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Compared to 100 consecutive patients thrombolysed in the months prior to April 2017 where the mean DNT was 57 min, with 67% thrombolysed within 60 min and 47% being thrombolysed within 45 min, there was a mean DNT decrease of 16 min with 1.3x increase in DNT < 60 min. This difference was statistically significant after adjusting for age, sex and NIHSS Score (p=0.005, One-Way ANOVA).
We have been able to demonstrate a significant improvement in DNT using mobile app as a tool to improve team performance.
We have been able to demonstrate a significant improvement in DNT using mobile app as a tool to improve team performance.
To study the central nervous system (CNS) complications in patients with COVID-19 infection especially among Native American population in the current pandemic of severe acute respiratory syndrome virus (COVID-19).
Patients with confirmed COVID-19 infection at University of New Mexico hospital (UNMH) were screened for development of neurological complications during Feb 01 to April 29, 2020 via retrospective chart review.
Total of 90 hospitalized patients were screened. Out of seven patients, majority were Native Americans females, and developed neurological complications including subarachnoid hemorrhage (SAH), Intraparenchymal hemorrhage (IPH), Ischemic stroke (IS) and seizure. All 7 patients required Intensive care unit (ICU) level of care. Patients who developed CNS complications other than seizure were females in the younger age group (4 patients, 38-58 years) with poor outcome. Out of 7, three developed subarachnoid hemorrhage, two developed ischemic infarction, and four developed seizure. Two patients with hemorrhagic complication expired during the course of hospitalization. All three patients with seizure were discharged to home.
Patients with serious CNS complications secondary to COVID-19 infection were observed to be Native Americans. Patients who developed hemorrhagic or ischemic events were observed to have poor outcomes as compared to patients who developed seizures.
Patients with serious CNS complications secondary to COVID-19 infection were observed to be Native Americans. Patients who developed hemorrhagic or ischemic events were observed to have poor outcomes as compared to patients who developed seizures.
Early brain injury (EBI) refers to acute brain injury during the first 72 h after subarachnoid hemorrhage (SAH), which is one of the major causes of poor prognosis after SAH. Here, we investigated the effect and the related mechanism of TSG-6 on EBI after SAH.
The Sprague-Dawley rat model of SAH was developed by the endovascular perforation method. TSG-6 (5μg) was administered by an intraventricular injection within 1.5 h after SAH. The effects of TSG-6 on EBI were assessed by neurological score, brain water content (BWC) and TUNEL staining. Immunofluorescence staining was used to assay NF-κB/p-NF-κB expression in microglia. Protein expression levels of heme oxygenase-1 (HO-1), NADPH oxidase 2 (Nox2), Bcl-2, Bax, and cleaved-caspase-3 were measured to investigate the potential mechanism. The enzyme activity of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) and the level of reactive oxygen species (ROS) were analyzed using commercially available kits.
The results showed that TSG-6 treatment alleviated the neurobehavioral dysfunction and reduced BWC and the number of TUNEL-positive neurons in EBI after SAH. TSG-6 decreased the ROS level and enhanced the enzyme activity of SOD and GSH-Px after SAH. Furthermore TSG-6 inhibited the NF-κB activation, increased the protein expression levels of HO-1 and Bcl-2 and decreased the expression levels of Nox2, Bax, and cleaved-caspase-3. The administration of TSG-6 siRNA abolished the protective effects of TSG-6 on EBI after SAH.
We found that TSG-6 attenuated oxidative stress and apoptosis in EBI after SAH partly by inhibiting NF-κB and activating HO-1 pathway in brain tissue.
We found that TSG-6 attenuated oxidative stress and apoptosis in EBI after SAH partly by inhibiting NF-κB and activating HO-1 pathway in brain tissue.
Many patients with stroke also have sleep breathing disorders (SBD), most of which is obstructive sleep apnea (OSA).
Sixty patients with a history of stroke aged under 55 years were included in our study. The demographic characteristics (age at stroke, sex, body mass index) of the patients and etiology of stroke was evaluated according to the Trial of Org 10712 in Acute Stroke (TOAST) classification. The National Institute of Health Stroke Scale (NIHSS) and Modified Rankin Scale (MRS) were used to evaluate functionality. All patients underwent polysomnography (PSG) investigations.
Based on PSG investigations, seven patients were normal, 10 had primary snoring, and 14 had mild, 11 had moderate, and 18 had severe OSA. The demographic characteristics did not differ significantly between the groups. No significant correlation was found between disease severity and NIHSS, MRS or TOAST classifications. Large artery atherosclerosis in the etiology, facial paralysis and dysarthria in the neurological examination, and brain stem involvement in the stroke location were observed to accumulate in the severe OSA group. When the anterior system, posterior system, and association of both were compared for vessel location, no significant difference was found regarding circulatory systems.
It is considered that SBD has also a role in the etiology of stroke in patients aged under 55 years, and it should be taken into consideration as much as other risk factors. This is the first study to emphasize the importance of this topic in the literature.
It is considered that SBD has also a role in the etiology of stroke in patients aged under 55 years, and it should be taken into consideration as much as other risk factors. This is the first study to emphasize the importance of this topic in the literature.
Pharmacological inhibition of GABAergic synapses could represent a potent neuromodulation strategy to activate hippocampal neurons and increase neurotrophic factor gene expression, thus exerting a beneficial effect on post-stroke cognitive impairment (PSCI). The objective of this study was to assess the effects of low-level inhibition of GABAergic synapses on hippocampal gene expressions related to neuroplasticity using the middle cerebral artery occlusion surgery (MCAO) ischemic stroke rat model.
The animals were randomly assigned to three experimental groups-(1) a sham operated group (SHAM), (2) a control group (CON), and (3) a bicuculline group (BIC). MCAO was performed in the CON and BIC groups. A non-epileptic dose of bicuculline (0.25 mg/kg) was intraperitoneally administered every day for two weeks, starting three days after surgery, to the rats in the BIC group. The mRNA expression of brain-derived neurotrophic factor (BDNF), tropomyosin-related kinase B (TrkB), in relation to neurotrophic intraces after stroke.
Positive pivotal trials followed by guideline endorsement can be a major driver of change in US national medical practice patterns. We therefore analyzed national trends in the use and outcomes of mechanical thrombectomy for acute ischemic stroke due to large vessel occlusion before and after the 2015 publication of pivotal trials and the US guideline update.
We analyzed the National Inpatient Sample from 2012-2016. Ischemic stroke and mechanical thrombectomy patients were identified using ICD-9 and ICD-10. The primary efficacy outcome measure was discharge to home, which strongly correlates with mild degree of disability at discharge. Safety outcomes include in-hospital mortality and in-hospital medical complications.
From 2012-2016, 2,394,550 discharges were recorded with a diagnosis of ischemic stroke, including 39,150 (1.6%) treated with mechanical thrombectomy. The number and proportion of stroke patients undergoing mechanical thrombectomy annually rose from 4,910/452,905 (1.1%) in 2012 to 11,860/5ted States, thrombectomy treatment for acute ischemic stroke increased rapidly and substantially in frequency following publication of positive clinical trials and US guideline update in 2015, accompanied by improved functional outcomes and reduced peri-procedural mortality.
To evaluate benefits and harms for computer based cognitive rehabilitation (CBCR) on working memory impairment after stroke.
PRISMA guidelines were followed. Four electronic databases were systematically searched Embase, Pubmed/Medline, PsycInfo and Cochrane Library. Authors of relevant studies were contacted to detect unpublished data or articles not found by searching databases.
Studies were eligible for inclusion in the systematic review if they 1) investigated the effects of CBCR on working memory after acquired brain injury in a patient sample which consisted of at least 50% stroke-patients, 2) it was possible to isolate the effects of CBCR-training by comparison to passive or active control groups, and 3) if the outcome assessment included a quantitative working memory outcome measure either isolated or as part of a general outcome measure. Included studies were further eligible for the meta-analysis if 1) they were conducted as a randomized controlled trial, 2) they included only stroke patients,iew is registered in Prospero with registration ID CRD42018087437.
To determine the proportion of subtypes of ischemic strokes, vascular risk factors and treatment prior to stroke between 1997 and 2018 in a single institution in Argentina.
Demographics, risk factors, medications and TOAST subtypes were assessed and compared in ischemic stroke patients admitted during two periods of time, 1997-2007 (P1) and 2008-2018 (P2).
There were 2747 patients (64% men, aged 67 ±15 years), 920 subjects in P1 and 1827 in P2. Age and gender distribution did not change over time. Proportion of large artery atherothrombotic strokes decreased from 29% in P1 to 14% in P2 (p <0.0001) and small vessel strokes from 15% to 11% (p <0.05). Cardioembolic and undetermined strokes increased from 17 to 25% (p <0.0001) and from 30% to 41% (p <0.0001), respectively. There were no changes in stroke of other etiologies (9% in both periods). Detection of atrial fibrillation increased from 14% to 19% (p<0.001). Use of medications prior to stroke increased for aspirin from 27% to 45% (p <0.0001), for antihypertensive drugs from 26% to 62% (p <0.0001), for statins from 14% to 42% (p<0.0001) and for anticoagulants from 4% to 9% (p<0.0001).
The proportion of strokes associated to large and small vessel atherosclerosis is declining in our population with an increase in the proportion of cardioembolic and undetermined strokes. Better management of risk factors and higher prevalence and/or better screening for atrial fibrillation could explain, at least in part, these findings.
The proportion of strokes associated to large and small vessel atherosclerosis is declining in our population with an increase in the proportion of cardioembolic and undetermined strokes. Better management of risk factors and higher prevalence and/or better screening for atrial fibrillation could explain, at least in part, these findings.
Although many emergency departments (EDs) have telestroke capacity, it is unclear why some EDs consistently use telestroke and others do not. selleckchem We compared the characteristics and practices of EDs with robust and low assimilation of telestroke.
We conducted semi-structured interviews with representatives of EDs that received telestroke services from 10 different networks and had used telestroke for a minimum of two years. We used maximum diversity sampling to select EDs for inclusion and applied a positive deviance approach, comparing programs with robust and low assimilation. Data collection was informed by the Consolidated Framework for Implementation Research. For the qualitative analysis, we created site summaries and conducted a supplemental matrix analysis to identify themes.
Representatives from 21 EDs with telestroke, including 11 with robust assimilation and 10 with low assimilation, participated. In EDs with robust assimilation, telestroke workflow was highly protocolized, programs had the support of leadership, telestroke use and outcomes were measured, and individual providers received feedback about their telestroke use.
Homepage: https://www.selleckchem.com/products/e7449.html
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