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Prehospital identification of factors associated with death during one‐year follow‐up after acute stroke

OBJECTIVES: In acute stroke, the risk of death and neurological sequelae are obvious threats. The aim of the study was to evaluate the association between various clinical factors identified by the emergency medical service (EMS) system before arriving at hospital and the risk of death during the su...

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Detalles Bibliográficos
Autores principales: Hansson, Per‐Olof, Andersson Hagiwara, Magnus, Brink, Peter, Herlitz, Johan, Wireklint Sundström, Birgitta
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5991565/
https://www.ncbi.nlm.nih.gov/pubmed/29770601
http://dx.doi.org/10.1002/brb3.987
Descripción
Sumario:OBJECTIVES: In acute stroke, the risk of death and neurological sequelae are obvious threats. The aim of the study was to evaluate the association between various clinical factors identified by the emergency medical service (EMS) system before arriving at hospital and the risk of death during the subsequent year among patients with a confirmed stroke. MATERIAL AND METHODS: All patients with a diagnosis of stroke as the primary diagnosis admitted to a hospital in western Sweden (1.6 million inhabitants) during a four‐month period were included. There were no exclusion criteria. RESULTS: In all, 1,028 patients with a confirmed diagnosis of stroke who used the EMS were included in the analyses. Among these patients, 360 (35%) died during the following year. Factors that were independently associated with an increased risk of death were as follows: (1) high age, per year OR 1.07; 95% CI 1.05‐1.09; (2) a history of heart failure, OR 2.08; 95% CI 1.26‐3.42; (3) an oxygen saturation of <90%, OR 8.05; 95% CI 3.33‐22.64; and (4) a decreased level of consciousness, OR 2.19; 95% CI 1.61‐3.03. CONCLUSIONS: Among patients with a stroke, four factors identified before arrival at hospital were associated with a risk of death during the following year. They were reflected in the patients’ age, previous clinical history, respiratory function, and the function of the central nervous system.