Risk Factors among Stroke Subtypes in Brazil

Marrone, Luiz Carlos Porcello; Diogo, Luciano Passamani; Oliveira, Faberson Mocelin de; Trentin, Sheila; Scalco, R.; Almeida, Alexandre Oliveira; Gutierres, Luis del Carmo Vega; Marrone, A.; Costa, Jaderson Costa da

doi:10.1016/j.jstrokecerebrovasdis.2011.05.022

Cited by 33 publications

(33 citation statements)

References 14 publications

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“…In addition, the patients in our study presented with a higher number of atherosclerotic risk factors, predominantly hypertension, hyperlipidemia, and diabetes mellitus when compared with the patients in another large case-control study 17 . A similar set of risk factors was observed in another recent study done in Southern Brazil 18 . These findings could be explained by the patients having a more complex atherosclerotic disease, increasing the recurrence risk of ischemic stroke in this population.…”

Section: Discussionsupporting

confidence: 85%

Stroke recurrence in the different subtypes of ischemic stroke. The importance of the intracranial disease

Lange

Ribas

Scavasine

et al. 2018

Arq. Neuro-Psiquiatr.

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The aim of the study was to analyze the long-term recurrence rate in patients with a first-ever ischemic stroke secondary to intracranial large artery atherosclerosis (LAA) in a Brazilian population. Methods: All stroke patients admitted to the hospital between October 2012 and September 2015 were evaluated. The stroke mechanism subtypes were classified as cardioembolism, LAA, small-vessel occlusion, other determined etiologies, and stroke of undetermined etiology. Results: The 359 first-ever ischemic stroke patients were followed up for a mean time of 21.6 ± 15.1 months. The LAA intracranial (38.9%) and extracranial (24.6%) stroke patients presented with a higher stroke recurrence. Intracranial LAA [HR, 10.2 (3.6–29.1); p < 0.001] and extracranial LAA [HR, 5.05 (1.79–14.2); p = 0.002] were the only conditions to show positive correlation with the recurrence rate, after adjusting for risk factors, thrombolysis, and National Institutes of Health Stroke Scale score at admission. Conclusion: Intracranial LAA presents a higher incidence of recurrence of ischemic stroke when compared with other etiologies in a Southern Brazilian population.

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Section: Discussionsupporting

confidence: 85%

Stroke recurrence in the different subtypes of ischemic stroke. The importance of the intracranial disease

Lange

Ribas

Scavasine

et al. 2018

Arq. Neuro-Psiquiatr.

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“…In Buenos Aires, Argentina, 42% of all IS subtypes were SVO 24 . In Porto Alegre city, also in southern Brazil, 32% were LAA 25 . These finding could be related to dietary conditions, the poor control of risk factors, socioeconomic conditions, age, sex and race 24,25 .…”

Section: Discussionmentioning

confidence: 99%

“…In Porto Alegre city, also in southern Brazil, 32% were LAA 25 . These finding could be related to dietary conditions, the poor control of risk factors, socioeconomic conditions, age, sex and race 24,25 . However, the study design was not suitable for these analyses because non-hospitalized patients had differences in the etiological subtypes and risk factors compared to hospitalized patients 26 .…”

Section: Discussionmentioning

confidence: 99%

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Incidence and mortality of ischemic stroke subtypes in Joinville, Brazil: a population-based study

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Cabral

Moro

et al. 2015

Arq. Neuro-Psiquiatr.

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Previous population-based studies reported the incidence and mortality of ischemic stroke (IS) subtypes in different settings, most of them on the White population from high-income countries 1,2,3,4,5,6,7,8 . In Latin America, there is only one study, which was conducted in a Spanish and Mestizo population in Iquique, Chile 9. As far as we know, no previous study has reported IS subtypes rates among predominantly White people from Latin America.The crude annual incidence rate of IS in Brazil range from 62 to 92 per 100,000 inhabitants with a mixed pattern of cardiovascular risk, characterized by high prevalence of ischemic heart disease, dyslipidemia, hypertension and diabetes 10,11 . Determining the incidence, mortality and risk factors among IS subtypes may help to improve the public health actions and reduce the IS disease burden 12,13 . ABstrAct Aims: To measure the incidence and mortality rates of ischemic stroke (IS) subtypes in Joinville, Brazil. Methods: All first-ever IS patients that occurred in Joinville from January 2005 to December 2006 were identified. The IS subtypes were classified by the TOAST criteria, and the patients were followed-up for one year after IS onset. Results: The age-adjusted incidence per 100,000 inhabitants was 26 (17-39) for large-artery atherosclerosis (LAA), 17 (11-27) for cardioembolic (CE), 29 (20-41) for small vessel occlusion (SVO), 2 (0.6-7) for stroke of other determined etiology (OTH) and 30 (20-43) for stroke of undetermined etiology (UND). The 1-year mortality rate per 100,000 inhabitants was 5 (2-11) for LAA, 6 (3-13) for CE, 1 (0.1-6) for SVO, 0.2 (0-0.9) for OTH and 9 (4-17) for UND. Conclusion: In the population of Joinville, the incidences of IS subtypes were similar to those found in other populations. These findings highlight the importance of better detection and control of atherosclerotic risk factors.

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“…Stroke is the leading cause of mortality and disability in Brazil and South America. However, there is little knowledge about stroke epidemiology, stroke subtypes, and risk factors in Latin America [ 1 – 3 ].…”

Section: Introductionmentioning

confidence: 99%

Cardioembolic Sources in Stroke Patients in South of Brazil

et al. 2014

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Background. Stroke is a leading cause of mortality and disability in Brazil and around the world. Cardioembolism is responsible for nearly 30% of the origins of ischemic stroke. Methods. We analyzed data of 256 patients with cardioembolic ischemic stroke (according to TOAST classification) who were admitted into the Hospital São Lucas-PUCRS from October 2011 to January 2014. The cardioembolic subtype was divided into six subgroups: arrhythmias, valvular heart disease, coronary artery disease, cardiomyopathy, septal abnormalities, and intracardiac injuries. The prevalence of the most important cardiovascular risk factors and medications in use for prevention of systemic embolism by the time of hospital admission was analyzed in each patient. Results. Among 256 patients aged 60.2 +/− 6.9 years, 132 males, arrhythmias were the most common cause of cardioembolism corresponding to 50.7%, followed by valvular heart disease (17.5%) and coronary artery disease (16%). Hypertension (61.7%) and dyslipidemia (43.7%) were the most common risk factors. Less than 50% of patients with arrhythmias were using oral anticoagulants. Conclusions. Identifying the prevalence of cardioembolic stroke sources subgroups has become an increasingly important role since the introduction of new oral anticoagulants. In this study, arrhythmias (especially atrial fibrillation) were the main cause of cardioembolism.

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Risk Factors among Stroke Subtypes in Brazil

Cited by 33 publications

References 14 publications

Stroke recurrence in the different subtypes of ischemic stroke. The importance of the intracranial disease

Stroke recurrence in the different subtypes of ischemic stroke. The importance of the intracranial disease

Incidence and mortality of ischemic stroke subtypes in Joinville, Brazil: a population-based study

Cardioembolic Sources in Stroke Patients in South of Brazil

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