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London, United Kingdom 2013 Poster Session Red Cerebrovasc Dis 2013; 35 (suppl 3)1-854 449 310 Etiology of stroke and risk factors THE CAUSATIVE CLASSIFICATION OF STROKE (CCS) FOR ETIOLOGICAL CLASSI-FICATION OF ISCHEMIC STROKE AND COMPARISON WITH THE TOAST SYSTEM S. Ozturk1, H. Ekmekci2, A. Demir3 Selcuk University, Medical Faculty, Department of Neurology, Konya, TURKEY1, Selcuk Uni-versity, Medical Faculty, Department of Neurology, Konya, TURKEY2, Selcuk University, Medical Faculty, Department of Neurology, Konya, TURKEY3 Etiological classification of ischemic stroke is very important for treatment of individual patient and also for improving population based preventive programs. The most commonly used system is The Trial of ORG 10172 in Acute Stroke Treatment System (TOAST). New classification systems as The Causative Classification of Stroke System (CCS) which is based causative etiologies of the stroke have been used.This study was planned to evaluate CCS and TOAST classifications and to evaluate similarities and differences of distribution of risk factors evaluated in these systems. In this retrospective study 100 consequitive acute stroke patients (67 male, 33 female patients) were recorded automatized The CCS system and beside this classification these patients were classified accoding to The TOAST. The rates of etiological subgroups were compared in two classification system. The median age of the patients was 66.6 (within 27-95 range). In TOAST classification, the distribu-tion of groups were 22% cardioembolic,15% large artery atherosclerosis, 9% small artery occlusion, 10% other uncommon causes, 44% undetermined while in the CCS classification system these rates were 27% cardioembolic, 26% large artery atherosclerosis, 10% small arter occlusion, 11% other causes and 25% undetermined. There were a significant difference for rate of cardioembolic group and undetermined subgroup between two systems (p=0.000 and p=0.000). The CCS system may be useful to increase of determination of etiology in the patients who were in-cluded in the undetermined group according to The TOAST classification and this may be an advan-tage during prevention and treatment plan of this subgroup in clinical practice. 311 Etiology of stroke and risk factors Blood pressure control on standard medical therapy after stroke: a cross-sectional analysis from a single centre stroke outpatient department L. Bentsen1, D. Krieger2, S. Ochoa3, H. Christensen4 Department of Neurology, Bispebjerg University Hospital, Copenhagen, DENMARK1, De-partment of Neurology, Bispebjerg University Hospital, Copenhagen, DENMARK2, Department of Neurology, Bispebjerg University Hospital, Copenhagen, DENMARK3, Department of Neurology, Bispebjerg University Hospital, Copenhagen, DENMARK4 Background: Hypertension remains the strongest explanatory risk factor for stroke and recurrent stroke. The aim of this cross-sectional analysis was to explore the extent of blood pressure control and the use of an-tihypertensive medication after stroke. Method: Stroke patients from a basic catchment’s area of 350.000 as well as all patients after i.v. thromboly-sis and patients considered complex are referred from the Capitol Region of Copenhagen. All newly referred patients with first appointment from 1.th of September through November 2012 were in-cluded into this analysis. The office blood pressure was measured recording to guidelines and de-fined hypertensive when higher than 140/90 mm Hg, and in diabetics higher than 135/85. Patients on antihypertensive medication were defined hypertensive independent of blood pressure and office blood pressure. Results: 171 patients had their first appointment in the day clinic during this period, 127 of these patients (74,3 %) were hypertensive. 61 (48 %) of the hypertensive patients were well regulated medical-ly, with 25 (41 %) on 1 medication, 22 (36,1 %) on two medications and 14 (22,9 %) on 3 or more medications. 66 patients (52 %) were hypertensive and not well regulated; of those 17 (25,8 %) were not on any antihypertensive medication, 18 (27,3 %) were on 1 medication, 17 (25,8 %) were on 2 medications and 12 (18,2 %) were on 3 or more medications. 105 of the 127 patients with hypertension (82,7 %) were diagnosed with hypertension before stroke event and 45 of the 105 (42,9 %) patients were not well regulated. Conclusion: Over 50 % of the hypertensive patients after stroke were not well regulated medically, 25 % of these were taking no antihypertensive medication at all. Especially since these patients have a higher risk of recurrent stroke, the prevention with blood pressure reduction is in need of greater attention.


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