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Eur J Neurol ; 24(3): 509-515, 2017 03.
Artigo em Inglês | MEDLINE | ID: mdl-28102025

RESUMO

BACKGROUND AND PURPOSE: For patients with acute ischaemic stroke due to large-vessel occlusion, it has recently been shown that mechanical thrombectomy (MT) with stent retrievers is better than medical treatment alone. However, few hospitals can provide MT 24 h/day 365 days/year, and it remains unclear whether selected patients with acute stroke should be directly transferred to the nearest MT-providing hospital to prevent treatment delays. Clinical scales such as Rapid Arterial Occlusion Evaluation (RACE) have been developed to predict large-vessel occlusion at a pre-hospital level, but their predictive value for MT is low. We propose new criteria to identify patients eligible for MT, with higher accuracy. METHODS: The Direct Referral to Endovascular Center criteria were defined based on a retrospective cohort of 317 patients admitted to a stroke center. The association of age, sex, RACE scale score and blood pressure with the likelihood of receiving MT were analyzed. Cut-off points with the highest association were thereafter evaluated in a prospective cohort of 153 patients from nine stroke units comprising the Madrid Stroke Network. RESULTS: Patients with a RACE scale score ≥ 5, systolic blood pressure <190 mmHg and age <81 years showed a significantly higher probability of undergoing MT (odds ratio, 33.38; 95% confidence interval, 12-92.9). This outcome was confirmed in the prospective cohort, with 68% sensitivity, 84% specificity, 42% positive and 94% negative predictive values for MT, ruling out 83% of hemorrhagic strokes. CONCLUSIONS: The Direct Referral to Endovascular Center criteria could be useful for identifying patients suitable for MT.


Assuntos
Isquemia Encefálica/diagnóstico , Isquemia Encefálica/terapia , Serviços Médicos de Emergência/métodos , Procedimentos Endovasculares , Acidente Vascular Cerebral/diagnóstico , Acidente Vascular Cerebral/terapia , Idoso , Estudos de Coortes , Feminino , Humanos , Masculino , Transferência de Pacientes , Projetos Piloto , Estudos Retrospectivos , Espanha , Stents , Trombectomia , Tempo para o Tratamento
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