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- Martinez-Majander, N., et al.
(författare)
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Embolic strokes of undetermined source in young adults: baseline characteristics and long-term outcome
- 2018
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Ingår i: European Journal of Neurology. - : Wiley. - 1351-5101 .- 1468-1331. ; 25:3, s. 535-541
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Tidskriftsartikel (refereegranskat)abstract
- Background and purposeEmbolic strokes of undetermined source (ESUS) are a recent entity, not yet thoroughly investigated in young stroke patients. The clinical characteristics and long-term risks of vascular events and all-cause mortality between young-onset ESUS and other aetiological subgroups were compared. MethodsPatients with ESUS were identified amongst the 1008 patients aged 15-49 years with first-ever ischaemic stroke in Helsinki Young Stroke Registry, and primary end-points were defined as recurrent stroke, composite vascular events and all-cause mortality. Cumulative 15-year risks for each end-point were analysed with life tables and adjusted risks were based on Cox proportional hazard analyses. ResultsOf the 971 eligible patients, 203 (20.9%) were classified as ESUS. They were younger (median age 40 years, interquartile range 32-46 vs. 45 years, 39-47), more often female (43.3% vs. 35.7%) and had fewer cardiovascular risk factors than other modified TOAST groups. With a median follow-up time of 10.1 years, ESUS patients had the second lowest cumulative risk of recurrent stroke and composite vascular events and lowest mortality compared to other TOAST groups. Large-artery atherosclerosis and small vessel disease carried significantly higher risk for recurrent stroke than did ESUS, whilst no difference appeared between cardioembolism from high-risk sources and ESUS. ConclusionsIn our cohort, ESUS patients were younger and had milder cardiovascular risk factor burden and generally better long-term outcome compared to other causes of young-onset stroke. The comparable risk of recurrent stroke between ESUS and high-risk sources of cardioembolism might suggest similarities in their pathophysiology.
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