scholarly journals Risk Factors of Large Artery Atherosclerotic Ischemic Stroke Based on Carotid Contrast-Enhanced Ultrasonography

2020 ◽  
Author(s):  
Shaoqi Chen ◽  
Xiya Du ◽  
Zhongkeng Yao ◽  
Qingzi Chen ◽  
Xuerui Tan
Keyword(s):  
Risk Factors ◽  
Ischemic Stroke ◽  
Sensitivity And Specificity ◽  
Roc Curve ◽  
Control Group ◽  
Large Artery ◽  
Operating Characteristics ◽  
Carotid Artery Plaque ◽  
Contrast Enhanced ◽  
Contrast Enhanced Ultrasonography

Abstract Background Ischemic stroke is a serious public health issue with a continuously increasing incidence worldwide. This study explores the risk factors of large artery atherosclerotic (LAA) ischemic stroke based on carotid contrast-enhanced ultrasonography (CEUS). Methods A total of 110 patients with LAA ischemic stroke and 34 patients without stroke were included. All participants underwent standard ultrasonography and CEUS, from which carotid artery plaque characteristics were obtained. The predicted performance of artery plaques was evaluated using the area under the receiver operating characteristics (ROC) curve and sensitivity and specificity at the optimal cut-off point. Results Subjects with LAA ischemic stroke were more likely to have a history of hypertension than the control group (P = 0.009). The area under the ROC curve (AUROC) for plaque echogenicity was 0.609 (95% CI, 0.524–0.689). With a cut-off value of ≤ class II (echolucent or predominantly hypoechogenic plaque), the sensitivity and specificity were 84.55% and 32.35%, respectively. The AUROC for plaque thickness was 0.676 (95% CI, 0.593–0.751). With a cut-off value of > 2.4 mm, the sensitivity and specificity were 41.82% and 88.24%, respectively. The AUROC for intraplaque neovascularization was 0.807 (95% CI, 0.733–0.868). With a cut-off value of > grade 2 (extensive appearance of bubbles within plaque), the sensitivity and specificity were 70.91% and 82.35%, respectively. Conclusions Hypertension, echolucent (or predominantly hypoechogenic) plaque, plaque thickness, and degree of intraplaque neovascularization are significantly relevant to LAA ischemic stroke in adults. These results may be helpful for clinical prediction of ischemic stroke risk.

scholarly journals Quantitative Assessment of Renal Function In Children with UPJO By Contrast-enhanced Ultrasound: A Pilot Study

2020 ◽  
Author(s):  
Shuofan Chen ◽  
Defu Lin ◽  
Pei Liu ◽  
Ning Sun ◽  
Wenwen Han ◽  
...  
Keyword(s):  
Renal Function ◽  
Sensitivity And Specificity ◽  
Roc Curve ◽  
Imaging Modality ◽  
Area Under The Curve ◽  
Diagnostic Value ◽  
Control Group ◽  
Time Intensity Curve ◽  
Contrast Enhanced ◽  
Experimental Group

Abstract Background: Contrast-enhanced ultrasonography (CEUS) is a new potential modality for the quantitative evaluation of the microvascular perfusion of a parenchymal organ.Objective: To prospectively evaluate the diagnostic value of CEUS in assessing renal function in patients with ureteropelvic junction obstruction (UPJO).Methods: The study protocol was approved by the local ethics committee, and written informed consent was obtained from the patients’ parents or guardians.Ultrasonography (US), CEUS, and radioisotope renography were performed in 51 children (42 boys, 9 girls; mean age, 6.75 ± 4.14 years) with unilateral UPJO. The slope of the ascending curve (A), time to peak (TTP), peak intensity (PI), and area under the curve (AUC) were recorded during CEUS; the quantitative data were calculated by the QLAB system (semiautomated border tracking, Philips Healthcare) software. Sensitivity and specificity values were determined for CEUS and compared with radioisotope renography.Results: CEUS depicted 102 kidneys in 51 patients, in whom the perfusion time-intensity curve（TIC）was determined. The TIC of renal cortical perfusion in all groups showed an asymmetrical single-peak curve, which could be clearly distinguished between the experimental group and the control group. Compared to the control group, the TTP was markedly prolonged but A was significantly decreased in the experimental group (P < 0.05). The ROC curve drawn to differentiate the differential renal function (DRF) using the TTP value provided an area under the ROC curve (AUROC) of 0.86. The diagnostic performance of contrast-enhanced US was better than that of US, as the sensitivity and specificity values were 92.86% and 76.14%, respectively.Conclusions: This preliminary experience represents the first report of evaluating the diagnostic value of CEUS in assessing renal function in children with UPJO. CEUS is a highly sensitive, rapid, and cost-effective diagnostic imaging modality for detecting and monitoring renal function noninvasively.

scholarly journals Diagnostic Utility of Combined 2D Ultrasonography and Contrast-Enhanced Ultrasonography in Evaluation of Carotid Plaque Vulnerability for Predicting Recurrent Ischemic Strokes

2021 ◽  
Author(s):  
Fuyong Ye ◽  
Yuwen Yang ◽  
Yinting Liang ◽  
Jianhua Liu
Keyword(s):  
Risk Factors ◽  
Logistic Regression ◽  
Regression Analysis ◽  
Sensitivity And Specificity ◽  
Logistic Regression Analysis ◽  
Multivariate Logistic Regression Analysis ◽  
Multivariate Logistic Regression ◽  
Contrast Enhanced ◽  
Contrast Enhanced Ultrasonography ◽  
Independent Risk Factors

Abstract Objective: To evaluate the sensitivity and specificity of combined 2D ultrasonography (USG) and contrast-enhanced ultrasonography (CEUS) in analyzing the carotid plaque vulnerability for predicting the recurrent ischemic strokes (IS). Methods: One hundred and fifteen patients with first IS were studied by 2D USG and CEUS. The carotid plaques were then classified on the basis of echogenicity (2D USG) and neovascularization (CEUS). The presence or absence of recurrent IS was considered as the dependent variable. Age, gender, body mass index (BMI), hypertension, hyperglycemia, hyperlipidemia, history of smoking and drinking, type of plaque echogenicity, and grade of plaque neovascularization were considered as independent variables. The risk factors of recurrent IS were analyzed by both univariate and multivariate logistic regression analysis. Finally, the sensitivity and specificity of combined 2D USG and CEUS in the diagnosis of recurrent IS was evaluated by receiver operating characteristic curve. Results: Univariate logistic regression analysis revealed that hypertension, echogenicity type, and grade of plaque neovascularization were predictors of recurrent IS. Further, multivariate logistic regression analysis revealed that the echogenicity type (OR=0.282, P=0.012) and grade of plaque neovascularization (OR=7.408, P<0.0001) were independent risk factors for recurrent IS. The sensitivity, specificity, and area under the curve of combined method were 0.865, 0.769, and 0.817, respectively (95%CI: 0.733-0.902, P<0.0001), which were higher than both 2D USG and CEUS.Conclusions: The echogenicity type and grade of plaque neovascularization are independent risk factors for recurrent IS. The combination of two methods has high sensitivity and specificity in predicting the recurrent IS.

scholarly journals Meta-analysis of contrast-enhanced ultrasonography for the detection of gallbladder carcinoma

2016 ◽  
Vol 18 (3) ◽  
pp. 281 ◽  
Author(s):  
Wei Wang ◽  
Yang Fei ◽  
Feng Wang
Keyword(s):  
Publication Bias ◽  
Likelihood Ratio ◽  
Sensitivity And Specificity ◽  
Gallbladder Carcinoma ◽  
Roc Curve ◽  
Meta Analysis ◽  
Positive Likelihood Ratio ◽  
Negative Likelihood Ratio ◽  
Contrast Enhanced ◽  
Contrast Enhanced Ultrasonography

Aim: To systematically evaluate the accuracy of contrast-enhanced ultrasonography (CEUS) for the detection of gallbladder carcinoma. Material and method:  Relevant studies were identified searching PubMed, Embase, Elsevier, the CNKI (China National Knowledge Infrastructure) database and the Cochrane Trial Register searches until August 2015. Patient clinical characteristics, sensitivity and specificity were extracted. The summary receiver operating characteristic (ROC) curve was used to examine the accuracy of CEUS. A meta-analysis was performed to evaluate the clinical utility in the diagnosis of gallbladder carcinoma. Sensitivity analysis was performed after omitting outliers identified in a bivariate boxplot and publication bias was assessed with Egger testing. Results: From 89 citations, 16 were included in the meta-analysis with a total of 1673 lesions. We detected heterogeneity between studies and evidence of publication bias. The methodological quality was moderate. The pooled weighted sensitivity with a corresponding 95% confidence interval (CI) was 0.92 (95%CI: 0.90, 0.94), the specificity was 0.91 (95%CI: 0.89, 0.93), the positive likelihood ratio was 10.01 (95%CI: 7.02, 14.29), the negative likelihood ratio was 0.10 (95%CI: 0.07, 0.14), and the diagnostic odds ratio was 123.02 (95%CI: 78.40, 193.03). The area under the ROC curve was 0.9689 (95%CI: 0.9376, 0.9879). Conclusions: CEUS is a reliable, non-invasive, and no-radiation-exposure imaging modality with a high sensitivity and specificity for detection of gallbladder carcinoma. Nonetheless, it should be applied cautiously, and large scale, well-designed trials are necessary to assess its clinical value.

Risk Factors of Recurrent Ischemic Events after Acute Noncardiogenic Ischemic Stroke

2020 ◽  
Vol 25 (45) ◽  
pp. 4827-4834 ◽  
Author(s):  
Limin Zhang ◽  
Xingang Li ◽  
Dongzhi Wang ◽  
Hong Lv ◽  
Xuezhong Si ◽  
...  
Keyword(s):  
Risk Factors ◽  
Logistic Regression ◽  
Regression Analysis ◽  
Ischemic Stroke ◽  
Operating Characteristic ◽  
Control Group ◽  
Case Group ◽  
Stroke Patients ◽  
Clopidogrel Therapy ◽  
Ischemic Events

Background: A considerable proportion of acute noncardiogenic ischemic stroke patients continue to experience recurrent ischemic events after standard therapy. Aim: We aimed to identify risk factors for recurrent ischemic event prediction at an early stage. Methods : 286 non-cardioembolic ischemic stroke patients with the onset of symptoms within 24 hours were enrolled. Vascular risk factors, routine laboratory data on admission, thromboelastography test seven days after clopidogrel therapy and any recurrent events within one year were assessed. Patients were divided into case group (patients with clinical adverse events, including ischemic stokes, transient ischemic attack, myocardial infarction and vascular related mortality) and control group (events-free patients). The risk of the recurrent ischemic events was determined by the receiver operating characteristic curve and multivariable logistic regression analysis. Results: Clinical adverse events were observed in 43 patients (case group). The mean levels of Mean Platelet Volume (MPV), Platelet/Lymphocyte Ratio (PLR), Lymphocyte Count (LY) and Fibrinogen (Fib) on admission were significantly higher in the case group as compared to the control group (P<0.001). Seven days after clopidogrel therapy, the ADP-induced platelet inhibition rate (ADP%) level was lower in the case group, while the Maximum Amplitude (MA) level was higher in the case group as compared to the control group (P<0.01). The Area Under the Curve (AUC) of receiver operating characteristic(ROC) curve of LY, PLR, , Fib, MA, ADP% and MPV were 0.602, 0.614, 0.629, 0.770, 0.800 and 0.808, respectively. The logistic regression analysis showed that MPV, ADP% and MA were indeed predictive factors. Conclusion: MPV, ADP% and MA were risk factors of recurrent ischemic events after acute noncardiogenic ischemic stroke. Urgent assessment and individual drug therapy should be offered to these patients as soon as possible.

scholarly journals In-hospital recurrence in a Chinese large cohort with acute ischemic stroke

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Fan Yu ◽  
Xiaolu Liu ◽  
Qiong Yang ◽  
Yu Fu ◽  
Dongsheng Fan
Keyword(s):  
Risk Factors ◽  
Ischemic Stroke ◽  
Hospital Mortality ◽  
Hospital Stay ◽  
Acute Ischemic Stroke ◽  
Recurrent Events ◽  
Early Stage ◽  
High Rate ◽  
Large Artery ◽  
Stroke Event

Abstract Acute ischemic stroke (AIS) has a high risk of recurrence, particularly in the early stage. The purpose of this study was to assess the frequency and risk factors of in-hospital recurrence in patients with AIS in China. A retrospective analysis was performed of all of the patients with new-onset AIS who were hospitalized in the past three years. Recurrence was defined as a new stroke event, with an interval between the primary and recurrent events greater than 24 hours; other potential causes of neurological deterioration were excluded. The risk factors for recurrence were analyzed using univariate and logistic regression analyses. A total of 1,021 patients were included in this study with a median length of stay of 14 days (interquartile range,11–18). In-hospital recurrence occurred in 58 cases (5.68%), primarily during the first five days of hospitalization. In-hospital recurrence significantly prolonged the hospital stay (P < 0.001), and the in-hospital mortality was also significantly increased (P = 0.006). The independent risk factors for in-hospital recurrence included large artery atherosclerosis, urinary or respiratory infection and abnormal blood glucose, whereas recurrence was less likely to occur in the patients with aphasia. Our study showed that the patients with AIS had a high rate of in-hospital recurrence, and the recurrence mainly occurred in the first five days of the hospital stay. In-hospital recurrence resulted in a prolonged hospital stay and a higher in-hospital mortality rate.

scholarly journals A Mendelian randomization analysis of the relationship between cardioembolic risk factors and ischemic stroke

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Danyang Tian ◽  
Linjing Zhang ◽  
Zhenhuang Zhuang ◽  
Tao Huang ◽  
Dongsheng Fan
Keyword(s):  
Risk Factors ◽  
Ischemic Stroke ◽  
Mendelian Randomization ◽  
P Wave ◽  
Cardioembolic Stroke ◽  
Large Artery ◽  
Weighted Analysis ◽  
Inverse Variance ◽  
Weighted Median ◽  
Genetically Determined

AbstractObservational studies have shown that several risk factors are associated with cardioembolic stroke. However, whether such associations reflect causality remains unknown. We aimed to determine whether established and provisional cardioembolic risk factors are causally associated with cardioembolic stroke. Genetic instruments for atrial fibrillation (AF), myocardial infarction (MI), electrocardiogram (ECG) indices and N-terminal pro-brain natriuretic peptide (NT-pro BNP) were obtained from large genetic consortiums. Summarized data of ischemic stroke and its subtypes were extracted from the MEGASTROKE consortium. Causal estimates were calculated by applying inverse-variance weighted analysis, weighted median analysis, simple median analysis and Mendelian randomization (MR)-Egger regression. Genetically predicted AF was significantly associated with higher odds of ischemic stroke (odds ratio (OR): 1.20, 95% confidence intervals (CI): 1.16–1.24, P = 6.53 × 10–30) and cardioembolic stroke (OR: 1.95, 95% CI: 1.85–2.06, P = 8.81 × 10–125). Suggestive associations were found between genetically determined resting heart rate and higher odds of ischemic stroke (OR: 1.01, 95% CI: 1.00–1.02, P = 0.005), large-artery atherosclerotic stroke (OR: 1.02, 95% CI: 1.00–1.04, P = 0.026) and cardioembolic stroke (OR: 1.02, 95% CI: 1.00–1.04, P = 0.028). There was no causal association of P‐wave terminal force in the precordial lead V1 (PTFVI), P-wave duration (PWD), NT-pro BNP or PR interval with ischemic stroke or any subtype.

Patient Demographics, Characteristics, and Intrahospital Mortality of Different Ischemic Stroke Subtypes in a Tertiary Hospital during Five-Year Period

2021 ◽  
Vol 6 (1) ◽  
pp. 6
Author(s):  
Sintija Strautmane ◽  
Kristaps Jurjāns ◽  
Estere Zeltiņa ◽  
Evija Miglāne ◽  
Andrejs Millers
Keyword(s):  
Risk Factors ◽  
Ischemic Stroke ◽  
Reperfusion Therapy ◽  
Cardioembolic Stroke ◽  
Study Group ◽  
Large Artery ◽  
Patient Demographics ◽  
Stroke Subtypes ◽  
Female Predominance ◽  
Study Population

Background and Objectives. Ischemic stroke (IS) is one of the leading causes of disability, morbidity, and mortality worldwide. The goal of the study was to evaluate patient demographics, characteristics, and intrahospital mortality among different ischemic stroke subtypes. Materials and Methods. A retrospective observational non-randomized study was conducted, including only ischemic stroke patients, admitted to Pauls Stradins Clinical university hospital, Riga, Latvia, from January of 2016 until December 2020. Ischemic stroke subtypes were determined according to Trial of Org 10172 in Acute Stroke Treatment (TOAST) criteria as a stroke due to (1) large-artery atherosclerosis (atherothrombotic stroke (AS)), (2) cardioembolism (cardioembolic stroke (CS)), (3) small-vessel occlusion (lacunar stroke (LS)), (4) stroke of other determined etiology (other specified stroke (OSS)), and (5) stroke of undetermined etiology (undetermined stroke (US)). The data between different stroke subtypes were compared. Results. There was a slight female predominance among our study population, as 2673 (56.2%) patients were females. In our study group, the most common IS subtypes were cardioembolic stroke (CS), 2252 (47.4%), and atherothrombotic stroke (AS), 1304 (27.4%). CS patients were significantly more severely disabled on admission, 1828 (81.4%), and on discharge, 378 (16.8%), p < 0.05. Moreover, patients with CS demonstrated the highest rate of comorbidities and risk factors. This was also statistically significant, p < 0.05. Differences between the total patient count with no atrial fibrillation (AF), paroxysmal AF, permanent AF, and different IS subtypes among our study population demonstrated not only statistical significance but also a strong association, Cramer’s V = 0.53. The majority of patients in our study group were treated conservatively, 3389 (71.3%). Reperfusion therapy was significantly more often performed among CS patients, 770 (34.2%), p < 0.05. The overall intrahospital mortality among our study population was 570 (12.0%), with the highest intrahospital mortality rate noted among CS patients, 378 (66.3%), p < 0.05. No statistically significant difference was observed between acute myocardial infarction and adiposity, p > 0.05. Conclusions. In our study, CS and AS were the most common IS subtypes. CS patients were significantly older with slight female predominance. CS patients demonstrated the greatest disability, risk factors, comorbidities, reperfusion therapy, and intrahospital mortality.

Abstract T P153: Women and Men with Ischemic Stroke in SiGN Have Different Subtype Distributions and Risk Factors

Stroke ◽  
2014 ◽  
Vol 45 (suppl_1) ◽  
Author(s):  
Kathryn M Rexrode ◽  
Braxton D Mitchell ◽  
Kathleen A Ryan ◽  
Steven J Kittner ◽  
Hakan Ay ◽  
...  
Keyword(s):  
Risk Factors ◽  
Ischemic Stroke ◽  
Stroke Risk ◽  
Cardioembolic Stroke ◽  
Relative Distribution ◽  
Large Artery ◽  
Stroke Risk Factors ◽  
Stroke Subtypes ◽  
Small Artery Occlusion ◽  
Ischemic Stroke Risk

Introduction: The relative distribution of stroke risk factors, as well as ischemic stroke subtypes, in women compared with men is not well described. Hypothesis: We hypothesized that the distribution of ischemic stroke risk factors and subtypes would differ by sex, with a later onset in women and greater proportion of comorbidities. Methods: The NINDS Stroke Genetics Network (SiGN) consortium was established to evaluate genetic risk factors for ischemic stroke. A total of 23 separate studies performed Causative Classification of Stroke (CCS) typing using standardized criteria on ischemic stroke cases and contributed data on risk factors. We compared the distribution of ischemic stroke risk factors and CCS phenotypes between men and women with ischemic stroke. Results: Of the 16,228 ischemic strokes in SiGN, 8005 (49.3%) occurred in women. Median age at stroke was older in female than male stroke cases (73 vs. 66 years) (p=<0.0001). Among stroke cases, women were more likely than men cases to have hypertension or atrial fibrillation and less likely to have diabetes or coronary artery disease, or to smoke (p <0.003 for all). The distribution of stroke subtypes also differed by sex, with women less likely than men to have large artery infarction and small artery occlusion, and more likely to have cardioembolic stroke and undetermined stroke due to incomplete work-up (p values all <0.0001; see Table). Results were similar when the distribution of stroke subtypes was examined for those <70 years and ≥70 years, except for cardioembolic stroke remaining more common only among women ≥70. Conclusions: In this large group of carefully phenotyped ischemic strokes, the distribution of ischemic stroke subtypes and risk factor profiles differ significantly by sex. Evaluation of the causes of these differences may highlight areas for improved prevention and risk reduction in both genders.

Abstract WP227: Risk Factors for Pathophysiologic Subtypes of Ischemic Stroke Among West Africans: Findings From the SIREN Study

Stroke ◽  
2020 ◽  
Vol 51 (Suppl_1) ◽  
Author(s):  
Fred S Sarfo ◽  
Bruce Ovbiagele ◽  
Onoja M Akpa ◽  
Rufus Akinyemi ◽  
Albert Akpalu ◽  
...  
Keyword(s):  
Risk Factors ◽  
Ischemic Stroke ◽  
Vegetable Consumption ◽  
Conditional Logistic Regression ◽  
Meat Consumption ◽  
Small Vessel ◽  
Large Artery ◽  
Green Vegetable ◽  
Catchment Areas ◽  
West Africans

Background: The risk factors associated with the occurrence of the distinct pathophysiologic subtypes of ischemic stroke are unknown among indigenous Africans. Objective: To identify and quantify the contributions of risk factors for occurrence of ischemic stroke and its etiologic subtypes among West Africans. Methods: The Stroke Investigative Research and Educational Network (SIREN) is a multicenter, case-control study involving 15 sites in Nigeria and Ghana. Cases included adults aged >18 years with CT/MRI confirmed stroke and ischemic strokes were etiologically subtyped using the TOAST protocol. Controls were age-and-gender matched stroke-free adults recruited from the communities in catchment areas of cases. Comprehensive evaluation for vascular, lifestyle and psychosocial factors was performed using standard instruments. We used conditional logistic regression to estimate odds ratios (OR) with 95% CIs. Results: There were 1,721 ischemic stroke cases with a mean age of 62.19 ± 14.03 vs 60.86 ± 13.71 for controls. Using the TOAST etiologic scheme, 867 (50.3%) were small vessel occlusions, 425(24.7%) were large-artery atherosclerotic, 181(10.5%) were cardio-embolic, 204(11.9%) were undetermined and 44(2.6%) were of other determined etiology. The 7 dominant risk factors for ischemic strokes aOR (95%CI) were hypertension 10.76(7.15-16.20), dyslipidemia 5.30(3.86-7.29), diabetes 3.61(2.72-4.80), psychosocial stress 1.68(1.20-2.35), cardiac disease 1.94 (1.25-3.02), meat consumption 2.02(1.54-2.65), green vegetable consumption 0.44(0.33-0.59). Hypertension, dyslipidemia, diabetes, meat consumption and green vegetable intake were confluent factors shared by small-vessel, large-vessel and cardio-embolic ischemic stroke subtypes. Conclusion: We provide empiric evidence of risk factors to be targeted for stroke prevention. Our findings open a vista into future studies aimed at elucidating the genetic factors linked with pathophysiologic subtypes of stroke among Africans.

scholarly journals Etiology of ischemic stroke among young adults of Serbia

2008 ◽  
Vol 65 (11) ◽  
pp. 803-809 ◽  
Author(s):  
Dejana Jovanovic ◽  
Ljiljana Beslac-Bumbasirevic ◽  
Ranko Raicevic ◽  
Jasna Zidverc-Trajkovic ◽  
Marko Ercegovac
Keyword(s):  
Risk Factors ◽  
Young Adults ◽  
Ischemic Stroke ◽  
Heart Diseases ◽  
Developed Countries ◽  
Large Artery ◽  
Stroke Treatment ◽  
Prosthetic Valves ◽  
Number Of Patients ◽  
Coagulation Inhibitors

Background/Aim. Etiology of ischemic stroke (IS) among young adults varies among countries. The aim of the study was to investigate the causes and risk factors of IS in the young adults of Serbia. Methods. A total of 865 patients with IS, aged 15 to 45 years, were treated throughout the period 1989-2005. Etiologic diagnostic tests were performed on the patient by the patient basis and according to their availability at the time of investigation. The most likely cause of stroke was categorized according to the TOAST (Trial of ORG 10172 in Acute Stroke Treatment) criteria. Results. There were 486 men and 379 women, with 19% of the patients ? 30 years old. Large artery arteriosclerosis and small artery disease were confirmed in 14% of the patients, and embolism and other determined causes in 20%. Undetermined causes made up 32% of the patients, mostly those (26%) with incomplete investigations. Smoking (37%), hypertension (35%) and hyperlipidemia (35%) were the most common risk factors. Rheumatic heart diseases and prosthetic valves were the most common causes of IS. Arterial dissections and coagulation inhibitors deficiency were detected in a small number of patients. Conclusion. Etiology of IS among Serbian young adults shares characteristics of those in both western and less developed countries.

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