Hospitalization For Ischemic Stroke Research Articles

Non-cardiac birth defects and long-term risk of cardiovascular hospitalisation

BackgroundPatients with heart defects are at risk of developing cardiovascular disease. Our objective was to determine if non-cardiac birth defects are associated with the risk of cardiovascular hospitalisation.MethodsWe conducted a...

Trends in the Use of Medications for Secondary Ischemic Stroke Prevention in Denmark, 2005-2021.

Understanding trends in the use of medications for secondary stroke prevention is crucial for identifying areas for improvement in stroke care. We examined the use of lipid-lowering, antihypertensive, glucose-lowering, oral anticoagulant, and antiplatelet medications after ischemic stroke hospitalization, from 2005 to 2021. Using nationwide registries in Denmark, we identified a cohort of patients discharged from hospital with a first-time or recurrent ischemic stroke (N = 150,744). Stratified by calendar year, we ascertained the 180-day probability of filling a prescription for the abovementioned medications after discharge. We further assessed factors associated with medication use. From 2005 to 2021, lipid-lowering medication use increased from 58.3% to 82.0%; atorvastatin use rose from 2.1% to 64.8% and simvastatin use decreased from 55.7% to 8.6%. Antihypertensive medication use remained stable, at approximately 89%, and various antihypertensive classes were used comparably. Glucose-lowering medication use increased from 71.5% in 2005 to 84.1% in 2021, driven primarily by an increase in metformin use (from 28.0% to 59.5%). Use of glucagon-like peptide-1 receptor agonists and sodium-glucose cotransporter-2 inhibitors continually increased (from 1.7% to 17.5% and from 0.5% to 17.3%, respectively) between 2015 and 2021. Anticoagulant medication use rose from 45.9% in 2005 to 87.0% in 2021, primarily because of increased use of direct oral anticoagulant medications starting around 2010 and a decline in warfarin use. Antiplatelet use remained consistently high, at approximately 95%. Trends were consistent across subgroups of interest; however, overall medication use was lower in older patients (65 years and older), patients with severe stroke, and patients with neurologic and psychiatric comorbidities. Despite increasing trends in the use of 3 of 5 medication classes, the overall use of lipid-lowering, glucose-lowering, and oral anticoagulant medications was somewhat lower than expected according to clinical guidelines, particularly among older patients with more severe stroke and other comorbidities. The relatively low use in these subgroups may signify appropriate clinical decision making in consideration of frequent contraindications and reduced life expectancy or highlight potential areas of improvement for the care of patients with recent ischemic stroke.

Anticoagulants versus Antiplatelet Treatment in the Medical Management of Carotid Floating Thrombus

Carotid free-floating thrombus (CFT) is a rare cause of stroke describing an intraluminal thrombus that is loosely associated with the arterial wall and manifesting as a filling defect fully surrounded by flow on vascular imaging. Unfortunately, there is no clear consensus among experts on the ideal treatment for this pathology. Retrospective analysis of acute ischemic stroke (AIS) and transient ischemic attack (TIA) patients diagnosed with CFT on computed tomography angiogram (CTA) between January 2015-March 2023. We aimed to compare two treatment regimens: anticoagulation (ACT) and antiplatelet (APT) in the treatment of CFT. APT regimens included the use of dual or single antiplatelets (DAPT or SAPT; aspirin, clopidogrel and ticagrelor) and ACT regimens included the use of direct oral anticoagulants, warfarin, heparin or low molecular weight heparin +/- ASA. Patients that underwent mechanical thrombectomy were excluded. During study time there were 8252 acute ischemic stroke hospitalizations, of which 135 (1.63 %) patients were diagnosed with CFT. Sixty-six patients were included in our analysis. Patients assigned to APT were older (60.41years ± 12.82;p < 0.01). Other demographic variables were similar between ACT and APT groups. Complete CFT resolution on repeat vascular imaging was numerically higher at 30 days (58.8 vs 31.6 %, respectively; p = 0.1) and at latest follow-up (70.8 vs 50 %; p = 0.1) on ACT vs APT, respectively without reaching statistical significance. Similarly, there was numerically higher rates of any ICH with ACT compared to APT but it did not achieve statistical significance (27.6 % vs 13.5 %; p = 0.5). There were similar rates of PH1/2 hemorrhagic transformation, independence at discharge and similar hospital length of stay between ACT and APT groups. Patients assigned to APT were more likely to be discharged on their assigned treatment compared to those assigned to ACT (86.5 vs 55.2 %; p < 0.001). The rate of 30-day recurrent stroke was comparable among ACT and APT at 30 days (3.4 vs 0 %; p = 0.1, respectively). Subgroup analysis comparing exclusive ACT vs Dual APT lead to similar results. Our study showed comparable efficacy and safety outcomes in CFT patients who were exclusively managed medically with ACT vs APT. Larger prospective studies are needed.

Ischemic Stroke and Reduced Left Ventricular Ejection Fraction: A Multidisciplinary Approach to Optimize Brain and Cardiac Health.

Reduced left ventricular ejection fraction ≤40%, a known risk factor for adverse cardiac outcomes and recurrent acute ischemic stroke, may be detected during an acute ischemic stroke hospitalization. A multidisciplinary care paradigm informed by neurology and cardiology expertise may facilitate the timely implementation of an array of proven heart failure-specific therapies and procedures in a nuanced manner to optimize brain and cardiac health.

Differences in Receipt of Neurologist Evaluation During Hospitalization for Ischemic Stroke by Race, Sex, Age, and Region: The REGARDS Study.

Improving access to health care providers with clinical expertise in stroke care may influence the use of recommended strategies for reducing disparities in quality of care. Few studies have examined differences in the receipt of evaluation by neurologists during the hospital stay. We examined the proportion of individuals hospitalized for acute ischemic stroke who received evaluation by a neurologist during the hospital stay and characterized differences in receipt of neurologist evaluation by race (Black vs White), sex, age, and study region (Stroke Belt residence vs other) among those experiencing a stroke who were participating in a national cohort study. This cross-sectional study was conducted using medical record data abstracted from 1,042 participants enrolled in the national Reasons for Geographic and Racial Differences in Stroke cohort study (2003-2007) who experienced an adjudicated ischemic stroke between 2003 and 2016. Participants with a history of stroke before baseline, in-hospital death, hospice discharge following their stroke, or incomplete records were excluded resulting in 839 cases. Differences were assessed using modified Poisson regression adjusting for participant-level and hospital-level factors. Of the 839 incident strokes, 722 (86%) received evaluation by a neurologist during the hospital stay. There were no significant differences by age, race, or sex, yet Stroke Belt residents and those receiving care in rural hospitals were significantly less likely to receive neurologist evaluation compared with non-Stroke Belt residents (relative risk [RR] 0.95; 95% CI 0.90-1.01) and participants receiving care in urban hospitals (RR 0.74; 95% CI 0.63-0.86). Participants with a greater level of poststroke functional impairment (modified Rankin scale) and those with a greater number of risk factors were more likely to receive neurologist evaluation compared with those with lower levels of poststroke functional impairment (RR 1.04; 95% CI 1.01-1.06) and fewer risk factors (RR 1.02; 95% CI 1.00-1.04). While differences in access to neurologists during the hospital stay were partially explained by patient need in our study, there were also significant differences in access by region and urban-rural hospital status. Ensuring access to neurologists during the hospital stay in such settings may require policy-level and/or system-level changes.

Disparities in Treatment and Discharge Outcomes Among Cannabis Users in Ischemic Stroke Hospitalizations (P2-5.009)

Disparities in Treatment and Discharge Outcomes Among Cannabis Users in Ischemic Stroke Hospitalizations (P2-5.009)

Community Socioeconomic Status, Acute Cardiovascular Hospitalizations, and Mortality in Medicare, 2003 to 2019.

Socioeconomically disadvantaged communities in the United States disproportionately experience poor cardiovascular outcomes. Little is known about how hospitalizations and mortality for acute cardiovascular conditions have changed among Medicare beneficiaries in socioeconomically disadvantaged and nondisadvantaged communities over the past 2 decades. Medicare files were linked with the Centers for Disease Control and Prevention's social vulnerability index to examine age-sex standardized hospitalizations for myocardial infarction, heart failure, ischemic stroke, and pulmonary embolism among Medicare fee-for-service beneficiaries ≥65 years of age residing in socioeconomically disadvantaged communities (highest social vulnerability index quintile nationally) and nondisadvantaged communities (all other quintiles) from 2003 to 2019, as well as risk-adjusted 30-day mortality among hospitalized beneficiaries. A total of 10 942 483 Medicare beneficiaries ≥65 years of age were hospitalized for myocardial infarction, heart failure, stroke, or pulmonary embolism (mean age, 79.2 [SD, 8.7] years; 53.9% female). Although age-sex standardized myocardial infarction hospitalizations declined in socioeconomically disadvantaged (990-650 per 100 000) and nondisadvantaged communities (950-570 per 100 000) from 2003 to 2019, the gap in hospitalizations between these groups significantly widened (adjusted odds ratio 2003, 1.03 [95% CI, 1.02-1.04]; adjusted odds ratio 2019, 1.14 [95% CI, 1.13-1.16]). There was a similar decline in hospitalizations for heart failure in socioeconomically disadvantaged (2063-1559 per 100 000) and nondisadvantaged communities (1767-1385 per 100 000), as well as for ischemic stroke, but the relative gap did not change for both conditions. In contrast, pulmonary embolism hospitalizations increased in both disadvantaged (146-184 per 100 000) and nondisadvantaged communities (153-184 per 100 000). By 2019, risk-adjusted 30-day mortality was similar between hospitalized beneficiaries from socioeconomically disadvantaged and nondisadvantaged communities for myocardial infarction, heart failure, and ischemic stroke but was higher for pulmonary embolism (odds ratio, 1.10 [95% CI, 1.01-1.20]). Over the past 2 decades, hospitalizations for most acute cardiovascular conditions decreased in both socioeconomically disadvantaged and nondisadvantaged communities, although significant disparities remain, while 30-day mortality is now similar across most conditions.

EASY-NET Program: Effectiveness of an Audit and Feedback Intervention in the Emergency Care for Acute Conditions in the Lazio Region.

The EASY-NET network program (NET-2016-02364191)-effectiveness of audit and feedback (A&F) strategies to improve health practice and equity in various clinical and organizational settings), piloted a novel and more structured A&F strategy. This study compared the effectiveness of the novel strategy against the sole periodic dissemination of indicators in enhancing the appropriateness and timeliness of emergency health interventions for patients diagnosed with acute myocardial infarction (AMI) and ischemic stroke in the Lazio Region. The efficacy of the intervention was assessed through a prospective quasi-experimental design employing a pre- and post-intervention (2021-2022) comparison with a control group. Participating hospitals in the Lazio Region, where professional teams voluntarily engaged in the intervention, constituted the exposed group, while the control group exclusively engaged in routine reporting activities. Effectiveness analysis was conducted at the patient level, utilizing regional health information systems to compute process and outcome indicators. The effectiveness of the intervention was evaluated using difference-in-difference models, comparing pre- and post-intervention periods between exposed and control groups. Estimates were calculated in terms of the difference in percentage points (PP) between absolute risks. Sixteen facilities for the AMI pathway and thirteen for the stroke pathway participated in the intervention. The intervention yielded a reduction in the proportion of 30-day readmissions following hospitalization for ischemic stroke by 0.54 pp in the exposed patients demonstrating a significant difference of -3.80 pp (95% CI: -6.57; -1.03; 5453 patients, 63.7% cases) in the exposed group compared to controls. However, no statistically significant differences attributable to the implemented A&F intervention were observed in other indicators considered. These results represent the first evidence in Italy of the impact of A&F interventions in an emergency setting, utilizing aggregated data from hospitals involved in the Lazio Region's emergency network.

Abstract P246: Geographical Mapping and Cluster Analysis of Ischemic Stroke in Kentucky

Background: Stroke death is the third leading cause of death in the United States, the sixth leading cause of death in Kentucky (KY), and ischemic stroke (IS) is the most prevalent type in adults (~85%). Small area estimates of stroke incidence can help identify local interventions to lower the burden of vascular risk factors and risk of recurrent IS in these areas. Therefore, the goals of this study are to calculate small area IS incidence rates, examine clusters, and understand the distribution of IS in KY. Methods: Data was obtained from the Kentucky Hospital Inpatient Discharge and Outpatient Services Databases (HIDOSD) from 2012 to 2021; and the Kentucky Cabinet for Health and Family Services. HIDOSD represents KY emergency department discharges, inpatient data, and ambulatory facility services. We linked 5-digit Zip codes to (n=759) zip code tabulation areas (ZCTA) available from the US Census Bureau. The annualized IS rate per 100,000 was calculated by dividing the mean number of IS hospitalizations from 2012 to 2021 by the ZCTA 2020 population. We categorized IS rates by quartiles and calculated box plots in descriptive analyses. We tested for significant spatial clusters using the Local Moran’s I with Empirical Bayes rate smoothing in GeoDa. Results: From 2012-2021, 90,840 IS hospitalizations were reported in KY. The median IS rate was 226.5 per 100,000. The median rate in the highest quartile was 290.8 (IQR 171.7 - 290.8) vs 171.7 (IQR 171.7 - 290.8) in the lowest quartile. An area of high IS rate clusters (n=20) was identified in southeastern KY with lower clusters dispersed throughout the state. Figure. Conclusions: This 10-year analysis of IS hospitalizations across KY identified areas of potential intervention. Future efforts are needed to identify the social and medical contributors driving burden of IS in these areas and to design interventions targeted to improve health outcomes.

Abstract WMP106: The Impact of Social Determinants of Health on Ambulatory Status at Discharge Following Acute Ischemic Stroke: Findings From the Get With the Guidelines-Stroke Registry

Background: Medical comorbidities and stroke risk factors only explain a proportion of stroke incidence and outcomes in different populations. Social determinants of health(SDOH)have been associated with incident stroke. The objective of our analysis was to determine if SDOH are associated with ambulatory status at discharge following acute ischemic stroke(IS) hospitalization. Methods: We included IS patients hospitalized from January 1, 2015-December 31, 2019 who were ambulating at baseline and had known county of residence in the GWTG registry. The primary outcome measure was ambulatory status at discharge, defined as ability to ambulate with or without the assistance of a device or person. Estimates of SDOH including education status, income, employment status, poverty and foreign-born residents at patients’ residence county were the main predictors. Baseline demographics, clinical comorbidities, stroke center certification status among other logistic and event-related factors were analyzed. Covariates included demographic, clinical factors and hospital-related factors. Estimates of county level SDOH were classified into quartiles and the relative odds of outcome were assessed using a multivariable logistic regression. Results: Of 1,171,519 observations included in our final analysis, median age was 71 years, 49% were female, 78% were of white ethnicity and 45% were insured through Medicaid/Medicare. In multivariable logistic regression analysis adjusting for baseline characteristics, counties with the lowest quartile education level had a lower likelihood of being ambulatory at discharge than the highest quartile (OR0.91[95%CI 0.86-0.96],p=0.001).Patients from counties with the lowest quartile of foreign-born residents were more likely to be ambulatory at discharge than the highest quartile (OR1.11[95%CI 1.05-1.18];P=0.001). Income, employment status, and poverty were not associated with ambulatory status at discharge. Conclusion: County level SDOH including education and percentage of foreign born population were associated with ambulatory status at discharge after ischemic stroke hospitalization. Our findings can be used to develop interventions that reduce inequity in ischemic stroke outcomes at discharge.

Abstract WP257: Prevalence of Co-Morbid Ischemic Stroke and Antiphospholipid Syndrome and Characteristics of Patients: Analysis of the National Inpatient Sample

Background: Antiphospholipid syndrome (APLS) is an acquired thrombophilia that is a known cause of ischemic stroke (IS). However, there is a paucity of population-based studies of the prevalence and effects of APLS diagnosis on patients hospitalized with IS. Here we use the National Inpatient Sample (NIS) to evaluate the characteristics of patients admitted to the hospital for IS with a diagnosis of APLS. Methods: Adult patients in the NIS from 2016-20 with non-elective admissions and a primary discharge diagnosis of IS (ICD-10 I63*) were included. The study exposure was APLS, defined in ICD-10 codes D68.61-62. We excluded individuals with ICD codes for other thrombophilia conditions (D6*). The primary outcomes were in-hospital death vs good outcome (discharge home/self care). We fit logistic regression models adjusted for age, race/ethnicity, Charlson index, household income by ZIP code, administration of IV thrombolysis or thrombectomy (EVT), hospital teaching status, census region, and bedsize. Results: We included 434,463 IS discharges, of which 1,407 had APLS. Discharges with APLS were younger, more likely to be female, non-white, lower income, less vascular comorbidities, and less likely to receive IV thrombolysis but more likely to receive EVT (Table 1). In the multivariable logistic regression model, those with APLS were more likely to have in-hospital death (OR 1.49, 95% CI 1.12-1.98, p=0.006) and less likely to have discharge home (OR 0.70, 955 CI 0.62-0.78, p&lt;0.001). In a subset of this cohort (n=175,428), the NIH Stroke Scale (NIHSS) was available and not significantly different (p=0.768) between patients with and without APLS. Conclusion: IS with APLS happens in younger individuals with fewer vascular risk factors but worse outcomes and higher odds of in-hospital death. The NIHSS findings suggested that stroke severity alone does not account for the observed differences in outcome. Further research is needed to understand these findings and their causes. .

Abstract TP124: Evaluating Secondary Stroke Prevention Following Discharge From a Community Hospital

Background: Having major effects on both morbidity and mortality, stroke has become a large health burden worldwide. This disease state not only is the second leading cause of death; but also leaves about half of survivors chronically disabled. The 2021 AHA guidelines state that the risk of a recurrent stroke can be mitigated with appropriate secondary stroke prevention. The success of these interventions following discharge from the hospital largely lies in the hands of both the primary care physician and the patient. The goal of this investigation is to determine patient and provider compliance with risk factor modification and drug therapy within 3 months of hospitalization for acute ischemic stroke or transient ischemic attack. Methods: This quality improvement project is a single-center, retrospective chart review of the current secondary stroke prevention procedures exercised at a community hospital within a large healthcare system. This project has received Institutional Review Board approval. To be included, subject were required to have established primary care within the health system, discharged home following admission, and a final principle diagnosis of acute ischemic or transient ischemic event. The primary outcome assessed the percentage of patients that received a follow-up visit with a primary care provider within 30 days of hospital discharge. Additionally, this investigation also assessed modifiable risk factor management for secondary ischemic stroke prophylaxis. Results: Of the 97 patients that met inclusion criteria, 49 of them received a follow-up visit with a primary care provider within 30 days of hospital discharge (50.5%). In regards to secondary outcomes, all outcomes assessed showed to achieve appropriate clinical follow-up except for management of hypertension. It was reported that of the 49 patients, twenty-seven were reported to have controlled blood pressure at follow-up (55%). Conclusions: Results from the primary outcome of this quality improvement project highlighted the need for additional intervention to establish primary care prior to hospital discharge. Additionally this evaluation also highlighted further need for management of hypertension as a modifiable secondary risk factor.

Abstract WMP51: Patient-Related Factors and Social Determinants of Health Associated With Discharge to Home Following Acute Ischemic Stroke: Findings From the Get With the Guidelines Stroke Registry

Background: Medical comorbidities and stroke risk factors explain only a proportion of stroke incidence and outcomes in different populations. Our analysis aimed to determine if social determinants of health (SDOH) are associated with discharge home following acute ischemic stroke (AIS) hospitalization. Methods: The analyses included AIS patients hospitalized from January 1, 2015 to December 31, 2019 who were ambulating at baseline and had a known county of residence in the GWTG stroke registry. The primary outcome measure was discharge to home. County-level SDOH included income, education, owner-occupied home, unemployment, foreign-born, and insurance coverage and were the main predictors. Estimates of county-level SDOH were classified into quartiles, and the relative odds of outcome were assessed using a multivariable logistic regression. Results: Of 1,171,519 observations included in our analysis, median age was 71 years, 49% were female and 78% were of white race. As shown in the Table, demographic factors associated with lower likelihood of discharge home after AIS hospitalization included being female, black race, and age &gt;80 years. County-level SDOH factors associated with increased likelihood of discharge home included education (lowest vs highest quartile), owner occupied home (lowest vs highest quartile), foreign-born (lowest vs highest quartile), self-pay/no insurance (vs Medicare). Income (lowest vs highest quartile) and unemployment (lowest vs highest quartile) were associated with lower likelihood of discharge home. Conclusion: County-level SDOH are associated with discharge to home after AIS. Our findings can be used to develop interventions that reduce inequity in AIS outcomes.

Abstract TMP21: Hospital Characteristics Influencing Discharge Disposition Following Acute Stroke: Findings From the Get With the Guidelines-Stroke Registry

Background: Medical comorbidities and stroke risk factors explain only a proportion of stroke incidence and outcomes in different populations. Our analysis aimed to determine if hospital characteristics are associated with discharge home following acute ischemic stroke (AIS) hospitalization. Methods: The analyses included AIS patients hospitalized from January 1, 2015 to December 31, 2019 who were ambulating at baseline. The primary outcome measure was discharge to home. Hospital-level characteristics including time and day of arrival, location of stroke onset, transport mode, hospital bed size and stroke center certification status. The relative odds of outcome were assessed using a multivariable logistic regression. Results: Of 1,171,519 observations included in our analysis, median age was 71 years, 49% were female and 78% were of white race. As shown in the Table, factors associated with lower odds of home discharge included night-time arrival, stroke onset in a chronic care facility, arrival by ambulance, geographic location, and no stroke center certification; these factors were independent of social determinants of health such as education, income, employment status, poverty, and frequency of foreign-born residents at patients’ residence county. There was a trend towards improved outcomes over the study period. Conclusion: Hospital level characteristics influence likelihood of home discharge after AIS, independent of social determinants of health.

Abstract 75: Validation of Vascular Location Subcodes for Acute Ischemic Stroke by the International Classification of Diseases-10

Background: The affected vascular region is included in the International Classification of Diseases-10 (ICD-10) coding scheme for stroke. These data have the potential to enable studies of vascular and regional location. For example, differentiating anterior versus posterior circulation stroke. However, the coding in real world practice has not been validated. The purpose of this study was to evaluate the validity of these subcodes. Methods: We identified all hospitalizations for ischemic stroke at a single center from 2018-2022. We selected a random sample of 100 hospitalizations with vascular region subcoding specifying 50 with anterior circulation subcodes (carotid, anterior cerebral artery [CA], middle CA) and 50 with posterior circulation subcodes (vertebral, basilar, cerebellar, posterior CA). The gold standard classification for the primary infarct vascular distribution was made by the study team, blinded to the subcode, after review of the available imaging studies and the medical record. We calculated the sensitivity, specificity, positive predictive value, and negative predictive value of the administrative data posterior circulation subcodes versus anterior circulation subcodes with the gold standard classification. We also calculated the kappa statistic for overall agreement of the 7 vascular regions. Results: The final study population was 50 ICD-10 anterior circulation ischemic stroke hospitalizations and 50 ICD-10 posterior circulation ischemic stroke hospitalizations. Mean age was 68 (SD, 15) and 44% (44/100) were female. Mean NIHSS was 8 (SD, 8). Neuroimaging was performed in 100% (100/100): Head CT, 95% (95/100); MRI brain, 77% (77/100). The accuracy of the ICD-10 classification for primary posterior circulation stroke was as follows: sensitivity 89% (49/55); specificity 98% (44/45); PPV 98% (49/50); NPV 88% (44/50), respectively. The reliability of the 7-region classification was excellent (kappa statistic, 0.85). Conclusions: We found that the ICD-10 subcode classification for vascular location used in clinical practice had excellent agreement with our gold standard based on medical review. These data validate the use of these subcodes for anterior versus posterior circulation stroke studies.

Sex-specific racial and ethnic variations in short-term outcomes among patients with first or recurrent ischemic stroke: Paul Coverdell National Acute Stroke Program, 2016-2020

Background and purposeTo understand the association of sex-specific race and ethnicity on the short-term outcomes of initial and recurrent ischemic stroke events. MethodsUsing the Paul Coverdell National Acute Stroke Program from 2016-2020, we examined 426,062 ischemic stroke admissions from 629 hospitals limited to non-Hispanic White (NHW), non-Hispanic Black (NHB), and Hispanic patients. We performed multivariate logistic regression analyses to assess the combined effects of sex-specific race and ethnicity on short-term outcomes for acute ischemic stroke patients presenting with initial or recurrent stroke events. Outcomes assessed include rates of in-hospital death, discharge to home, and symptomatic intracranial hemorrhage (sICH) after reperfusion treatment. ResultsAmong studied patients, the likelihood of developing sICH after reperfusion treatment for initial ischemic stroke was not significantly different. The likelihood of experiencing in-hospital death among patients presenting with initial stroke was notably higher among NHW males (AOR 1.59 [95 % CI 1.46, 1.73]), NHW females (AOR 1.34 [95 % CI 1.23, 1.45]), and Hispanic males (AOR 1.57 [95 % CI 1.36, 1.81]) when compared to NHB females. Hispanic females were more likely to be discharged home when compared to NHB females after initial stroke event (AOR 1.32 [95 % CI 1.23, 1.41]). NHB males (AOR 0.90 [95 % CI 0.87, 0.94]) and NHW females (AOR 0.89 [95 % CI 0.86, 0.92]) were less likely to be discharged to home. All groups with recurrent ischemic strokes experienced higher likelihood of in-hospital death when compared to NHB females with the highest likelihood among NHW males (AOR 2.13 [95 % CI 1.87, 2.43]). Hispanic females had a higher likelihood of discharging home when compared to NHB females hospitalized for recurrent ischemic stroke, while NHB males and NHW females with recurrent ischemic stroke hospitalizations were less likely to discharge home. ConclusionsSex-specific race and ethnic disparities remain for short-term outcomes in both initial and recurrent ischemic stroke hospitalizations. Further studies are needed to address disparities among recurrent ischemic stroke hospitalizations.

Age-dependent seasonality in the incidence of stroke: A 21-year population-based study.

Seasonality in the incidence of stroke has been examined in numerous studies, yet data on whether it differs with age are limited. To fill this gap, we utilized a largescale dataset from Israel. We retrieved data of all hospitalizations for ischemic stroke (IS), transient ischemic attack (TIA) and intra cerebral hemorrhage (ICH) from 2000 to 2020. We maintained separate datasets for IS/TIA and ICH, divided into five age groups: 18-49, 50-59, 60-69, 70-79, and 80+. We modeled the monthly incidence using a generalized additive model. The seasonal effect was defined by the rate ratio (RR) of each month compared to the annual mean. The analysis included 317,586 and 23,789 events of IS/TIA and ICH respectively. We found an interaction between age and seasonality, accounting for a phase shift with age in the seasonal pattern of IS/TIA incidence. For cases under 70 years, the peak was during summertime and the RRs increased with decreasing age, reaching 1.11 (95% CI 1.09-1.13) at the youngest age group. In contrast, among the elderly, a winter peak was observed and the RRs increased with age to 1.07 (95% CI 1.06-1.08) at the oldest age group. For ICH, a winter/autumn peak was identified and the RRs increased with age to 1.20 (95% CI 1.16-1.24). Our finding of age-dependent seasonal patterns in the occurrence of stroke, suggests closer monitoring of cardiovascular risk factors during wintertime among elderly individuals. The mechanism governing the seasonal phase shift with age in IS/TIA incidence, requires further investigation.

A Life Threatening Bleeding Arteriovenous Malformation of the Maxilla Complicated with an Acute Cerebral Ischemic Stroke Recovered: Case Report and Review of Literature

Arteriovenous malformation (AVM) of the head and neck is a rare and potentially life-threatening entity due to massive hemorrhage, which poses a challenge to surgeons treating patients with these lesions. The head and neck region accounts for approximately 50% of all arteriovenous malformations (AVM), and the same region also accounts for about approximately 50% of intraosseous AVM in the maxillary facial region, which can be very dangerous, as a simple tooth extraction or a biopsy can lead to a major hemorrhage that may eventually cause death. The Treatment may be surgical or non-surgical. We present the case of a 27-year-old patient with an AVM of the maxilla complicated during his hospitalization for an acute cerebral ischemic stroke, from which he recovered.

Investigation of Stroke Risk Factors and Prognostic Indicators in NVAF Patients with Low CHA2DS2-VASc Scores.

The prognosis of patients with nonvalvular atrial fibrillation (NVAF) with a low CHA2DS2-VASc score (0-1) following a stroke is not well studied. In this investigation, stroke risk factors and prognostic markers in low-risk NVAF patients who are nonetheless at risk for stroke were examined.From January 2012 to January 2022, we retrospectively assessed atrial fibrillation (AF) patients at Xiamen University's Zhongshan Hospital for ischemic stroke. Along with a control group of patients with CHA2DS2-VASc scores of 0-1 who weren't suffering from a stroke, patients with CHA2DS2-VASc scores of 0-1 at the time of stroke were included in the study. Using multivariate logistic regression, independent risk factors were identified. To assess the cumulative occurrences of in-hospital mortality in patients with NVAF-related stroke, the Kaplan-Meier method was used.The study included 156 out of 3.237 inpatients with AF-related stroke who had CHA2DS2-VASc ratings of 0-1. Left atrial diameter (LAD) (odds ratio [OR]: 1.858, 95% confidence interval (CI) 1.136-3.036, P = 0.013), D-dimer (OR: 2.569, 95% CI 1.274-5.179, P = 0.008), and NT-proBNP (OR: 4.558, 95% CI 2.060-10.087, P = 0.000) were found to be independent risk factors for stroke in NVAF patients with a low CHA2DS2-VASc score. During hospitalization, nine patients with NVAF-related stroke died. In patients with NVAF-related stroke, NT-proBNP (hazard ratio: 3.504, 95% CI 1.079-11.379, P = 0.037) was an indicator of mortality risk.Patients with NVAF and CHA2DS2-VASc scores of 0-1 had independent risk factors for stroke in the form of LAD, D-dimer, and NT-proBNP. Notably, in low-risk NVAF patients with stroke, NT-proBNP was discovered to be a potent predictor of in-hospital death.

Event rates and risk factors for venous thromboembolism and major bleeding in a population of hospitalized adult patients with acute medical illness receiving enoxaparin thromboprophylaxis

BackgroundWe aimed to describe the event rates and risk-factors for symptomatic venous thromboembolism (VTE) and major bleeding in a population of hospitalized acutely ill medical patients. MethodsPatients ≥40 years old and hospitalized for acute medical illness who initiated enoxaparin prophylaxis were selected from the US Optum research database. Rates of symptomatic VTE and major bleeding at 90-days were estimated via the Kaplan-Meier (KM) method. Risk factors were identified via the Cox proportional hazards model. ResultsA total of 123,022 patients met the selection criteria. The KM rates of VTE and major bleeding at 90-days were 3.5 % and 2.2 %, respectively. Among subgroups, the risk of VTE varied from 3.0 % in patients with ischemic stroke to 6.9 % in patients with a cancer-related hospitalization, and the risk of major bleeding varied from 1.9 % in patients with inflammatory conditions to 3.6 % in patients with ischemic stroke. Key risk factors for VTE were prior VTE (HR=4.15, 95 % confidence interval [CI] 3.80–4.53), cancer-related hospitalization (HR=2.35, 95 % CI 2.10–2.64), and thrombophilia (HR=1.64, 95 % CI 1.29–2.08). Key risk factors for major bleeding were history of major bleeding (HR=2.17, 95 % CI 1.72–2.74), history of non-major bleeding (HR=2.46, 95 % CI 2.24–2.70), and hospitalization for ischemic stroke (2.42, 95 % CI 2.11–2.78). ConclusionThere is substantial heterogeneity in the event rates for VTE and major bleeding in acute medically ill patients. History of VTE and cancer related hospitalization represent profiles with a high risk of VTE, where continued VTE prophylaxis may be warranted.