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Revista chilena de neuro-psiquiatría

versión On-line ISSN 0717-9227

Resumen

VARGAS, Alberto; LOBOS, Andrea  y  POSTIGO, Javiera. Posterior circulation stroke patients with patent foramen oval and/or atrial septal aneurysm: Presentation of two cases and an update. Rev. chil. neuro-psiquiatr. [online]. 2016, vol.54, n.1, pp.27-33. ISSN 0717-9227.  http://dx.doi.org/10.4067/S0717-92272016000100004.

3% of the cerebrovascular accidents (CVA) compromise the cerebellum. The area most commonly affected in unilateral cerebellar stroke is the posterior inferior cerebellar artery (PICA). Atherosclerotic disease is the first cause, however, in patients with patent foramen ovale (PFO), it is important to consider a paradoxical embolism (PE) within the possibilities. Two cases of patients with posterior cerebellar stroke associated with PFO territory and inter atrial septal aneurysm (ASA) and a review of the literature is presented. Clinical cases: 87 year old woman with a history of stroke in 2012, PFO and ASA. Presented with dizziness, gait abnormality and vomiting. CT shows ischemic brain injury PICA territory. The echocardiogram evidenced ASA + FOP. Holter rhythm analysis evidenced a paroxysmal atrial fibrillation. 72-year-old man presented with dizziness, blurred vision and postural instability. TC showed ischemic brain injury in the territory of PICA and superior cerebellar artery (SCA). Echocardiogram evidenced ASA and PFO. The rest of the study embolic source was negative. Conclusión: There is an association between PFO and cryptogenic stroke. The most studied etiological factor is the paradoxical embolism, which could affect the posterior territory, as seen in the two clinical cases exposed. The best treatment option is notyet clarified and depends on the clinical context of each patient.

Palabras clave : Stroke; Cerebellum; Patent Foramen Ovale; Inter Atrial Septal Aneurysm..

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