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Condition: Aphasia
Procedure: Angiography

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Total 172 results found since Jan 2013.

Asymptomatic Carotid Stenosis Is Associated With Circadian and Other Variability in Embolus Detection
Conclusions: Embolism associated with asymptomatic carotid stenosis shows circadian variation with highest rates 4–6 h before midday. This corresponds with peak circadian incidence of stroke and other vascular complications. These and ASED Study results show that monitoring frequency, duration, and time of day are important in ES detection. Introduction Transcranial Doppler (TCD) detected microembolism in the ipsilateral middle cerebral artery (MCA) may help stratify the risk of stroke and other arterial disease complications in persons with advanced (≥60%) asymptomatic carotid stenosis. If so, this t...
Source: Frontiers in Neurology - April 15, 2019 Category: Neurology Source Type: research

Anterior Choroidal Artery Infarction Evaluated with 123I-Imp Single-Photon Emission Computed Tomography and 7 Tesla Magnetic Resonance Imaging
Anterior choroidal artery (AchA) infarction remains a challenging diagnosis although it was first described almost 100 years prior. N-isopropyl-p-[123I]-iodoamphetamine single-photon emission computed tomography (123I-IMP SPECT) and 7 Tesla magnetic resonance angiography (7T-MRA) are not routinely performed in cases of AchA infarction. Therefore, the application of 123I-IMP SPECT and 7T-MRA for AchA infarction has not been reported previously. A 67-year-old man presented with disturbed consciousness, gaze preference to the left, aphasia, right homonymous hemianopia, and right hemiparesis.
Source: Journal of Stroke and Cerebrovascular Diseases - March 8, 2019 Category: Neurology Authors: Te-Hsiung Wang, Naoto Jingami, Tomohisa Okada, Tomoyuki Yunoki, Shigeru Ohtsuru, Kaoru Koike Tags: Case Report Source Type: research

Acute Ischemic Stroke in a Child Successfully Treated with Thrombolytic Therapy and Mechanical Thrombectomy
We present the case of a 4-year-old boy with complex congenital heart disease, admitted 30 min after sudden onset of an aphasia and right hemiplegia, scoring 14 on the Pediatric National Institutes of Health Stroke Scale (PedNIHSS). Non-contrast brain computed tomography (CT) showed no evidence of acute ischemia. CT angiogram demonstrated a thrombus in the M1 segment of the left middle cerebral artery. Intravenous recombinant tissue plasminogen activator (rTPA) was infused 3.5 h after onset of symptoms. An improvement was observed in the hour after rTPA, with a PedNIHSS score of 7. Digital subtraction angiography was perfo...
Source: Case Reports in Neurology - February 8, 2019 Category: Neurology Source Type: research

Vanished into thin air - Morgagni hernia producing echo artifact and diagnosed by cardiac CT
An 82-year-old woman presented with aphasia and right sided weakness and was diagnosed with an acute stroke. She was unable to undergo an MRI due to a cochlear implant but received thrombolytics for suspected large vessel occlusion. A carotid CT angiogram did not show significant stenosis. She underwent a transthoracic echocardiogram (TTE) to rule out a potential cardiac etiology. TTE windows were challenging [Panel A, Parasternal long axis view (PLAX). Panel B, Short axis view (SAX), Movie 1]. Subcostal views were only marginally better.
Source: Journal of Cardiovascular Computed Tomography - November 27, 2018 Category: Radiology Authors: Amna Zafar, Dinesh K. Kalra Tags: Case report Source Type: research

Delayed Endovascular Thrombectomy in a Patient Suffering from Stroke in Progression after Intravenous Thrombolytic Therapy.
CONCLUSION: In LAO patients, directly proceeding EVT following IVT may not be hesitated. In addition, while LAO patients with incomplete IV-tPA treatment responses result in transient improvement of neurological symptoms but later reversed, EVT may be a potential rescue therapy in carefully selected patients. PMID: 30315557 [PubMed - in process]
Source: Acta Neurologica Taiwanica - October 15, 2018 Category: Neurology Tags: Acta Neurol Taiwan Source Type: research

Autoimmune limbic encephalitis in association with acute stroke
A 60-year-old woman with no known medical history presented with acute-onset altered mental status and aphasia. She was in her usual state of health until the time of presentation. She was found to have left middle and posterior cerebral artery (MCA and PCA) acute ischemic strokes and subsequently developed refractory status epilepticus. CT angiography showed moderate stenosis of the proximal left internal carotid artery (ICA), occlusion of the right ICA at its origin, and near-complete occlusion of the left vertebral artery (figure). Strokes were attributed to large-vessel atherosclerotic disease in the setting of multipl...
Source: Neurology Clinical Practice - August 13, 2018 Category: Neurology Authors: Kaas, B., Zeiler, S. R., Bahouth, M. N., Llinas, R. H., Probasco, J. C. Tags: All Immunology, All Cerebrovascular disease/Stroke Case Source Type: research

LVIS Jr Device for Y-Stent-Assisted Coil Embolization of Wide-Neck Intracranial Aneurysms: A Multicenter Experience
Conclusions: In this multicenter case series, Y-stent-assisted coiling of wide-neck aneurysms with the LVIS Jr device was feasible and relatively safe. Follow-up imaging demonstrated very low recanalization rates.Intervent Neurol 2018;7:271 –283
Source: Interventional Neurology - April 3, 2018 Category: Neurology Source Type: research

An Emergent Large Vessel Occlusion Screening Protocol for Acute Stroke: A Quality Improvement Initiative
Background: Nurses play an integral role in triaging stroke patients. The purpose of this quality improvement initiative was to determine the efficacy of using an emergent large vessel occlusion (ELVO) screening protocol in the emergency department by nursing staff to improve identification of eligible patients as compared with current practice, improving time to endovascular treatment. Methods: Retrospective chart review was used to identify 76 patients admitted to a large urban stroke center. Of these, 36 presented during a 4-month period before the implementation of the Stroke Vision, Aphasia, Neglect (Stroke VAN) tool ...
Source: Journal of Neuroscience Nursing - March 13, 2018 Category: Neuroscience Tags: Article Source Type: research

Interobserver agreement between senior radiology resident, neuroradiology fellow, and experienced neuroradiologist in the rating of Alberta Stroke Program Early Computed Tomography Score (ASPECTS).
CONCLUSION: ASPECTS varied among raters. However, when using a narrowed window setting for interpretation, interobserver agreement improved. PMID: 29467112 [PubMed - as supplied by publisher]
Source: Diagnostic and Interventional Radiology : The Turkish Society of Radiology - February 21, 2018 Category: Radiology Authors: Kobkitsuksakul C, Tritanon O, Suraratdecha V Tags: Diagn Interv Radiol Source Type: research

A severe, relapsing case of myelin oligodendrocyte glycoprotein IgG-associated CNS inflammation
A 55-year-old man presented in October 2004 with general unease, vomiting, and gait disturbance. Initially diagnosed with an inner ear infection, the patient's symptoms did not improve and he was evaluated further. MRI revealed a cerebellar lesion, which led to the suspicion of a posterior circulation stroke, and he was started on antiplatelet drugs. However, an angiogram suggested no vascular pathology. In March 2011, he had another episode of ataxia and MRI showed a right brainstem lesion. Cryptogenic stroke was reconsidered. In March 2013, the patient developed paraparesis with urinary and bowel symptoms. MRI revealed m...
Source: Neurology Clinical Practice - February 12, 2018 Category: Neurology Authors: Saviour, M., Hamid, S., Moore, P., Mutch, K., Bhojak, M., Duddy, M., Jacob, A. Tags: All Demyelinating disease (CNS), Devic's syndrome, Optic neuritis; see Neuro-ophthalmology/Optic Nerve, Transverse myelitis Case Source Type: research

Recurrent Stroke in a Young Woman with a Single Pulmonary Arteriovenous Fistula: An Unusual Association
Conclusions: This case highlights the importance of search, identification, and interpretation of causes of cryptogenic strokes to better choose therapy to reduce the stroke recurrence risk. Although unusual, PAVF detection is a treatable cause of stroke and the therapeutic decisions should take into account the characteristics of the PAVF and the degree of suspicion regarding the cause-effect relationship between PAVF and stroke.Case Rep Neurol 2017;9:293 –298
Source: Case Reports in Neurology - December 18, 2017 Category: Neurology Source Type: research

Histology of Thrombectomy Specimen Reveals Cardiac Tumor Embolus in Cryptogenic Young Stroke
A 25-year-old woman presented with acute onset of right hemiplegia and global aphasia with National Institutes of Health Stroke Scale score of 19. Computed tomography angiography demonstrated occlusion of the left proximal middle cerebral artery. She was thrombolysed with intravenous recombinant tissue plasminogen activator (0.6  mg/kg) within 3 hours of onset of symptoms and was taken up for mechanical thrombectomy. The retrieved specimen appeared pale white and soft; histopathologic examination revealed a papillary neoplasm composed of papillae with hyalinized cores lined by endothelium, consistent with papillary fibro...
Source: Journal of Stroke and Cerebrovascular Diseases - December 12, 2017 Category: Neurology Authors: Kizhakkaniyakath Abdu Salam, Mohammed Rafeeque, Hisham Hashim, Neena Mampilly, Mohan Leslie Noone Tags: Case Studies Source Type: research

A Not Uncommon Cause of Stroke Mimicker in Children
A 16 year old young man with history of acute lymphoblastic leukemia presented with acute onset of right hemibody and facial numbness, which progressed to right sided weakness(arm>leg), right facial droop, and aphasia. A stroke alert code was activated and brain magnetic resonance imaging (MRI) revealed focal areas of restricted diffusion in the centrum semiovale bilaterally, slightly more extensively on the left than the right (figure 1). MR angiogram of the head and neck was unremarkable.
Source: Pediatric Neurology - November 13, 2017 Category: Neurology Authors: Erin Willis, Debopam Samanta, Alisa Kanfi Tags: Visual Diagnosis Source Type: research

Computed Tomography Perfusion Maps Reveal Blood Flow Dynamics in Postictal Patients: A Novel Diagnostic Tool.
CONCLUSIONS: Our study shows that CTP is an easily accessible tool in emergency department setting for the detection of changes in blood flow dynamics among postictal patients. Thus, we propose the use of CTP in emergency settings to discriminate between postictal changes and acute vascular events. PMID: 28971638 [PubMed - in process]
Source: The Israel Medical Association Journal - October 5, 2017 Category: General Medicine Tags: Isr Med Assoc J Source Type: research

Too good to intervene? Thrombectomy for large vessel occlusion strokes with minimal symptoms: an intention-to-treat analysis
Conclusions Thrombectomy led to a shift towards a lower NIHSS in patients with LVO presenting with minimal stroke symptoms. Despite the overall perception that this condition is benign, nearly a quarter of patients primarily treated with medical therapy did not achieve independence at 90 days.
Source: Journal of NeuroInterventional Surgery - September 12, 2017 Category: Neurosurgery Authors: Haussen, D. C., Bouslama, M., Grossberg, J. A., Anderson, A., Belagage, S., Frankel, M., Bianchi, N., Rebello, L. C., Nogueira, R. G. Tags: Editor''s choice, Ischemic stroke Source Type: research