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Specialty: Neurology
Condition: Subarachnoid Hemorrhage
Education: Study

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Total 1373 results found since Jan 2013.

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

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

Exploring Stroke Risk Factors and Outcomes in Sexual and Gender Minority People
Discussion SGM people may have different risk factors, different mechanisms of stroke, and higher risk of recurrent stroke compared with non-SGM people. Standardized collection of sexual orientation and gender identity would enable larger studies to further understand disparities, leading to secondary prevention strategies.
Source: Neurology Clinical Practice - January 18, 2023 Category: Neurology Authors: Diaz, M. A., Rosendale, N. Tags: Research Article Source Type: research

Netrin-1 Alleviates Early Brain Injury by Regulating Ferroptosis via the PPAR γ/Nrf2/GPX4 Signaling Pathway Following Subarachnoid Hemorrhage
This study aimed to evaluat e the neuroprotective effects and the possible molecular basis of NTN-1 in SAH-induced EBI by modulating neuronal ferroptosis using the filament perforations model of SAH in mice and the hemin-stimulated neuron injury model in HT22 cells. NTN-1 or a vehicle was administered 2 h following SAH. We e xamined neuronal death, brain water content, neurological score, and mortality. NTN-1 treatment led to elevated survival probability, greater survival of neurons, and increased neurological score, indicating that NTN-1-inhibited ferroptosis ameliorated neuron death in vivo/in vitro in response to SA ...
Source: Translational Stroke Research - January 12, 2023 Category: Neurology Source Type: research

Characterizing the individual course of health-related quality of life after subarachnoid haemorrhage: Latent growth mixture modelling
Survivors of aneurysmal subarachnoid haemorrhage (SAH) show heterogeneous profiles of health-related quality of life (HrQoL). The aim of this study was to characterize individual differences in the course of HrQoL following SAH using latent growth mixture modelling (LGMM).
Source: Journal of Stroke and Cerebrovascular Diseases - January 9, 2023 Category: Neurology Authors: Yaroslav Winter, Jens Klotsche, Florian Ringel, Annika Spottke, Thomas Klockgether, Horst Urbach, Bernhard Meyer, Richard Dodel Source Type: research

Clinical Burden of Angiographic Vasospasm and Its Complications After Aneurysmal Subarachnoid Hemorrhage: A Systematic Review
ConclusionPatients with angiographic VSP and its related complications often had poor functional, neurological, and cognitive outcomes and reduced odds of survival both in hospital and at follow-up. We estimate that angiographic VSP and its related complications, DCI and cerebral infarction, lead to an approximately threefold higher odds of poor functional and cognitive outcomes, and about a twofold increase in the odds of death.
Source: Neurology and Therapy - January 7, 2023 Category: Neurology Source Type: research

Peroxiredoxin-3 Plays a Neuroprotective Role in Early Brain Injury after Experimental Subarachnoid Hemorrhage in Rats
In conclusion, PRDX3 participates in neuronal protection by inhibiting the neuronal mitochondria-mediated death pathway; PRDX3 may be an important target for EBI intervention after SAH.PMID:36566946 | DOI:10.1016/j.brainresbull.2022.12.010
Source: Brain Research - December 25, 2022 Category: Neurology Authors: Haibo Li Zongqi Wang Xueshun Xie Muyun Luo Haitao Shen Xiang Li Haiying Li Zhong Wang Xiangdong Li Gang Chen Source Type: research

Peroxiredoxin-3 plays a neuroprotective role in early brain injury after experimental subarachnoid hemorrhage in rats
In conclusion, PRDX3 participates in neuronal protection by inhibiting the neuronal mitochondria-mediated death pathway; PRDX3 may be an important target for EBI intervention after SAH.PMID:36566946 | DOI:10.1016/j.brainresbull.2022.12.010
Source: Brain Research Bulletin - December 25, 2022 Category: Neurology Authors: Haibo Li Zongqi Wang Xueshun Xie Muyun Luo Haitao Shen Xiang Li Haiying Li Zhong Wang Xiangdong Li Gang Chen Source Type: research

Peroxiredoxin-3 Plays a Neuroprotective Role in Early Brain Injury after Experimental Subarachnoid Hemorrhage in Rats
In conclusion, PRDX3 participates in neuronal protection by inhibiting the neuronal mitochondria-mediated death pathway; PRDX3 may be an important target for EBI intervention after SAH.PMID:36566946 | DOI:10.1016/j.brainresbull.2022.12.010
Source: Brain Research Bulletin - December 25, 2022 Category: Neurology Authors: Haibo Li Zongqi Wang Xueshun Xie Muyun Luo Haitao Shen Xiang Li Haiying Li Zhong Wang Xiangdong Li Gang Chen Source Type: research

Possible Contribution of the Aspiration Catheter in Preventing Post-stent Retriever Thrombectomy Subarachnoid Hemorrhage
ConclusionThe combined technique significantly influenced PTSAH occurrence as a  preventive factor.
Source: Clinical Neuroradiology - December 22, 2022 Category: Neurology Source Type: research

Cerebral hemorrhage after thrombolysis in stroke patients with unruptured intracranial aneurysms: a systemic review and meta-analysis
ConclusionsIVT is unlikely to induce hemorrhage of pre-existing unruptured aneurysms in stroke patients. Further randomized control studies are warranted to validate these conclusions.Graphical abstract
Source: Journal of Neurology - December 22, 2022 Category: Neurology Source Type: research