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Specialty: Neurology
Condition: Subarachnoid Hemorrhage
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Total 1836 results found since Jan 2013.
Significant increase in mortality and risk of acute ischemic stroke in infective endocarditis patients with subarachnoid hemorrhage secondary to mycotic aneurysms
Infective Endocarditis (IE) patients are known to have a variety of complications with one of the rarest, but serious being cerebral mycotic aneurysm, which can result in subarachnoid hemorrhage (SAH). Using the National In-Patient Sample database, we sought to determine the rate of acute ischemic stroke (AIS) and outcomes in IE- patients with and without SAH. In total, we identified 82,844 IE-patients from 2010 to 2016, of which 641 had a concurrent diagnosis of SAH. IE patients with SAH had a more complicated course, higher mortality rate (OR 4.65 CI 95% 3.9–5.5, P
Source: Journal of the Neurological Sciences - May 10, 2023 Category: Neurology Authors: Tolga Sursal, Kevin Clare, Eric Feldstein, Jonathan Ogulnick, Bridget Nolan, Zafar Karimov, Andrew Nazarenko, Linda Ye, Yarden Bornovski, Serena Wong, Joshua Goldberg, Stephan A. Mayer, Andrew Bauerschmidt, Marc Y. El Khoury, Hosam Al-Jehani, Chirag D. Ga Source Type: research
The effects of aneurysmal subarachnoid hemorrhage on cerebral vessel diameter and flow velocity
Transcranial Doppler flow velocity is used to monitor for cerebral vasospasm following aneurysmal subarachnoid hemorrhage. Generally, blood flow velocities appear inversely related to the square of vessel diameter representing local fluid dynamics. However, studies of flow velocity-diameter relationships are few, and may identify vessels for which diameter changes are better correlated with Doppler velocity. We therefore studied a large retrospective cohort with concurrent transcranial Doppler velocities and angiographic vessel diameters.
Source: Journal of Stroke and Cerebrovascular Diseases - March 16, 2023 Category: Neurology Authors: Richard L. Wang, Kevin J. Gingrich, Awais Vance, Mark D. Johnson, Babu G. Welch, David L. McDonagh Source Type: research
Cerebellar Superficial Siderosis in Cerebral Amyloid Angiopathy on 1.5T T2*-Weighted Imaging
Conclusions: Cerebellar SS in CAA patients can be identified on 1.5T T2*-weighted imaging. Associated MRI characteristics suggest contamination from supratentorial macrobleeds.Cerebrovasc Dis
Source: Cerebrovascular Diseases - March 6, 2023 Category: Neurology Source Type: research
Elevated HMGB1 and sRAGE levels in cerebrospinal fluid of aneurysmal subarachnoid hemorrhage patients
Neuroinflammation after aneurysmal subarachnoid hemorrhage (aSAH) leads to poor outcome of patients. High mobility group box 1 (HMGB1) contributes to inflammation through binding to receptors for advanced glycation end-products (RAGE) in various diseases. We aimed to determine the production of these two factors after aSAH and their relationship with clinical features.
Source: Journal of Stroke and Cerebrovascular Diseases - March 3, 2023 Category: Neurology Authors: Xue-Hong Chu, Hui-Yu Hu, Ivan Steve Godje Godje, Li-Juan Zhu, Jia-Bao Zhu, Yong-Liang Feng, Hai Wang, Yi-Bo Zhang, Juan Huang, Xin-Gang Sun Source Type: research
Changes in Adhesion and the Expression of Adhesion Molecules in PBMCs after Aneurysmal Subarachnoid Hemorrhage: Relation to Cerebral Vasospasm
In conclusion, our results confirm that after aSAH, monocyte count and adhesion of PBMCs increase, especially in patients with VSP, and that the expression of several adhesion molecules is altered. These observations can help predict VSP and to improve the treatment of this pathology.
Source: Translational Stroke Research - February 23, 2023 Category: Neurology Source Type: research
Role of lipocalin 2 in stroke
Neurobiol Dis. 2023 Feb 16:106044. doi: 10.1016/j.nbd.2023.106044. Online ahead of print.ABSTRACTStroke is the second leading cause of death worldwide; however, the treatment choices available to neurologists are limited in clinical practice. Lipocalin 2 (LCN2) is a secreted protein, belonging to the lipocalin superfamily, with multiple biological functions in mediating innate immune response, inflammatory response, iron-homeostasis, cell migration and differentiation, energy metabolism, and other processes in the body. LCN2 is expressed at low levels in the brain under normal physiological conditions, but its expression i...
Source: Neurobiology of Disease - February 22, 2023 Category: Neurology Authors: Ruo-Yu Zhao Peng-Ju Wei Xin Sun Dian-Hui Zhang Qian-Yan He Jie Liu Jun-Lei Chang Yi Yang Zhen-Ni Guo Source Type: research
Impact of acute symptomatic seizures and their management on patient-reported outcomes after stroke
The objective of our study is to evaluate the association between PROMs and ASyS and ASMs following stroke.METHODS: We performed a retrospective cohort study of all stroke patients who underwent inpatient continuous EEG (cEEG) monitoring performed due to suspected ASyS, including the ones with observed convulsive ASyS, from 04/01/2012 to 03/31/2018, who completed PROMs within 6 months of hospital discharge. Patient-reported outcome measures, including one Neuro-QoL and six PROMIS v1.0 domain scales, were completed by patients as the standard of care in ambulatory stroke clinics. Since ASMs are sometimes used without clearl...
Source: Epilepsy and Behaviour - February 22, 2023 Category: Neurology Authors: Vineet Punia Yadi Li Brittany Lapin Pradeep Chandan Christopher Newey Stephen Hantus Monika Dhakar Clio Rubinos Sahar Zafar Adithya Sivaraju Irene L Katzan for Post-Acute Symptomatic Seizure Investigation and Outcomes Network (PASSION) investigators Source Type: research
Role of lipocalin 2 in stroke
Neurobiol Dis. 2023 Feb 16:106044. doi: 10.1016/j.nbd.2023.106044. Online ahead of print.ABSTRACTStroke is the second leading cause of death worldwide; however, the treatment choices available to neurologists are limited in clinical practice. Lipocalin 2 (LCN2) is a secreted protein, belonging to the lipocalin superfamily, with multiple biological functions in mediating innate immune response, inflammatory response, iron-homeostasis, cell migration and differentiation, energy metabolism, and other processes in the body. LCN2 is expressed at low levels in the brain under normal physiological conditions, but its expression i...
Source: Neurobiology of Disease - February 22, 2023 Category: Neurology Authors: Ruo-Yu Zhao Peng-Ju Wei Xin Sun Dian-Hui Zhang Qian-Yan He Jie Liu Jun-Lei Chang Yi Yang Zhen-Ni Guo Source Type: research
Peripheral eosinophil trends and clinical outcomes after non-traumatic subarachnoid hemorrhage
ConclusionThis study demonstrated that a delayed increase in eosinophils after SAH occurs and may contribute to functional outcomes. The mechanism of this effect and the relationship with SAH pathophysiology merit further investigation.
Source: Frontiers in Neurology - February 21, 2023 Category: Neurology Source Type: research
Serum Interleukin-1 Levels Are Associated with Intracranial Aneurysm Instability
This study aimed to investigate whether IL-1 could discriminate the unstable IAs (ruptured intracranial aneurysms (RIAs) and symptomatic unruptured intracranial aneurysms (UIAs)) from stable, asymptomatic UIAs. IA tissues and blood samples from 35 RIA patients and 35 UIA patients were collected between January 2017 and June 2020 as the derivation cohort. Blood samples from 211 patients with UIAs were collected between January 2021 and June 2022 as the validation cohort (including 63 symptomatic UIAs). Blood samples from 35 non-cerebral-edema meningioma patients (non-inflammatory control) and 19 patients with unknown-cause ...
Source: Translational Stroke Research - February 16, 2023 Category: Neurology Source Type: research
Alpha-Asarone Ameliorates Neurological Dysfunction of Subarachnoid Hemorrhagic Rats in Both Acute and Recovery Phases via Regulating the CaMKII-Dependent Pathways
AbstractEarly brain injury (EBI) is the leading cause of poor prognosis for patients suffering from subarachnoid hemorrhage (SAH), particularly learning and memory deficits in the repair phase. A recent report has involved calcium/calmodulin-dependent protein kinase II (CaMKII) in the pathophysiological process underlying SAH-induced EBI. Alpha-asarone (ASA), a major compound isolated from the Chinese medicinal herbAcorus tatarinowii Schott, was proven to reduce secondary brain injury by decreasing CaMKII over-phosphorylation in rats ’ model of intracerebral hemorrhage in our previous report. However, the effect of ASA o...
Source: Translational Stroke Research - February 13, 2023 Category: Neurology Source Type: research
Anti-Apoptotic Effects of AMPA Receptor Antagonist Perampanel in Early Brain Injury After Subarachnoid Hemorrhage in Mice
This study was aimed to investigate if acute neuronal apoptosis is induced by activation of AMPA ( α-amino-3-hydroxy-5-methyl-4-isoxazole propionate) receptors (AMPARs) and inhibited by a clinically available selective AMPAR antagonist and antiepileptic drug perampanel (PER) in subarachnoid hemorrhage (SAH), and if the mechanisms include upregulation of an inflammation-related matricellular prot ein periostin. Sham-operated and endovascular perforation SAH mice randomly received an administration of 3 mg/kg PER or the vehicle intraperitoneally. Post-SAH neurological impairments and increased caspase-dependent neuronal ap...
Source: Translational Stroke Research - February 9, 2023 Category: Neurology Source Type: research
Sphingosine-1-phosphate Signalling in Aneurysmal Subarachnoid Haemorrhage: Basic Science to Clinical Translation
AbstractSphingosine-1-phosphate (S1P) is generated intracellularly and, when transported to the extracellular compartment, predominantly signals through S1P receptors. The S1P signalling pathway has been implicated in the pathophysiology of neurological injury following aneurysmal subarachnoid haemorrhage (aSAH). In this review, we bring together all the available data regarding the role of S1P in neurological injury following aSAH. There is agreement in the literature that S1P increases in the cerebrospinal fluid following aSAH and leads to cerebral artery vasospasm. On the other hand, the role of S1P in the parenchyma is...
Source: Translational Stroke Research - February 7, 2023 Category: Neurology Source Type: research
RCVS: by clinicians for clinicians —a narrative review
ConclusionIn general, the outcome of reversible cerebral vasoconstriction syndrome is very good. Vasospasm as well as thunderclap headache attacks can be fully reversible, and > 90% of patients are functionally independent at discharge.
Source: Journal of Neurology - January 30, 2023 Category: Neurology Source Type: research
