KCS, Macrohon-Valdez MCZ Tags: Clin Ther Source Type: research

Association Between Ischemic Stroke and Left Atrial Appendage Morphology in Patients With Atrial Fibrillation and Low CHA2DS2-VASc Scores
CONCLUSION: For patients with atrial fibrillation and a low CHA2DS2-VASc score, the non-chicken wing left atrial appendage morphology type is independently associated with ischemic stroke.PMID:36223248 | DOI:10.14503/THIJ-20-7544
Source: Texas Heart Institute Journal - October 12, 2022 Category: Cardiology Authors: Kan Huang Haitao Wen Canjun Liu Source Type: research

Improving door-to-reperfusion time in acute ischemic stroke during the COVID-19 pandemic: experience from a public comprehensive stroke center in Brazil
ConclusionAcute stroke care continued to be a priority despite the COVID-19 pandemic. The implementation of a thrombolytic bolus and the start of continuous infusion on the CT scan table was the main factor that contributed to the reduction of DNT. Continuous monitoring of service times is essential for improving the quality of the stroke center and achieving better functional outcomes for patients.
Source: Frontiers in Neurology - July 10, 2023 Category: Neurology Source Type: research

Anatomical characteristics of the left atrial appendage in cardiogenic stroke with low CHADS2 scores
Conclusions: The LAA anatomy might be useful for predicting strokes in patients with nonvalvular AF who have low CHADS2 scores.
Source: Heart Rhythm - February 4, 2013 Category: Cardiology Authors: Takehiro Kimura, Seiji Takatsuki, Kohei Inagawa, Yoshinori Katsumata, Takahiko Nishiyama, Nobuhiro Nishiyama, Kotaro Fukumoto, Yoshiyasu Aizawa, Yoko Tanimoto, Kojiro Tanimoto, Masahiro Jinzaki, Keiichi Fukuda Tags: Creative Concepts Source Type: research

Stroke of undetermined cause: workup and secondary prevention
Purpose of review: The purpose of this review is to update the reader on current concepts of workup and secondary prevention in patients with stroke of undetermined cause. Recent findings: Clinical research in patients with cryptogenic stroke has been hampered by the lack of standardized, widely accepted diagnostic criteria. The new definition of ‘Embolic stroke of undetermined etiology’ postulates an embolic mechanism of ischemic stroke. It is based on the exclusion of lacunar infarction by brain imaging, arterial stenosis more than 50% or dissection of the respective brain-supplying artery by computed tomography/mag...
Source: Current Opinion in Neurology - January 12, 2016 Category: Neurology Tags: CEREBROVASCULAR DISEASE: Edited by Patrik Michel Source Type: research

Midbrain and bilateral paramedian thalamic stroke due to artery of Percheron occlusion.
CONCLUSION: Bilateral thalamic stroke due to artery of Percheron occlusion is a rare presentation of stroke, which can be overlooked in routine CT scan. If diagnosed, it requires further evaluation for stroke risk factors, especially cardiovascular disorders associated with increased embolic risk. PMID: 27154444 [PubMed - as supplied by publisher]
Source: Neurologia i Neurochirurgia Polska - April 30, 2016 Category: Neurology Authors: Restel M, Graban A, Witkowski G, Ryglewicz D, Sienkiewicz-Jarosz H Tags: Neurol Neurochir Pol Source Type: research

Etiologies of internal carotid artery pseudo-occlusions in acute stroke patients: what neurointerventionalists can expect.
Abstract In cases of acute stroke, differentiation between an occluded and a patent internal carotid artery (ICA) is crucial for diagnosis and management. Although computed tomography angiography (CTA) can be highly accurate in defining high-grade stenosis and ICA occlusions, misleading ICA occlusion patterns are not rare in acute stroke patients. We investigated the underlying causes of ICA pseudo-occlusions with CTA with respect to digital subtraction angiography (DSA). 11 out of 72 patients had pseudo-occlusion on CTA. Of these, there were three cases of tandem occlusions accompanying high-grade ICA stenosis, f...
Source: The British Journal of Radiology - December 19, 2016 Category: Radiology Authors: Akpınar S, Gelener P, Yilmaz G Tags: Br J Radiol Source Type: research

Successful intravenous thrombolysis for ischemic stroke after reversal of dabigatran anticoagulation with idarucizumab: a case report
ConclusionsOur case report adds to the evidence that idarucizumab administration is safe in the setting of patients with atrial fibrillation treated with dabigatran who develop acute ischemic stroke requiring thrombolysis.
Source: Journal of Medical Case Reports - August 15, 2017 Category: General Medicine Source Type: research

Management of oral anticoagulation in very old patients with non valvular atrial fibrillation related acute ischemic stroke
AbstractThe optimal management of oral anticoagulation (OAC) in the acute phase of non valvular atrial fibrillation (NVAF)-related acute ischemic stroke (AIS) remains controversial, especially in very old patients. Therefore, the aim of our study was to evaluate the practical management of OAC in this context. We conducted an observational retrospective study on patients 85-years old and older admitted to two Italian hospitals for NVAF-related AIS. For each patient, clinical and brain computed tomography data were recorded. Type of OAC (vitamin K antagonists, VKAs or Direct Oral Anticoagulants, DOACs), dosage and starting ...
Source: Journal of Thrombosis and Thrombolysis - October 16, 2019 Category: Hematology Source Type: research

Risk factors of haemorrhagic transformation for acute ischaemic stroke in Chinese patients receiving intravenous thrombolysis: A meta-analysis
Conclusion: The systematic review showed that male, age, diabetes, NIHSS, OTT, atrial fibrillation, post stroke, infarct size, and ischemic signs of CT were significantly correlated with hemorrhagic transformation (HT). PROSPERO Registration number: CRD42019127499.
Source: Medicine - February 1, 2020 Category: Internal Medicine Tags: Research Article: Systematic Review and Meta-Analysis Source Type: research