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J Stroke Cerebrovasc Dis ; 30(8): 105877, 2021 Aug.
Article in English | MEDLINE | ID: covidwho-1233515


BACKGROUND: Cerebrovascular prevalence is high in patients with coronavirus disease 2019 (COVID-19). However, whether racial disparities exist among this population have not been systematically explored. METHODS: We performed a retrospective study to assess the prevalence of stroke stratified by race among patients aged 18 years or older with COVID-19 who visited emergency department (ED) up to August 13, 2020 in the United States (US). We used multivariable logistic regression to compare the odds of stroke in Black patients with COVID-19 compared to their non-Black counterparts while adjusting for the major potential confounders. RESULTS: Among 8815 patients with ED visits with COVID-19, 77 (0.87%), 95% confidence interval CI (95% CI): 0.69% to 1.10%) had ischemic stroke. The mean age of patients with stroke was 64 years (SD: 2 years); 28 (43%) were men, 55 (71%) had hypertension, and 29 (50%) were Black. The prevalence of ischemic stroke in Blacks, non-Hispanic Whites and Hispanics was 1.26% (95% CI: 0.86% to 1.83%), 0.84% (95% CI: 0.51% to 1.37%) and 0.49% (95% CI: 0.26% to 0.88%) respectively. After adjustment for age, sex, hypertension, diabetes, obesity, drinking and smoking, the likelihood of stroke was higher in Black than non-Black patients (adjusted odds ratio, 2.76; 95% CI, 1.13 to 7.15, p=0.03). CONCLUSIONS: Racial disparities in the prevalence of stroke among patients with COVID-19 exist, higher in Black population.

African Americans , COVID-19/ethnology , Health Status Disparities , Ischemic Stroke/ethnology , Adult , Aged , COVID-19/diagnosis , Databases, Factual , Female , Humans , Ischemic Stroke/diagnosis , Male , Middle Aged , Prevalence , Race Factors , Retrospective Studies , Risk Assessment , Risk Factors , United States/epidemiology
JAMA Netw Open ; 4(4): e217498, 2021 04 01.
Article in English | MEDLINE | ID: covidwho-1196364


Importance: Acute ischemic stroke (AIS) is a known neurological complication in patients with respiratory symptoms of COVID-19 infection. However, AIS has not been described as a late sequelae in patients without respiratory symptoms of COVID-19. Objective: To assess AIS experienced by adults 50 years or younger in the convalescent phase of asymptomatic COVID-19 infection. Design, Setting, and Participants: This case series prospectively identified consecutive male patients who received care for AIS from public health hospitals in Singapore between May 21, 2020, and October 14, 2020. All of these patients had laboratory-confirmed asymptomatic COVID-19 infection based on a positive SARS-CoV-2 serological (antibodies) test result. These patients were individuals from South Asian countries (India and Bangladesh) who were working in Singapore and living in dormitories. The total number of COVID-19 cases (54 485) in the worker dormitory population was the population at risk. Patients with ongoing respiratory symptoms or positive SARS-CoV-2 serological test results confirmed through reverse transcriptase-polymerase chain reaction nasopharyngeal swabs were excluded. Main Outcomes and Measures: Clinical course, imaging, and laboratory findings were retrieved from the electronic medical records of each participating hospital. The incidence rate of AIS in the case series was compared with that of a historical age-, sex-, and ethnicity-matched national cohort. Results: A total of 18 male patients, with a median (range) age of 41 (35-50) years and South Asian ethnicity, were included. The median (range) time from a positive serological test result to AIS was 54.5 (0-130) days. The median (range) National Institutes of Health Stroke Scale score was 5 (1-25). Ten patients (56%) presented with a large vessel occlusion, of whom 6 patients underwent intravenous thrombolysis and/or endovascular therapy. Only 3 patients (17%) had a possible cardiac source of embolus. The estimated annual incidence rate of AIS was 82.6 cases per 100 000 people in this study compared with 38.2 cases per 100 000 people in the historical age-, sex-, and ethnicity-matched cohort (rate ratio, 2.16; 95% CI, 1.36-3.48; P < .001). Conclusions and Relevance: This case series suggests that the risk for AIS is higher in adults 50 years or younger during the convalescent period of a COVID-19 infection without respiratory symptoms. Acute ischemic stroke could be part of the next wave of complications of COVID-19, and stroke units should be on alert and use serological testing, especially in younger patients or in the absence of traditional risk factors.

Asymptomatic Infections/epidemiology , COVID-19 , Ischemic Stroke , SARS-CoV-2 , Thrombectomy/methods , Thrombolytic Therapy/methods , Adult , COVID-19/complications , COVID-19/diagnosis , COVID-19/epidemiology , COVID-19 Serological Testing/methods , Convalescence , Electronic Health Records/statistics & numerical data , Endovascular Procedures/methods , Humans , Incidence , Ischemic Stroke/diagnosis , Ischemic Stroke/ethnology , Ischemic Stroke/etiology , Male , Middle Aged , Outcome and Process Assessment, Health Care , Risk Factors , SARS-CoV-2/isolation & purification , SARS-CoV-2/pathogenicity , Singapore/epidemiology , Transients and Migrants/statistics & numerical data
Stroke ; 52(3): 905-912, 2021 03.
Article in English | MEDLINE | ID: covidwho-1066984


BACKGROUND AND PURPOSE: Acute ischemic stroke may occur in patients with coronavirus disease 2019 (COVID-19), but risk factors, in-hospital events, and outcomes are not well studied in large cohorts. We identified risk factors, comorbidities, and outcomes in patients with COVID-19 with or without acute ischemic stroke and compared with patients without COVID-19 and acute ischemic stroke. METHODS: We analyzed the data from 54 health care facilities using the Cerner deidentified COVID-19 dataset. The dataset included patients with an emergency department or inpatient encounter with discharge diagnoses codes that could be associated to suspicion of or exposure to COVID-19 or confirmed COVID-19. RESULTS: A total of 103 (1.3%) patients developed acute ischemic stroke among 8163 patients with COVID-19. Among all patients with COVID-19, the proportion of patients with hypertension, diabetes, hyperlipidemia, atrial fibrillation, and congestive heart failure was significantly higher among those with acute ischemic stroke. Acute ischemic stroke was associated with discharge to destination other than home or death (relative risk, 2.1 [95% CI, 1.6-2.4]; P<0.0001) after adjusting for potential confounders. A total of 199 (1.0%) patients developed acute ischemic stroke among 19 513 patients without COVID-19. Among all ischemic stroke patients, COVID-19 was associated with discharge to destination other than home or death (relative risk, 1.2 [95% CI, 1.0-1.3]; P=0.03) after adjusting for potential confounders. CONCLUSIONS: Acute ischemic stroke was infrequent in patients with COVID-19 and usually occurs in the presence of other cardiovascular risk factors. The risk of discharge to destination other than home or death increased 2-fold with occurrence of acute ischemic stroke in patients with COVID-19.

Atrial Fibrillation/epidemiology , COVID-19/epidemiology , Diabetes Mellitus/epidemiology , Heart Failure/epidemiology , Hospital Mortality , Hyperlipidemias/epidemiology , Hypertension/epidemiology , Ischemic Stroke/epidemiology , Acute Kidney Injury/epidemiology , Adult , African Americans , Aged , Aged, 80 and over , Brain Edema/epidemiology , COVID-19/ethnology , Cerebral Hemorrhage/epidemiology , Cohort Studies , Comorbidity , Female , Hospitals, Rehabilitation/statistics & numerical data , Humans , Ischemic Stroke/ethnology , Liver Failure/epidemiology , Male , Middle Aged , Myocardial Infarction/epidemiology , Nursing Homes/statistics & numerical data , Patient Discharge , Respiratory Insufficiency/epidemiology , Retrospective Studies , Risk Factors , SARS-CoV-2 , Skilled Nursing Facilities/statistics & numerical data , United States/epidemiology