Abstract 3000: Epidemiology of Cerebrovascular Diseases Among Chinese with Diabetes Mellitus in Toronto: A Retrospective Ten Years Case-mix Study

Stroke ◽  
2012 ◽  
Vol 43 (suppl_1) ◽  
Author(s):  
Susy Lam ◽  
Joseph Y Chu
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Treatment Strategies ◽  
Specific Treatment ◽  
Stroke Patients ◽  
Stroke Incidence ◽  
Small Vessels ◽  
Guideline Values ◽  
Co Morbidity ◽  
Stroke Type

BACKGROUND: An article published in Neurology Asia(2006;11:13-18) by Chu etal provided essential data to investigate whether specific genetic or environmental differences exist within the diabetic-Chinese stroke community. Insight into distinctive epidemiologic and cerebrovascular patterns will bring forth effectively focused treatment and prevention. From that basis, we hypothesized: Chinese who had stroke-history within 15 years are more commonly diabetic than Europeans, and Chinese more frequently have small vessels disease (SVD) than Europeans. METHODS: Patients seen during 2001-2011 at the Toronto Queensway Professional Center Neurology clinic and at William Osler Health System, Brampton Site, were investigated. Chinese diabetic stroke patients were selected by last name and birth country; similarly diagnosed European patients were age-sex matched correspondingly. Risk factors were acknowledged if patients were given explicit medical treatments. Otherwise, guideline values were obtained from the WHO criteria. Data was collected through screening patient charts for the following: diabetic prevalence through screening stroke patients (122 Chinese, 880 European) excluding TIAs, subarachnoid and subdural haemorrhages; etiology and stroke type comparison in patients with DM (48 Chinese, 127 European); risk factors differences between Chinese and Europeans with DM. Odds ratios and unpaired two-sample t-testing were used to confirm significance. RESULTS: Significance confirmed (P<0.05): Chinese had higher DM and stroke incidence than Europeans (28.7% vs. 23.2%). Diabetic Chinese more frequently had SVD (51.1% vs. 44.1%), specifically lacunar stroke (47.9% vs. 36.4%). The co-morbidity of SVD risk factors of hypertension, hyperlipidemia and overweight were more frequent in Chinese (Table 1.0). Furthermore, SVD frequency dominated over large vessels disease (LVD) in the Chinese (Table 1.1). Table 1.0 - RISK FACTOR INCIDENCE Overweight HBP HPL Chinese, SVD 26.9% 53.8% 36.5% European, SVD 16.5% 33.1% 23.6% OR Chinese/Euro.1.86 2.36 1.86 Table 1.1 - STROKE TYPE AND RISK Overweight, SVD Overweight, LVD Hyperlipidemia, SVD Hyperlipidemia, LVD Hypertension, SVD Hypertension, LVD : Chinese 26.9% 7.7% 36.5% 15.0% 53.8% 25.0% OR SVD/LVD 4.42 3.26 3.50 European 16.5% 7.9% 23.6% 15.0% 33.1% 26.0% OR SVD/LVD 2.32 1.76 1.41 CONCLUSIONS: Chinese with stroke are more frequently diabetic than Europeans. Diabetic Chinese are especially susceptible to small vessels disease and certain stroke risk factors are more frequent compared to the Europeans. Risk factor prevalence and stroke types differ considerably between Chinese and Europeans within Toronto, which may imply that specific treatment strategies are required to target towards each population.

scholarly journals Epidemiology And Risk Factor Of Stroke In Babol, Northern Iran (2014-2015)

2017 ◽  
pp. 12
Author(s):  
Alijan Ahmadi Ahangar ◽  
Seyedeh Tahereh Taheri ◽  
Shayan Alijanpour
Keyword(s):  
Diabetes Mellitus ◽  
Risk Factors ◽  
Risk Factor ◽  
Cardiac Disease ◽  
Demographic Data ◽  
Opioid Addiction ◽  
Stroke Patients ◽  
Northern Iran ◽  
The Third ◽  
Stroke Type

Background: Stroke is the third leading cause of death worldwide. Data on the epidemiology of stroke, patterns and risk factors in recent years in our region are brief.Methods and Material:  This retrospective study from 2014 to 2015 on stroke patients was conducted. The NIHSS, the MRS and the Barthel index were used at admission and discharge. Patient’s demographic data and checklist used to identify risk factorFindings: A total of 230 stroke patients, 122 (53%) was female. 194 patients (%84) was ischemic type vs 36(%16) hemorrhagic, P<0001). Difference in risk factors was statistically significant (168 patients (%73) had Hypertension, 121 (%52.6) Diabetes Mellitus, 118 (%51.3) Cardiac Disease, 108 (%46.9) Hyperlipidemia, 58 (%25.2) Smoking and 46 patients (%20) Opioid addiction, P<0001). Hypertension was statistically significant and increased in hemorrhagic subtype 25 patient (%70) Intracerebral vs11 patient (%30) Subarachnoid, P=0.01). Difference in Cardiac disease (p<0.0001), Diabetes Mellitus (p<0.001), Smoking (p<0.001), Opioid Addiction (p<0.04) was statistically significant and increased in Intracerebral patients.Conclusions: mortality rate in our study was low, stroke was more common in female, ischemic stroke was most common stroke type and hypertension especially in hemorrhagic was the most important risk factor for stroke. 

scholarly journals Prevalence and outcome of young stroke patients with middle cerebral artery stenosis

BMC Neurology ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Wenjuan Xu ◽  
Xiaoyu Zhang ◽  
Huan Chen ◽  
Zhangning Zhao ◽  
Meijia Zhu
Keyword(s):  
Risk Factors ◽  
Logistic Regression ◽  
Risk Factor ◽  
Factor Score ◽  
Unfavorable Outcome ◽  
Stroke Patients ◽  
Young Stroke ◽  
Stroke In Young Adults ◽  
Risk Factor Score ◽  
Stroke In Young

Abstract Background Etiologies of acute ischemic stroke in young adults are heterogeneous. Middle cerebral artery (MCA) stenosis is a common finding in Asians which may be an important cause of stroke in young adults. However, studies of stroke in young Asian populations are rare. Our study was to investigate the prevalence and outcome of young stroke patients with MCA stenosis in Chinese populations. Methods Young patients with MCA territory infarction between January 2013 and September 2018 were retrospectively recruited. Subjects were defined as stenosis group (MCA stenosis ≥50%) and no-stenosis group (MCA stenosis<50% or no stenosis) by their MCA stenosis. For patients in stenosis group, they were categorized as uni-MCA stenosis subgroup and multiple stenosis subgroup. Demographic data, risk factors, imaging feature and complications were compared between groups. Prevalence of MCA stenosis and risk factor score (score ≥ 2 or 3) in different age groups were investigated. Modified Rankin Scale (mRS) was used for evaluating functional outcome at discharge (unfavorable outcome: 3–6). Binary logistic regression was performed to determine independent risk factors of unfavorable outcome. Results Two hundred forty-nine young stroke patients were included in our study and 110 (44.2%) patients were defined as stenosis group. 55 (50%) patients were categorized as uni-MCA stenosis subgroup and 55 (50%) were multiple stenosis subgroup. The most common traditional vascular risk factors included hypertension, hyperlipemia, smoking, hyperhomocysteinemia and alcohol consumption. Prevalence of risk factor score ≥ 2 or 3 increased with age, but not incidence of MCA stenosis. By TOAST classification, the most common etiologies were large-artery atherosclerosis (41.0%) and small vessel disease (33.7%). Compared with no-stenosis group, patients in stenosis group were more likely to have large territorial infarct, develop complications and have unfavorable outcome. No significant difference was found between patients in uni-MCA stenosis and multiple stenosis subgroups except history of stroke/TIA, risk factor score ≥ 3 and silent infarct. By logistic regression, hypertension (OR = 3.561; 95%CI, 1.494 to 8.492; p = 0.004), NIHSS scores at admission (OR = 1.438; 95%CI, 1.276 to 1.620; p = 0,000) and infarct size (p = 0.015) independently predicted unfavorable outcome. Conclusions Forty-four point two percent young Chinese adults with MCA territory infarction had MCA stenosis. Prevalence of MCA stenosis did not increase with age. Patients with MCA stenosis had worse clinical outcome, however, only hypertension, NIHSS scores at admission and infarct size were independent predictors.

Characteristics of Hepatitis B virus induced Hepatocellular Carcinoma in Egyptian patients

QJM ◽  
2021 ◽  
Vol 114 (Supplement_1) ◽  
Author(s):  
Eman Mahmoud Fathy Barakat ◽  
Khalid Mahmoud AbdAlaziz ◽  
Mohamed Mahmoud Mahmoud El Tabbakh ◽  
Mohamed Kamal Alden Ali
Keyword(s):  
United States ◽  
Risk Factors ◽  
Hepatocellular Carcinoma ◽  
Risk Factor ◽  
Hepatitis C ◽  
Hepatitis B ◽  
The United States ◽  
Age Difference ◽  
Co Morbidity ◽  
Incidence And Mortality

Abstract Background Hepatocellular carcinoma (HCC) is the most common primary liver malignancy and is a leading cause of cancer-related death worldwide. In the United States, HCC is the ninth leading cause of cancer deaths. Despite advances in prevention techniques, screening, and new technologies in both diagnosis and treatment, incidence and mortality continue to rise. Cirrhosis remains the most important risk factor for the development of HCC regardless of etiology. Hepatitis B and C are independent risk factors for the development of cirrhosis. Alcohol consumption remains an important additional risk factor in the United States as alcohol abuse is five times higher than hepatitis C. Diagnosis is confirmed without pathologic confirmation. Screening includes both radiologic tests, such as ultrasound, computerized tomography, and magnetic resonance imaging, and serological markers such as αfetoprotein at 6-month interval. Aim To compare characteristics and behavior of Hepatocellular carcinoma (HCC) in chronic HCV patients and HVB patients Patients and Methods The current study was conducted on patients with de HCC presented at HCC clinic, Tropical medicine department Ain Shams University Hospitals between December 2017 and D ecember 2018, aged (18-70 years old) . Results eline characteristics of study population shown in Table 1 at enrolment, including gender, Education status, co-morbidity, underlying presence or absence of cirrhosis, Child-Pugh class of patients infected with viral hepatitis, and alpha-fetoprotein levels. Male proportion observed to be predominant in both HCV (62%) and HBV (75.4%) infected HCC population. Overall prevalence of HCV and HBV in patients having HCC was 65.95% and 34.04%, respectively. Presence of underlying liver cirrhosis was more significantly associated with HCV seropositives as compared to HBV seropositive patients (p0.05). Table 2 shows comparison of means between HCV and HBV seropositive patients with HCC. In univariate analysis, mean age difference (11.6 years), and total bilirubin levels (-1.91mg/dl) were the only statistically significant observations noted among HCV-HCC group (p = 0.05) Conclusion Hepatocellular carcinoma is mainly caused by Hepatitis C and Hepatitis B viruses, but latter showed predominance, comparatively worldwide and correlated HBV directly as a cause of HCC rather than HCV whose relation with HCC is still unclear (Shepard et al., 2006; Di Bisceglie, 2009). Because of the geographical differences and risk factors, the epidemiological burden of HCV and HBV has been observed different in different areas of the world. In developing countries due to high burden of HCV infection as compared to HBV such as in Taiwan (HCV 17.0%, HBV 13.8%) (Kao et al., 2011), Guam (HCV 19.6%, HBV 18%) (Haddock et al., 2013), and Pakistan (HCV 4.8%, HBV 2.5%) (Rehman et al., 1996; Raza et al., 2007; Qureshi et al., 2010; Butt et al., 2012;) will possibly

Abstract 1122‐000035: Is Age Critical in Determining Stroke Severity Within the Telestroke Network?

2021 ◽  
Vol 1 (S1) ◽  
Author(s):  
Cassie A Simmons ◽  
Nicolas Poupore ◽  
Fernando Gonzalez ◽  
Thomas I Nathaniel
Keyword(s):  
Risk Factors ◽  
Heart Failure ◽  
Risk Factor ◽  
Univariate Analysis ◽  
Baseline Risk ◽  
Stroke Severity ◽  
Stroke Patients ◽  
Stroke Risk Factor ◽  
Patients Âgés ◽  
Increased Risk

Introduction : Age is the single most important risk factor for stroke and an estimated 75% of all strokes occur in people >65 years of age. In addition, adults >75 years’ experience more hospitalization stays and higher mortality rates with an estimated 50% in the occurrence of all strokes. Several comorbidities have been linked to an increased risk and severity of acute ischemic stroke (AIS). How these factors differentially contribute to the severity of stroke in patients ages >65 and <75 as well as those ≥75 is not known. In this study, we aim to investigate how age, coupled with various clinical risk factors, affects AIS severity within these two age categories. Methods : This retrospective data analysis study was conducted using the data collected from the PRISMA Health Stroke Registry between 2010 and 2016. Baseline clinical and demographic data for patients ages >65 and <75 as well as those ≥75 was analyzed using univariate analysis. Receiver operating characteristic (ROC) curve analysis and multivariate regression models were used to examine the association of specific baseline risk factors or comorbidities associated with worsening or improving neurologic functions. The primary functions were risk factors associated with improving or worsening neurologic outcome in each age category. Results : Adjusted multivariate analysis showed that AIS population of patients >65 and <75 experiencing heart failure (OR = 4.398, 95% CI, 3.912 – 494.613, P = 0.002) and elevated HDL levels (OR = 1.066, 95% CI, 1.009 – 1.126, P = 0.024) trended towards worsening neurologic functions while patients experiencing obesity (OR = 0.177, 95% CI, 0.041 – 0.760, P = 0.020) exhibited improving neurologic functions. For the patients ≥75 years of age, direct admission (OR = 0.270, 95% CI, 0.085 – 0.856, P = 0.026) was associated with improvement of patients treated in the telestroke. Conclusions : Age is a strong risk factor for AIS, and aged stroke patients have higher morbidity and worsening functional recovery than younger patients. In this study, we observed differences in stroke risk factor profiles for >65 and <75 and ≥75 age categories. Heart failure and elevated HDL levels were significantly associated with worsening neurologic functions among AIS for patients aged >65 and <75. Obese patients and individuals ≥75 years who were directly admitted were most likely to exhibit improving neurologic functions. Most importantly, findings from this study reveal specific risk factors that can be managed to improve the care in older stroke patients treated in the telestroke network.

Abstract TMP99: Farmalarm: App for Mobile Devices Improves Risk Factor Control After Stroke

Stroke ◽  
2017 ◽  
Vol 48 (suppl_1) ◽  
Author(s):  
Marc Ribo ◽  
Estefania montiel ◽  
Estela Sanjuan ◽  
Mireia Sanchis ◽  
Marta Rubiera ◽  
...  
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Medical Staff ◽  
Healthy Lifestyle ◽  
Medication Compliance ◽  
Treatment Compliance ◽  
Lifestyle Changes ◽  
Stroke Patients ◽  
Risk Factor Control ◽  
Stroke Awareness

Risk factor control and treatment compliance in the following months after stroke are often poor. We aim to validate a digital platform for smartphones designed to raise awareness in patients about the need to perform healthy lifestyle changes, improve communication with medical staff and increase treatment compliance Methods: Farmalarm is an app for smartphones designed to increase stroke awareness by: medication visual alerts and compliance control, chat communication with medical staff, sharing didactic video files, exercise monitoring... Stroke patients discharged home were screened for participation and divided in two groups: to follow the FARMALARM program during 3-4 weeks or standard of care follow-up. We determined risk factor control goals at 90 days in all patients Results: During 16 months, from the 457 patients discharged home, 126 (27.6%) were included in the study: Farmalarm n=74; age 57±12, Control n=52, age 59±10. There were no significant differences in baseline characteristics between groups. Patients in Farmalarm group followed the program for 23±6 days after discharge. In Farmalarm group, mean number alarms due to medication intake failure dropped from 68.5% in the first week to 44.6% in the third week (p=0.03). At 90 days, achievement of risk factor control was higher in the FARMALARM group (table). The rate of patients with 4/4 risk factors under control was higher in the FARMALARM group (45.3% Vs 22.5%; p=0.02) (graph) and less patients dropped all medications at 3 months in the Farmalarm group (1.5% Vs 8.16%:p=0.05). A regression model adjusted for age and gender showed that the only variable independently associated with all risk factors under control at 90 days was the use of Farmalarm (OR: 4.7; 95% CI:1.1-6.9;p=0.03). Conclusion: In stroke patients discharged home the use of mobile applications to monitor medication compliance and increase stroke awareness is feasible and seems to improve the control of vascular risk factors.

Abstract WP236: The Urban-Rural Divide: Risk Factor Prevalence in Ischemic Stroke Patients Across Two Decades

Stroke ◽  
2020 ◽  
Vol 51 (Suppl_1) ◽  
Author(s):  
Dinesh V Jillella ◽  
Sara Crawford ◽  
Anne S Tang ◽  
Rocio Lopez ◽  
Ken Uchino
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Ischemic Stroke ◽  
Regression Models ◽  
Stroke Risk ◽  
Stroke Patients ◽  
Stroke Risk Factor ◽  
Risk Factor Prevalence ◽  
Urban Rural ◽  
Artery Disease

Introduction: Regional disparities exist in stroke incidence and stroke related mortality in the United States. We aimed to elucidate the stroke risk factor prevalence trends based on urban versus rural location. Methods: From the National Inpatient Sample database the comorbid stroke risk factors were collected among hospitalized ischemic stroke patients during 2000-2016. Crude and age-and sex-standardized prevalence estimates were calculated for each risk factor during the time periods 2000-2008 and 2009-2016. We compared risk factor prevalence over the defined time periods using regression models, and differences in risk factor trends based on patient location categorized as urban (metropolitan with population of ≥ 1 million) and rural (neither micropolitan or metropolitan) using interaction terms in the regression models. Results: Stroke risk factor prevalence significantly increased from 2000-2008 to 2009-2016. When stratified based on patient location, most risk factors increased in both urban and rural groups. In the crude model, the urban to rural trend difference across 2000-08 and 2009-16 was significant in hypertension (p<0.0001), hyperlipidemia (p=0.0008), diabetes mellitus (p<0.0001), coronary artery disease (p<0.0001), smoking (p<0.0001) and alcohol (p=0.02). With age and sex standardization, the urban to rural trend difference was significant in hypertension (p<0.0001), hyperlipidemia (p=0.0007), coronary artery disease (p=0.01) and smoking (p<0.0001). Conclusion: The prevalence of vascular risk factors among ischemic stroke patients has increased over the last two decades. There exists an urban-rural divide, with rural patients showing larger increases in prevalence of several risk factors compared to urban patients.

Abstract P602: Stroke Risk Factors Among the Young Over Time in the GCNKSS

Stroke ◽  
2021 ◽  
Vol 52 (Suppl_1) ◽  
Author(s):  
Tracy E Madsen ◽  
Jane C Khoury ◽  
Kathleen S Alwell ◽  
Opeolu M Adeoye ◽  
Felipe De Los Rios La Rosa ◽  
...  
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Stroke Risk ◽  
Large Population ◽  
High Cholesterol ◽  
Stroke Incidence ◽  
Stroke Risk Factors ◽  
Obesity And Diabetes ◽  
Trends Over Time ◽  
Over Time

Background: Data from the Greater Cincinnati Northern Kentucky Stroke Study (GCNKSS) have demonstrated stable or increasing stroke incidence rates in young adults with differences by sex and race, suggesting the need for targeted approaches to stroke prevention in the young. We aimed to describe trends over time in prevalence of stroke risk factors among adults ages 20-54 with stroke by sex and race. Methods: Cases of incident stroke (IS, ICH, SAH) occurring in those 20-54 years old and living in a 5-county area of southern Ohio/northern Kentucky were ascertained during 5 study periods (1993-1994, 1999, 2005, 2010, 2015). All physician-adjudicated inpatient events and a sampling of outpatient events were included, excluding nursing home events. Data on risk factors (hypertension, diabetes, obesity (BMI≥30), and high cholesterol) diagnosed prior to stroke were abstracted from medical records, and prevalence of each risk factor was reported over time in race/sex groups. Trends over time were examined using the Cochran-Armitage test. Results: Over the 5 study periods, 1204 incident strokes were included; 49% were women, 33% were black, and mean age was 46 (SD 7) years. Premorbid hypertension increased over time in Black women (48% in 1993/4 to 76% in 2015, p=0.005) but not in any other race/sex group (all p>0.05). Premorbid high cholesterol increased significantly in all race/sex groups (Figure, all p<0.05) except for White men (p=0.06). There were no significant trends over time in pre-stroke diagnoses of diabetes or obesity in any of the race/sex groups (Figure). Conclusions: Among patients aged 20-54 with incident stroke in a large population-based study, the change in the prevalence of hypertension and high cholesterol differed by sex and race, while obesity and diabetes were stable over time in all race/sex groups. Future research is needed to address risk factor control at a population level and to understand the role of undiagnosed pre-stroke risk factors in the young.

Abstract 183: Depressive Symptoms and Incident Stroke in Black and White Participants in the REGARDS Study

Stroke ◽  
2012 ◽  
Vol 43 (suppl_1) ◽  
Author(s):  
Audrey L Austin ◽  
Michael G Crowe ◽  
Martha R Crowther ◽  
Virginia J Howard ◽  
Abraham J Letter ◽  
...  
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Depressive Symptoms ◽  
Racial Differences ◽  
Stroke Risk ◽  
Depression Scale ◽  
Stroke Incidence ◽  
Blacks And Whites ◽  
The Impact

Background and Purpose: Research suggests that depression may contribute to stroke risk independent of other known risk factors. Most studies examining the impact of depression on stroke have been conducted with predominantly white cohorts, though blacks are known to have higher stroke incidence than whites. The purpose of this study was to examine depressive symptoms as a risk factor for incident stroke in blacks and whites, and determine whether depressive symptomatology was differentially predictive of stroke among blacks and whites. Methods: The REasons for Geographic and Racial Differences in Stroke (REGARDS), is a national, population-based longitudinal study designed to examine risk factors associated with black-white and regional disparities in stroke incidence. Among 30,239 participants (42% black) accrued from 2003-2007, excluding those lacking follow-up or data on depressive symptoms, 27,557 were stroke-free at baseline. As of the January 2011 data closure, over an average follow-up of 4.6 years, 548 incident stroke cases were verified by study physicians based on medical records review. The association between baseline depressive symptoms (assessed via the Center for Epidemiological Studies Depression scale, 4-item version) and incident stroke was analyzed with Cox proportional hazards models adjusted for demographic factors (age, race, and sex), stroke risk factors (hypertension, diabetes, smoking, atrial fibrillation, and history of heart disease), and social factors (education, income, and social network). Results: For the total sample, depressive symptoms were predictive of incident stroke. The association between depressive symptoms and stroke did not differ significantly based on race (Wald X 2 = 2.38, p = .1229). However, race-stratified analyses indicated that the association between depressive symptoms and stroke was stronger among whites and non-significant among blacks. Conclusions: Depressive symptoms were an independent risk factor for incident stroke among a national sample of blacks and whites. These findings suggest that assessment of depressive symptoms may warrant inclusion in stroke risk scales. The potential for a stronger association in whites than blacks requires further study.

The 2 Gene Coding Sequence T807/A873 of the Platelet Collagen Receptor Integrin 2β1 Might Be a Genetic Risk Factor for the Development of Stroke in Younger Patients

Blood ◽  
1999 ◽  
Vol 93 (11) ◽  
pp. 3583-3586 ◽  
Author(s):  
Lena E. Carlsson ◽  
Sentot Santoso ◽  
Carsten Spitzer ◽  
Christof Kessler ◽  
Andreas Greinacher
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Independent Risk Factor ◽  
Epidemiological Studies ◽  
Receptor Expression ◽  
Stroke Patients ◽  
Younger Patients ◽  
Gene Coding ◽  
Collagen Receptor ◽  
Conventional Risk Factors

The polymorphisms C807T and G873A of the platelet integrin 2β1 (collagen receptor glycoprotein [GP] Ia-IIa) are linked to the expression density of this receptor. The GPIa T807/A873 allele causes a higher receptor expression, enhancing platelet binding to collagen. This might present a genetic predisposition for the development of thromboembolic complications. In this case-control study, the genotypes of the GPIa C807T polymorphism and presence of conventional risk factors (hypertension, diabetes mellitus, and smoking) were compared in stroke patients and patients without cerebrovascular disease (non-CVD patients) ≤50 years of age (n = 45 and 41, respectively) and in stroke patients and non-CVD patients more than 50 years of age (n = 182 and 129, respectively. In patients ≤50 years of age, the T807 allele was the only overrepresented variable (P = .023; odds ratio, 3.02; 95% confidence interval, 1.20 to 7.61) and an independent risk factor, whereas the presence of conventional risk factors was similar between stroke patients ≤50 years of age and non-CVD patients ≤50 years of age. Large epidemiological studies should prove whether the platelet collagen receptor GPIa-IIa T807 allele is an independent risk factor for the development of stroke in younger patients.

scholarly journals Is migraine a risk factor for pediatric stroke?

Cephalalgia ◽  
2015 ◽  
Vol 35 (14) ◽  
pp. 1252-1260 ◽  
Author(s):  
Amy A Gelfand ◽  
Heather J Fullerton ◽  
Alice Jacobson ◽  
Stephen Sidney ◽  
Peter J Goadsby ◽  
...  
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Cohort Study ◽  
Ischemic Stroke ◽  
Incidence Rate ◽  
Stroke Risk ◽  
Stroke Incidence ◽  
Post Hoc Analysis ◽  
Ischemic Stroke Risk ◽  
Post Hoc

Importance Our understanding of risk factors for childhood stroke is incomplete. In adults, migraine with aura is associated with a two-fold increase in ischemic stroke risk. Objective In this cohort study we examine the association between migraine and stroke among children in Kaiser Permanente Northern California (KPNC). Design, setting, and participants Children ages 2–17 years who were members of KPNC for ≥6 months between 1997 and 2007 were included. Migraine cohort members had one or more of: an ICD-9 code for migraine, migraine listed as a significant health problem, or a prescription for a migraine-specific medication. The comparison group was children with no evidence of headache. Main outcome measures Main outcome measures included stroke incidence rates and incidence rate ratios (IR). Results Among the 1,566,952 children within KPNC during the study period, 88,164 had migraine, and 1,323,142 had no evidence of headache. Eight migraineurs had a stroke (three (38%) hemorrhagic; five (63%) ischemic). Eighty strokes occurred in children without headache (53 (66%) hemorrhagic; 27 (34%) ischemic). The ischemic stroke incidence rate was 0.9/100,000 person-years in migraineurs vs. 0.4/100,000 person-years in those without headache; IR 2.0 (95% CI 0.8–5.2). A post-hoc analysis of adolescents (12–17 years) showed an increased risk of ischemic stroke among those with migraine; IR 3.4 (95% CI 1.2–9.5). The hemorrhagic stroke incidence rate was 0.5/100,000 person-years in migraineurs and 0.9/100,000 person-years in those without headache; IR 0.6 (95% CI 0.2–2.0). Conclusions There was no statistically significant increase in hemorrhagic or ischemic stroke risk in pediatric migraineurs in this cohort study. A post-hoc analysis found that ischemic stroke risk was significantly elevated in adolescents with migraine. Future studies should focus on identifying risk factors for ischemic stroke among adolescent migraineurs. Based on adult data, we recommend that migraine aura status should be studied as a possible risk factor for ischemic stroke among adolescent migraineurs.

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