Q J Med 2000; 93: 41-44
© 2000 Association of Physicians
Secular trends in the management of hypertension and atrial fibrillation in patients presenting with stroke
From the William Harvey Hospital Ashford, Kent and 1 King's College School of Medicine & Dentistry, London, UK
Received 23 June 1999 and in revised form 5 October 1999
Dr D.G. Smithard, Department of Elderly Health, William Harvey Hospital, Kennington Road, Willesborough, Ashford, Kent TN24 0LZ
We studied changes in stroke prevention in 2000 ischaemic stroke patients using prospectively collected data from an incident stroke register over 3 years. Patients were divided into those with risk factors but no previous history of a vascular event (asymptomatic vascular disease) and those with risk factors and a previous history of stroke or TIAs, ischaemic heart disease, angina, myocardial infarction or peripheral vascular disease (symptomatic vascular disease). Time trends were analysed for the use of aspirin, management of hypertension and atrial fibrillation prior to the presenting episode. Median age of those with known risk factors included in the study was 75 years (range 44–99 years); 60% were women. Year-by-year analysis showed no differences in demography, stroke characteristics or vascular risk profile. The use of aspirin for symptomatic vascular disease increased with time (28% to 72%) (p<0.001), but did not increase for asymptomatic vascular disease, despite risk factors being present. The proportion of patients receiving antihypertensive treatment for symptomatic vascular disease was unchanged with time (66% to 64%) but there was a significant increase in the number of patients receiving antihypertensive treatment for asymptomatic vascular disease (28% to 44%) (p<0.05). The proportion of patients with atrial fibrillation receiving antithrombotic treatment did not increase for asymptomatic vascular disease (23% to 21%) (p=0.54) but did increase for symptomatic vascular disease (19.5% to 37%) (p<0.01) over 3 years. The use of warfarin in atrial fibrillation increased both in the case of asymptomatic (4.5% to 42%) (p<0.01) and symptomatic vascular disease (12.5% to 33.0%) (p<0.01).
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