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Neurologia. 2017 Jan - Feb;32(1):15-21. doi: 10.1016/j.nrl.2014.12.006. Epub 2015 Feb 20.

Factors associated with poor outcome for aneurysmal subarachnoid haemorrhage in a series of 334 patients.

[Article in English, Spanish]

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Unidad de Ictus, Hospital Comandante Manuel Fajardo, La Habana, Cuba. Electronic address:
Unidad de Ictus, Hospital Hermanos Ameijeiras, La Habana, Cuba.
Servicio de Medicina Interna, Hospital Calixto García, La Habana, Cuba.



This study evaluates care-related sociodemographic, clinical, and imaging factors and influences associated with outcome at discharge in patients with aneurismal subarachnoid haemorrhage.


Retrospective cohort study in 334 patients treated at Hospital Hermanos Ameijeiras in Havana, Cuba between October 2005 and June 2014.


Logistic regression analysis determined that the following factors were associated with higher risk of poor outcome: age older than 65 years (OR 3.51, 95% CI 1.79-5.7, P=.031), female sex (OR 2.17, 95% CI 1.22-3.84, P=.0067), systolic hypertension (OR 4.82, 95% CI 2.27-9.8, P=.0001), and hyperglycaemia at admission (OR 3.93, 95% CI 2.10-7.53, P=.0003). Certain complications were also associated with poor prognosis, including respiratory infection (OR 2.73, 95% CI 1.27-5.85, P=.0085), electrolyte disturbances (OR 3.33, 95% CI 1.33-8.28, P=.0073), hydrocephalus (OR 2.21, 95% CI 1.05-4.63, P=.0039), rebleeding (OR 16.50, 95% CI 8.24-41.24, P=.0000), symptomatic vasospasm (OR 19.00, 95% CI 8.86-41.24, P=.0000), cerebral ischaemia (OR 3.82, 95% CI 1.87-7.80, P=.000) and multiplex rebleeding (OR 6.69, 95% CI 1.35-36.39, P=.0019). Grades of iii and iv on the World Federation of Neurological Surgeons (OR 2.09, 95% CI 1.12-3.91, P=.0021) and Fisher scales (OR 5.18, 95% CI 2.65-10.29, P=.0008) were also related to poor outcome.


Outcome of aneurysmal subarachnoid haemorrhage was related to age, sex, clinical status at admission to the stroke unit, imaging findings according to the Fisher scale, blood pressure, glycaemia and such complications as electrolyte disturbances, hydrocephalus, rebleeding, and multiplex rebleeding.


Aneurisma intracraneal; Cerebrovascular disease; Complicaciones; Complication; Enfermedad cerebrovascular; Escala de Rankin; Evolución; Hemorragia subaracnoidea; Intracranial aneurysm; Outcome; Rankin scale; Subarachnoid haemorrhage

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