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Condition: Ischemic Stroke
Procedure: SPECT

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Total 209 results found since Jan 2013.

Rare Phenomenon of Limb-shaking TIA, Resolved With Intracranial Wingspan Stenting
Conclusions: It is vitally important to differentiate LS-TIA from focal seizures. This is the first documented case report of complete resolution of LS-TIA symptoms following an intracranial Wingspan stenting.
Source: The Neurologist - December 27, 2018 Category: Neurology Tags: Case Report/Case Series Source Type: research

Effect of pre-surgery assessments on the prognosis of patients received extracranial-intracranial bypass surgery.
CONCLUSIONS: Our results suggest that a defined compensatory stage of cerebral ischemia might be useful for the prognosis of patients receiving EI-CI bypass surgery. PMID: 30010157 [PubMed - as supplied by publisher]
Source: Restorative Neurology and Neuroscience - July 18, 2018 Category: Neurology Tags: Restor Neurol Neurosci Source Type: research

Detection of Apoptosis with 99mTc rh Annexin-V 128 Imaging in Asymptomatic Patients with Carotid Atherosclerotic Plaque
Conclusions: 99mTc-rhAnnexin V-128 imaging is safe with no observed adverse events or lab result changes. 99mTc-rhAnnexin V-128 imaging of apoptosis is feasible with excellent image quality at one and 2 hours following tracer injection. Significant focal uptake was identified in 1/12 patients and none of the 5 controls. Quantitative analysis of the planar images showed significantly greater uptake of annexin in patients compared to controls for both carotid arteries and at one and two hours.
Source: Journal of Nuclear Medicine - May 23, 2018 Category: Nuclear Medicine Authors: Massalha, S., Ferro, P., Ascah, K., Carey, C., Marvin, B., Dwivedi, G., Wells, R. G., Ravasi, L., Ruddy, T. Tags: Advances In Imaging of Atherosclerosis Source Type: research

PET imaging of ischemic brain stroke necrosis with novel agent 18F-Fluoroglucaric Acid
Conclusions: Results show that FGA has a potential to enable extremely sensitive and high resolution neuroimaging of brain infarcts. F-18-labeled FGA can be rapidly synthesized from ubiquitously available F-18-FDG in a simple reaction.
Source: Journal of Nuclear Medicine - May 23, 2018 Category: Nuclear Medicine Authors: Houson, H., Mdzinarishvili, A., Awasthi, V. Tags: Basic Science III Source Type: research

Integrin {alpha}4 Overexpression on Rat Mesenchymal Stem Cells Enhances Transmigration and Reduces Cerebral Embolism After Intracarotid Inȷection Brief Report
Conclusions—ITGA4 overexpression on MSCs enhances transendothelial migration in vitro, but not in vivo, although it improves safety after intracarotid transplantation into stroke rats.
Source: Stroke - September 25, 2017 Category: Neurology Authors: Li–li Cui, Franziska Nitzsche, Evgeny Pryazhnikov, Marina Tibeykina, Laura Tolppanen, Jussi Rytkonen, Tuulia Huhtala, Jing–wei Mu, Leonard Khiroug, Johannes Boltze, Jukka Jolkkonen Tags: Cell Therapy, Translational Studies, Ischemic Stroke Brief Reports Source Type: research

Acute Hearing Loss Caused by Decreasing Anterior Inferior Cerebellar Arterial Perfusion in a Patient with Vertebral Artery Stenosis
We report a case of bilateral hearing loss caused by decreased vascular flow in the anterior inferior cerebellar artery (AICA) territory. A 74-year-old man who experienced right hearing loss 5 months ago presented with bilateral deafness and right cerebellar ataxia; however, no ischemic lesion was detected in the bilateral AICA area. After stroke treatment, hearing loss was improved. One month later, we obtained blood flow improvement in the left AICA territory on single –photon-emission computed tomography and vertebral artery stenosis on magnetic resonance angiography.
Source: Journal of Stroke and Cerebrovascular Diseases - March 31, 2017 Category: Neurology Authors: Rintaro Fukuda, Nobukazu Miyamoto, Arisa Hayashida, Yuji Ueno, Kazuo Yamashiro, Ryota Tanaka, Nobutaka Hattori Tags: Case Studies Source Type: research

The masaryk hospital extracranial –intracranial bypass study
AbstractPatients with symptomatic internal carotid artery (ICA) occlusion with haemodynamic impairment are at higher risk of ischaemic stroke, and they require treatment. There are two main options: the best medical treatment and an extracranial –intracranial bypass. The aims of this study are to analyse the 30-day and 2-year risk of stroke and death in patients with extracranial–intracranial bypass performed by our department and to compare our results with major published studies. This retrospective study enrolled patients who underwe nt surgery from 1998 to 2012. Inclusion criteria were the following: (1) radiologic...
Source: Neurosurgical Review - December 31, 2016 Category: Neurosurgery Source Type: research

Erythropoietin Pretreatment of Transplanted Endothelial Colony-Forming Cells Enhances Recovery in a Cerebral Ischemia Model by Increasing Their Homing Ability: A SPECT/CT Study
Conclusion: Priming with erythropoietin before cell transplantation is an efficient strategy to amplify the migratory and engraftment capacities of ECFCs and their beneficial impact on BBB disruption, apoptosis, and CBF.
Source: Journal of Nuclear Medicine - October 31, 2016 Category: Nuclear Medicine Authors: Garrigue, P., Hache, G., Bennis, Y., Brige, P., Stalin, J., Pellegrini, L., Velly, L., Orlandi, F., Castaldi, E., Dignat-George, F., Sabatier, F., Guillet, B. Tags: Basic Science Investigations Source Type: research

Pharmacokinetic parameters of I-123 iomazenil can predict the risk of ischemic stroke
Conclusions IMZ-EF calculated from IMZ SPECT and CBF PET or SPECT was suggested to be an indicator predicting the risk of cerebrovascular diseases.
Source: Journal of Nuclear Medicine - May 23, 2016 Category: Nuclear Medicine Authors: Kato, H., Isohashi, K., Watabe, T., Kanai, Y., Naka, S., Tatsumi, M., Shimosegawa, E., Hatazawa, J. Tags: MTA II: Neurology Posters Source Type: research

The masaryk hospital extracranial–intracranial bypass study
Abstract Patients with symptomatic internal carotid artery (ICA) occlusion with haemodynamic impairment are at higher risk of ischaemic stroke, and they require treatment. There are two main options: the best medical treatment and an extracranial–intracranial bypass. The aims of this study are to analyse the 30-day and 2-year risk of stroke and death in patients with extracranial–intracranial bypass performed by our department and to compare our results with major published studies. This retrospective study enrolled patients who underwent surgery from 1998 to 2012. Inclusion criteria were the following: (1) ra...
Source: Neurosurgical Review - May 17, 2016 Category: Neurosurgery Source Type: research

Correlation of Transcranial Doppler Breath Holding Test and Acetazolamide SPECT Scan for Anterior Circulation Steno-Occlusive Disease (P6.019)
Conclusions: There was a modest correlation between TCD-R and acetazolamide SPECT scan for anterior circulation steno-occlusive disease in our patient cohort. TCD-R demonstrated higher sensitivity for the detection of poor cerebrovascular reserve than acetazolamide SPECT. Further studies are needed to determine which study is more useful in the management of this high-risk population. Disclosure: Dr. Parikh has nothing to disclose. Dr. Cerejo has nothing to disclose. Dr. Raber has nothing to disclose. Dr. Thompson has nothing to disclose. Dr. Uchino has nothing to disclose. Dr. Katzan has received personal compensation f...
Source: Neurology - April 3, 2016 Category: Neurology Authors: Parikh, P., Cerejo, R., Raber, L., Thompson, N., Uchino, K., Katzan, I. Tags: Ischemic Stroke Diagnosis 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

Recurrent Bleeding in Hemorrhagic Moyamoya Disease : Prognostic Implications of the Perfusion Status.
CONCLUSION: Decreased basal perfusion seems to be associated with recurrent bleeding. Revascularization might prevent recurrent stroke in hMMD by rectifying the perfusion abnormality. A larger-sized, controlled study is required to address this issue. PMID: 26962416 [PubMed]
Source: Journal of Korean Neurosurgical Society - March 12, 2016 Category: Neurosurgery Tags: J Korean Neurosurg Soc Source Type: research

Propensity of Withania somnifera to Attenuate Behavioural, Biochemical, and Histological Alterations in Experimental Model of Stroke.
Abstract The present study was designed to evaluate the beneficial effects of Withania somnifera (WS) pre-supplementation on middle cerebral artery occlusion (MCAO) model of ischemic stroke. Ischemic stroke was induced in the rats by inserting intraluminal suture for 90 min, followed by reperfusion injury for 24 h. The animals were assessed for locomotor functions (by neurological deficit scores, narrow beam walk and rotarod test), cognitive and anxiety-like behavioural functions (by morris water maze and elevated plus maze test). MCAO animals showed significant impairment in locomotor and cognitive functions. N...
Source: Cellular and Molecular Neurobiology - December 30, 2015 Category: Cytology Authors: Sood A, Kumar A, Dhawan DK, Sandhir R Tags: Cell Mol Neurobiol Source Type: research

Influence of Amyloid-{beta} on Cognitive Decline After Stroke/Transient Ischemic Attack: Three-Year Longitudinal Study Clinical Sciences
Conclusions— Compared with subjects without Alzheimer’s disease–like Aβ deposition, those with Aβ deposition experienced a more severe and rapid cognitive decline over 3 years after stroke/transient ischemic attack. Aβ was associated with changes in multiple cognitive domains.
Source: Stroke - October 26, 2015 Category: Neurology Authors: Liu, W., Wong, A., Au, L., Yang, J., Wang, Z., Leung, E. Y. L., Chen, S., Ho, C. L., Mok, V. C. T. Tags: Behavioral Changes and Stroke, PET and SPECT Clinical Sciences Source Type: research