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  • Title: Temporal trends in vascular risk factors and etiology of urban Polish stroke patients from 1995 to 2013.
    Author: Bembenek JP, Karlinski M, Mendel TA, Niewada M, Sarzynska-Dlugosz I, Kobayashi A, Baranowska A, Czlonkowska A.
    Journal: J Neurol Sci; 2015 Oct 15; 357(1-2):126-30. PubMed ID: 26187297.
    Abstract:
    BACKGROUND: Despite estimates about general trends in stroke epidemiology worldwide, there are only a few reports of detailed longitudinal data and none of them reflects the economic transition that occurred in Central and Eastern Europe over the last two decades. The aim of this study was to investigate long term trends in risk factors and their pre-stroke control as well as acute stroke clinical presentation and etiology in Polish urban setting. METHODS: This is a retrospective registry-based analysis of consecutive acute stroke patients from a highly urbanized area (Warsaw, Poland) admitted to a single stroke center between 1995 and 2013. Patients were divided into four time periods: 1995-1999 (n=529), 2000-2004 (n=1253), 2005-2009 (n=1320) and 2010-2013 (n=871). RESULTS: During the study period 3973 first-ever stroke patients were admitted. The proportion of ischaemic strokes (88.2% to 90.9%) and male patients (45.2% to 46.2%) remained stable throughout the whole study period. Admitted patients became older (72, 73, 74 and 76years, consecutive time periods), were more likely to be diagnosed with hypertension (from 61.1% to 72.8%) and disable (84.3% to 67.4%) prior to stroke. There was an increase in pre-stroke use of antihypertensives in patients with hypertension (from 77.8% to 90.5%), antiplatelets in patients with coronary artery disease (from 33.9% to 56.5%), vitamin K antagonists in patients with atrial fibrillation (from 6.3% to 39.8%) and statins (from 7.6% to 26.3%). There was a decrease in mean stroke severity (9, 11, 8 and 6 points on the National Institutes of Stroke Scale) on admission and the proportion of strokes attributed to small-vessel disease (22.0%, 20.0%, 10.6% and 8.3%). CONCLUSIONS: Over the last two decades the profile of urban Polish stroke patients has changed significantly and it can be attributed to marked economic improvement in Poland since 1990s. Increasing age and better management of pre-existing vascular risk factors were accompanied by decreasing stroke severity and lower proportion of strokes attributed to small-vessel disease.
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