title: Risk factors among stroke subtypes in Brazil.
abstract: Stroke is a leading cause of mortality and disability in Brazil. Among the risk factors for cerebrovascular disease, some have more influence than others in certain stroke subtypes. Little data are available in the literature on the prevalence of stroke subtypes in Latin America. We analyzed data from 688 patients with acute ischemic stroke (52.3% women; mean age, 65.7 years) who were enrolled in a stroke data bank. Standardized data assessment and stroke subtype classification were used. The most common stroke subtype was large-artery atherosclerosis (n = 223; 32.4%), followed by cardioembolism (n = 195; 28.3%), and microangiopathy (n = 127; 18.5%). Stroke risk factors differ among stroke subtypes. The population of South America is ethnically diverse, and few previous studies have describe the distribution of risk factors among stroke subtypes in this population. In this study, the most important risk factors were hypertension and dyslipidemia.
authors.affiliation: Neurology Department, Sao Lucas Hospital, Pontifíciae Universidade Católica do Rio Grande do Sul (PUCRS)/Instituto do Cérebro (INSCER). lcpmarrone@gmail.com
authors.forename: Luiz Carlos
authors.initials: LC
authors.lastname: Porcello Marrone
authors.forename: Luciano Passamani
authors.initials: LP
authors.lastname: Diogo
authors.forename: Faberson Mocelin
authors.initials: FM
authors.lastname: de Oliveira
authors.forename: Sheila
authors.initials: S
authors.lastname: Trentin
authors.forename: Renata Siciliani
authors.initials: RS
authors.lastname: Scalco
authors.forename: Andréa Garcia
authors.initials: AG
authors.lastname: de Almeida
authors.forename: Luis del Carmo Vega
authors.initials: Ldel C
authors.lastname: Gutierres
authors.forename: Antônio Carlos Huf
authors.initials: AC
authors.lastname: Marrone
authors.forename: Jaderson Costa
authors.initials: JC
authors.lastname: da Costa
mesh_terms: D000368:Aged; D001938:Brazil / Q000453:epidemiology; D059345:Cerebral Small Vessel Diseases / Q000453:epidemiology; D016009:Chi-Square Distribution; D050171:Dyslipidemias / Q000453:epidemiology; D005260:Female; D006331:Heart Diseases / Q000453:epidemiology; D006801:Humans; D006973:Hypertension / Q000453:epidemiology; D002537:Intracranial Arteriosclerosis / Q000453:epidemiology; D020766:Intracranial Embolism / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D012307:Risk Factors; D020521:Stroke / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology*