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Ischemic stroke mortality and time for hospital arrival: analysis of the first 90 days

2023; UNIVERSIDADE DE SÃO PAULO; Volume: 57; Linguagem: Inglês

10.1590/1980-220x-reeusp-2022-0309en

1980-220X

Mariana de Almeida Moraes, Pedro Antônio Pereira de Jesus, Ludimila Santos Muniz, Greice Alves Costa, Larissa Vitória Pereira, Letícia Melquiades Nascimento, Carlos Antônio de Souza Teles, Camila Antunes Baccin, Fernanda Carneiro Mussi,

Venous Thromboembolism Diagnosis and Management

To analyze the association between time of arrival at a reference hospital and mortality of people with ischemic stroke.Descriptive and inferential statistics were used. Modifying and confounding variables between time of arrival and mortality were observed in the multivariate analysis. The Akaike Information Criterion was used to choose the model. Statistical significance of 5% and risk correction using the Poisson Model were adopted.Most participants arrived within 4.5 hours of symptom onset or wake up stroke to the referral hospital and 19.4% died. The score of the National Institute of Health Stroke Scale was a modifier. In the multivariate model stratified by scale score ≥14, arrival time >4.5h was associated with lower mortality; and age ≥60 years and having Atrial Fibrillation, to higher mortality. In the model stratified by score ≤13, previous Rankin ≥3, and presence of atrial fibrillation were predictors of mortality.The relationship between time of arrival and mortality up to 90 days was modified by the National Institute of Health Stroke Scale. Prior Rankin ≥3, atrial fibrillation, time to arrival ≤4.5h, and age ≥60 years contributed to higher mortality.