The increased incidence of spine surgery within the past decade has highlighted the importance of robust perioperative management to improve patient outcomes overall. Coronary artery disease is a common medical comorbidity present in the population of individuals who receive surgery for spinal pathology that is often treated with dual antiplatelet therapy (DAPT) after percutaneous coronary intervention. Discontinuation of DAPT before surgical intervention is typically indicated; however, contradictory evidence exists in the literature regarding the timing of DAPT use and discontinuation in the perioperative period.
View Article and Find Full Text PDFBackground: Cerebral vasospasm (CV) can contribute to significant morbidity in subarachnoid hemorrhage (SAH) patients. A key unknown is how CV induction is triggered following SAH.
Methods: Human aneurysmal blood and cerebral spinal fluid were collected for evaluation.
Our group recently identified a panel of ten genes whose RNA expression levels in whole blood have utility for detection of stroke. The purpose of this study was to determine the mechanisms by which these genes become differentially expressed during stroke pathology. First, we assessed the transcriptional distribution of the ten genes across the peripheral immune system by measuring their expression levels on isolated neutrophils, monocytes, B-lymphocytes, CD-4+ T-lymphocytes, CD-8+ T-lymphocytes, and NK-cells generated from the blood of healthy donors (n = 3).
View Article and Find Full Text PDFEarly and accurate diagnosis of stroke improves the probability of positive outcome. The objective of this study was to identify a pattern of gene expression in peripheral blood that could potentially be optimised to expedite the diagnosis of acute ischaemic stroke (AIS). A discovery cohort was recruited consisting of 39 AIS patients and 24 neurologically asymptomatic controls.
View Article and Find Full Text PDFBackground: The use of reference genes for normalization of whole blood qRT-PCR data may be problematic in conditions such as stroke which induce alterations in white blood cell differential. In this study, we assessed the influence of stroke on the stability of commonly employed reference genes, and we evaluated data-driven normalization as an alternative.
Methods: Peripheral whole blood was sampled from 33 stroke patients and 29 controls, and qRT-PCR was used to measure the expression levels of 10 target genes whose transcripts are known stroke biomarkers.
CD163 is a scavenger receptor expressed on innate immune cell populations which can be shed from the plasma membrane via the metalloprotease ADAM17 to generate a soluble peptide with lympho-inhibitory properties. The purpose of this study was to investigate CD163 as a possible effector of stroke-induced adaptive immune system suppression. Liquid biopsies were collected from ischemic stroke patients (n = 39), neurologically asymptomatic controls (n = 20), and stroke mimics (n = 20) within 24 hours of symptom onset.
View Article and Find Full Text PDFBackground: M2 occlusions may result in poor outcomes and potentially benefit from endovascular therapy. Data on the rate of M2 strokes is lacking.
Methodology: Patients with acute ischemic stroke discharged over a period of 3 years from a tertiary level hospital in the 'stroke belt' were evaluated for M2 occlusions on baseline vascular imaging.
Objective: The objective of this work was to assess the ability of peripheral blood cell-free DNA (cfDNA) levels to identify ischaemic stroke early in the acute phase of care, as well as to examine the relationship between peripheral blood cfDNA levels and stroke-induced innate immune system activation.
Methods: Upon emergency department admission, peripheral blood samples were obtained from 43 patients experiencing acute ischaemic stroke and 20 patients identified as stroke mimics. Plasma cfDNA levels were measured using quantitative polymerase chain reaction (qPCR), infarct volume and NIH stroke scale (NIHSS) were used to assess injury severity, and peripheral blood neutrophil count was used as a measure of innate immune system status.
Our group recently identified 16 genes whose peripheral blood expression levels are differentially regulated in acute ischemic stroke. The purpose of this study was to determine whether the early expression levels of any of these 16 genes are predictive for post-stroke blood brain barrier (BBB) disruption. Transcriptional expression levels of candidate genes were measured in peripheral blood sampled from ischemic stroke patients at emergency department admission, and BBB permeability was assessed at 24 hour follow up via perfusion-weighted imaging.
View Article and Find Full Text PDFObjective: The purpose of this study was to describe the structure of meaning in the experience of surviving stroke for adults living in Appalachia.
Methods: This qualitative phenomenological study includes a sample of 6 adult survivors of ischemic stroke who were discharged from either a community or university hospital to home in the Appalachian region. Data was collected through semi-structured interviews, transcribed, and analyzed thematically by two investigators.
Background: Data on large vessel strokes are important for resource allocation and infrastructure development.
Objective: To determine an annual incidence of large vessel occlusions (LVOs) and a thrombectomy eligible patient population.
Methods: All patients with acute ischemic stroke discharged over 3 years from a tertiary-level hospital serving a large geographic area were evaluated for an LVO (M1, internal carotid artery terminus, basilar artery).
Low health literacy (HL) has been associated with several negative health outcomes, yet routine HL screening is not commonplace. This study's purpose was to determine the feasibility of incorporating HL screening into the electronic health record (EHR) of patients admitted to a large Mid-Atlantic teaching hospital. After Registered Nurse (RN) training, the HL screening was implemented for all adult patients upon admission.
View Article and Find Full Text PDFObjective: The aim of this study was to compare baseline and year 1 findings from a research-focused academic-service partnership (ASP) designed to increase research capacity, evidence-based practice (EBP) use, and research productivity.
Background: Few combined individual and organizational best practices could be found that successfully sustain EBP. An ASP model, using structural and enabling processes, was evaluated.
Background And Purpose: Negative outcomes of stroke are associated with poorer quality of life (QoL) and impact stroke recovery. The purpose of this study was to characterize QoL and loneliness in a sample of rural Appalachian stroke survivors within 1 year of stroke.
Methods: Using mail survey methodology, survey data were collected from 121 ischemic and hemorrhagic stroke survivors living in West Virginia using 13 subscales from the Neuro-QOL survey and the three-item UCLA Loneliness Scale.
Purpose: The purpose of this study is to describe and examine relationships among sociodemographics, obesity, and depression management in Appalachian adults.
Data Sources: This study was conducted in a primary care center and used a cross-sectional, quantitative, nonexperimental descriptive, and predictive design. Data were obtained from a random sample of 240 adult records that were stratified by gender.
Ischemic stroke represents a leading cause of death worldwide and the leading cause of disability in the United States. Greater than 8% of all deaths are attributed to ischemic stroke. This rate is consistent with the heightened burden of cardiovascular disease deaths.
View Article and Find Full Text PDFThe translation of neuroprotective agents for ischemic stroke from bench-to-bedside has largely failed to produce improved treatments since the development of tissue plasminogen activator (tPA). One possible reason for lack of translation is the failure to acknowledge the greatest risk factor for stroke, age, and other common comorbidities such as hypertension, obesity, and diabetes that are associated with stroke. In this review, we highlight both mechanisms of studying these factors and results of those that have been addressed.
View Article and Find Full Text PDFIschemic stroke represents a leading cause of morbidity and mortality in the developed world. This disabling and sometimes fatal event puts an ever increasing burden on the family members and medical professionals who care for stroke victims. Preclinical ischemic stroke research has predominantly utilized young adult, healthy animals, a clear discrepancy when considering the clinical population affected by stroke.
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