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1.
Int J Stroke ; 16(3): 280-287, 2021 04.
Artigo em Inglês | MEDLINE | ID: mdl-32536329

RESUMO

BACKGROUND: Stroke burden is highest and is still rising in low- and middle-income countries. Epidemiologic stroke data are lacking in many of these countries. Stroke prevalence in Argentina has been unexplored for almost three decades. AIM: This population-based study aims to determine prevalence of stroke in a representative sample of the Argentinean population. METHODS: We performed a door-to-door survey of randomly selected households in a city of 18,650 inhabitants. A structured questionnaire screening for potential stroke cases was used. All subjects screened positive were then evaluated by stroke neurologists for final adjudication. Data about stroke subtypes, neurological status, vascular risk factors, medications, and diagnostic tests were also collected. RESULTS: Among 2156 surveys, 294 were screened positive for a possible stroke. After neurological evaluation, there were 41 confirmed cases. The adjusted stroke prevalence was 1,974/100,000 inhabitants older than 40 years, and it was higher in men than in women (26.3‰ vs 13.2‰, p<0.01). Prevalence of ischemic stroke, intracranial hemorrhage, and transient ischemic attack were 15.8‰, 2.93‰, and 2.93‰, respectively. The most prevalent vascular risk factors in stroke survivors were hypertension, obstructive sleep apnea, and dyslipidemia. CONCLUSION: Approximately 2 in every 100 subjects older than 40 years in this population are stroke survivors. Stroke prevalence in Argentina has remained stable over the last 30 years; it is higher than in most Latin American countries and similar to western populations.


Assuntos
Ataque Isquêmico Transitório , Acidente Vascular Cerebral , Argentina/epidemiologia , Feminino , Humanos , Masculino , Prevalência , Fatores de Risco , Acidente Vascular Cerebral/epidemiologia
3.
Eur J Neurol ; 27(3): 579-585, 2020 03.
Artigo em Inglês | MEDLINE | ID: mdl-31721389

RESUMO

BACKGROUND AND PURPOSE: The long-term outcomes and stroke recurrence after basilar artery occlusion (BAO) are largely unknown. We aimed to assess these variables in a comparatively large series of consecutive patients. METHODS: Adults with acute BAO were retrospectively identified from 1976 to 2011. Post-discharge records were reviewed to assess for stroke recurrences, mortality and disability. Exploratory analysis of survival was carried out using Kaplan-Meier and log-rank tests. Factors associated with survival time were determined using Cox models. RESULTS: A total of 86 patients (34% female, median age 72 [interquartile range (IQR), 60-79] years) with a median National Institutes of Health Stroke Scale score of 11 (IQR, 6-27) were included. Twenty-nine patients (34%) died during the initial hospitalization. Median modified Rankin Scale (mRS) score at discharge among survivors was 4 (IQR, 2.5-5.5). At 1 and 5 years, 70% of survivors ad a mRS ≤3. Seventeen patients had recurrent strokes during the hospitalization and 12 patients had 19 recurrent strokes after discharge. The median survival time was 52 days (IQR, 6-1846). Older age per decade on admission [adjusted hazard ratios (aHR), 1.32; 95% confidence interval (CI), 1.05-1.66, P = 0.02] and a higher mRS at discharge (aHR, 4.48; 95% CI, 2.72-7.39, P < 0.0001) were associated with mortality. Patients who were not treated with any reperfusion therapy had a trend towards reduced mortality (aHR, 0.39; 95% CI, 0.14-1.08, P = 0.07). CONCLUSIONS: Survivors from BAO had severe short-term functional disability. Most deaths and stroke recurrences occurred within the first year following the initial event. The risk of death was higher in older and more disabled survivors. However, favorable long-term recovery was possible.


Assuntos
Acidente Vascular Cerebral/epidemiologia , Acidente Vascular Cerebral/etiologia , Insuficiência Vertebrobasilar/complicações , Insuficiência Vertebrobasilar/mortalidade , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Avaliação da Deficiência , Feminino , Humanos , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade , Recidiva , Estudos Retrospectivos , Análise de Sobrevida , Resultado do Tratamento
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