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Repert. med. cir ; 23(4): 267-275, 2014. ilus., tab.
Artigo em Inglês, Espanhol | LILACS, COLNAL | ID: lil-795684

RESUMO

El AIT (ataque isquémico transitorio) se considera predictor de ACV. El seguimiento a seis meses mostró un riesgo cercano al 10%. Son dos espectros de la enfermedad cerebro vascular isquémica de alto impacto en la morbi-mortalidad a nivel mundial. Objetivo: evaluar la incidencia de ACV en pacientes con AIT hospitalizados en dos instituciones con seguimiento a 180 días. Metodología: estudio de cohorte, el AIT se definió por historia y examen clínico, excluyendo el infarto por neuroimagen. Se evaluó el riesgo de ACV con la escala ABCD2, documentándolo por neuroimagen. Resultados: ingresaron 85 casos (abril 2012/ abril 2013). Edad promedio 68.1 años (DE 13.5), 62.4% mujeres. Los factores de riesgo más frecuentes fueron HTA (69.4%), dislipidemia (56.4%), tabaquismo (31.1%) y antecedente de ACV (18.8%). El 24.6% presentó ACV (n:19), con dos fallecimientos (2.4%). El ABCD2 ≥ 5 fue predictor de ACV, HR 4.7 [IC 95% 1.1-20.7]. Entre los pacientes con previo antecedente de ACV, la mitad de ellos repitió el evento (8/16), HR 2.2 [IC 95% 0.81-6.1]. Conclusión: hay alta incidencia de ACV después de AIT. Se requieren estudios con muestra de mayor tamaño.


Transient ischemic attacks (TIAs) are considered predictors of CVA. A six-month follow-up showed a risk of nearly 10%. There are two spectrums of ischemic cerebrovascular disorders with high impact on morbidity and mortality worldwide. Objective: to assess the incidence of CVAs after a 180-day follow-up in patients with prior TIA hospitalized in two institutions. Methodology: a cohort study: TIA was defined by medical record and physical exam, excluding infarct by neuroimaging. CVA risk was assessed using the ABCD2 scale and documented by neuroimaging. Results: eighty-five cases were admitted between April, 2012 and April, 2013; mean age was 68.1 years (SD 13.5); 62.4% were females. The most frequent risk factors were, ATH (69.4%), dyslipidemia (56.4%), smoking (31.1%) and prior stroke (18.8%). A CVA occurred in 24.6% (n: 19), accounting for 2 deaths (2.4%). An ABCD2 score ≥ 5 was a predictor of CVA, HR 4.7 [CI 95% 1.1-20.7]. Of patients with a prior CVA half presented a new event (8/16), HR 2.2 [CI 95% 0.81-6.1]. Conclusion: there is a high incidence of CVA after a TIA. Studies with a larger sample size are required.


Assuntos
Humanos , Feminino , Idoso , Acidente Vascular Cerebral , Ataque Isquêmico Transitório , Fatores de Risco , Hipertensão
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