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Sex differences and risk factors in recurrent ischemic stroke
ConclusionHypertension and dyslipidemia were significant risk factors of recurrent ischemic stroke in both genders. Smoking and alcohol drinking were significant risk factors associated with ischemic stroke recurrence in males. Therefore, smoking cessation and alcohol abstinence are recommended after the first stroke to prevent recurrent ischemic stroke especially for males. Diabetes was a significant risk factor of ischemic stroke recurrence in females. More extensive studies are needed to understand the causal relationship of each factors with ischemic stroke recurrence according to sex differences and specification of p...
Source: Frontiers in Neurology - January 26, 2023 Category: Neurology Source Type: research

Progressive Ataxia and Downbeat Nystagmus in an Adult
A 63-year-old man presented with a history of vomiting, hypertension, dyslipidemia, type 2 diabetes, dilated ischemic cardiomyopathy, alcohol use, and stroke; physical examination found appendicular dysmetria with truncal ataxia and downbeat nystagmus. Brain magnetic resonance imaging revealed a hyperintensity on T2-weighted and fluid-attenuated inversion recovery sequences without reduced diffusion in the cerebellar nodule. What is your diagnosis?
Source: JAMA Neurology - August 1, 2021 Category: Neurology Source Type: research

Progressive Ataxia and Downbeat Nystagmus in the Adult
A 63-year-old man presented with a history of vomiting, hypertension, dyslipidemia, type 2 diabetes, dilated ischemic cardiomyopathy, alcohol use, and stroke; physical examination found appendicular dysmetria with truncal ataxia and downbeat nystagmus. Brain magnetic resonance imaging revealed a hyperintensity on T2-weighted and fluid-attenuated inversion recovery sequences without reduced diffusion in the cerebellar nodule. What is your diagnosis?
Source: JAMA Neurology - May 17, 2021 Category: Neurology Source Type: research

Potential Applications of Remote Limb Ischemic Conditioning for Chronic Cerebral Circulation Insufficiency
Conclusion Due to its long-term and often invisible course, CCCI has received less attention than acute cerebral ischemic stroke. However, without appropriate intervention, CCCI may lead to a variety of adverse events. Because the pathophysiological changes associated with CCCI are complex, pharmacological research in this area has been disappointing. Recent research suggests that RLIC, which is less invasive and more well-tolerated than drug treatment, can activate endogenous protective mechanisms during CCCI. In the present report, we reviewed studies related to CCCI (Table 1), as well as those related to stroke and sta...
Source: Frontiers in Neurology - May 2, 2019 Category: Neurology Source Type: research

Stroke Dysbiosis Index (SDI) in Gut Microbiome Are Associated With Brain Injury and Prognosis of Stroke
Conclusions: We developed an index to measure gut microbiota dysbiosis in stroke patients; this index was significantly correlated with patients' outcome and was causally related to outcome in a mouse model of stroke. Our model facilitates the potential clinical application of gut microbiota data in stroke and adds quantitative evidence linking the gut microbiota to stroke. Introduction Ischemic stroke imposes a heavy burden on society, with 24.9 million cases worldwide (1). Although intravenous thrombolysis and endovascular treatment greatly improve some patients' prognosis, the prognosis for most pa...
Source: Frontiers in Neurology - April 23, 2019 Category: Neurology Source Type: research

Combination of Dexmedetomidine and Ketamine for Magnetic Resonance Imaging Sedation
Conclusions: The efficacy of DEX–KET sedation was comparable to that of midazolam for MRI examination. DEX–KET was related to shorter scan time and lower occurrence of complications compared to midazolam. Introduction Neurocritically ill patients often require brain magnetic resonance imaging (MRI) in addition to conventional neurological evaluations. Brain MRI can reveal structural lesions with a high sensitivity due to its excellent spatial resolution and enhanced soft tissue contrast (1–3). To acquire MRI images, patients' cooperation is imperative. However, keeping patients with ...
Source: Frontiers in Neurology - April 23, 2019 Category: Neurology Source Type: research

Characterizing the Penumbras of White Matter Hyperintensities and Their Associations With Cognitive Function in Patients With Subcortical Vascular Mild Cognitive Impairment
Conclusion In this study, reduced CBF and FA and increased MD in the inner NAWM layers for both PVWMH and DWMH suggested extensive WM alterations beyond the visible WM lesions commonly observed on clinical MRI of svMCI subjects. CBF penumbras cover more extensive WM at risk than DTI penumbras, suggesting the likelihood that compromised CBF precedes white matter integrity changes, and CBF penumbras may be a potential target for the prevention of further microstructural white matter damage. The imaging parameters investigated, however, did not correlate to cognition. Author Contributions YZ, QX, and XG conceived and desig...
Source: Frontiers in Neurology - April 11, 2019 Category: Neurology Source Type: research

Brain Magnetic Resonance Imaging of Intracerebral Hemorrhagic Rats after Alcohol Consumption
Alcoholism is one of the risk factors for cerebrovascular diseases. Our previous study demonstrated that acute alcohol intoxication enhances brain injury and neurological impairment in rats suffering from intracerebral hemorrhage (ICH). We plan to investigate the effect of chronic alcohol consumption (CAC) in rats with ICH by magnetic resonance imaging (MRI).
Source: Journal of Stroke and Cerebrovascular Diseases - September 8, 2018 Category: Neurology Authors: Li-Chuan Huang, Hock-Kean Liew, Hung-Yu Cheng, Jon-Son Kuo, Wen-Lin Hsu, Cheng-Yoong Pang Source Type: research

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

Impact of Alcohol Consumption on the Outcome of Ischemic Stroke and Thrombolysis: Role of the Hepatic Clearance of Tissue-Type Plasminogen Activator Basic Sciences
Conclusions— An efficient liver-driven clearance of tPA might influence the safety of thrombolysis after stroke.
Source: Stroke - May 22, 2015 Category: Neurology Authors: Lemarchand, E., Gauberti, M., Martinez de Lizarrondo, S., Villain, H., Repesse, Y., Montagne, A., Vivien, D., Ali, C., Rubio, M. Tags: Acute Cerebral Infarction, Thrombolysis Basic Sciences Source Type: research

Early Clinical Signs, Lesion Localization, and Prognostic Factors in Unilateral Symptomatic Internal Carotid Artery Occlusion
Conclusions: In unilateral symptomatic intracranial carotid artery occlusion, poor prognosis and high mortality–associated territorial stroke pattern is frequently observed. Besides, presence of severe stenosis or occlusion and absence of collateral circulation in MCA are associated with poor prognosis.
Source: Journal of Stroke and Cerebrovascular Diseases - April 18, 2014 Category: Neurology Authors: Sibel Güler, Ufuk Utku, Özer Aynaci Tags: Original Articles Source Type: research

Early Menopause and the Risk of Silent Brain Infarction in Community-Dwelling Elderly Subjects: The Sefuri Brain MRI Study
Our previous study showed that the male predominance of silent brain infarction (SBI) was largely because of higher prevalence of alcohol habit and smoking in men than in women. In the present study, we further conducted an analysis of brain magnetic resonance imaging findings to examine whether early menopause contributes to SBI in community-dwelling subjects. Women were queried as to the age and cause of menopause, the total number of children, and the age at giving birth to her last child. Among 306 female subjects aged 60 years or older, univariate analysis showed that early menopause (total or natural) was significan...
Source: Journal of Stroke and Cerebrovascular Diseases - September 16, 2013 Category: Neurology Authors: Kenji Fukuda, Yuki Takashima, Manabu Hashimoto, Akira Uchino, Takefumi Yuzuriha, Hiroshi Yao Tags: Original Articles Source Type: research