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Belgian global implementation of cardiovascular and stroke risk assessment study: methods and baseline data of the
Patricia Van der Niepen1, Vincent Thijs, Dirk Devroey
1Department of Nephrology and Hypertension, Universitair Ziekenhuis Brussel, Brussels, Belgium. hemovnnp@uzbrussel.be
Objectives:
BELGICA-STROKE is a longitudinal study to enhance the use of online cardiovascular risk prediction scores based on the SCORE 10-year risk estimates for fatal cardiovascular disease (adapted for Belgium) and the Framingham 10-year stroke risk and to evaluate their impact on the cardiovascular risk profile of hypertensive patients. Methods and baseline characteristics are described here.
Design:
Prospective, multicenter study in primary care.
Methods:
General practitioners (N = 810) recruited consecutive hypertensive patients aged >40 years who were not at blood pressure goal and assessed them every 4 months. The estimated 10-year risks for fatal cardiovascular disease and stroke were available on a secured, specially designed study website. The calculated risk profile of a patient was modifiable by adding treatment goals in order to increase awareness and motivation of both physician and patient. An automated feedback on goal-level attainment and both cardiovascular risk scores was provided.
Results:
Mean age of the 15,744 patients was 66.3 years: 51.9% were men, 77.8% had excess weight, 19.4% were smokers, and 25.9% had diabetes. Left ventricle hypertrophy was present in 20.0%, atrial fibrillation in 5.8%. Mean blood pressure was 153.8/88.2 mmHg, mean cholesterol 211.5 mg/dl. Most patients (89.2%) received antihypertensive medication, of which 36.9% was monotherapy. Mean estimated 10-year stroke risk was 19.1%, and mean estimated 10-year fatal cardiovascular disease risk 5.9%.
Conclusions:
The 10-year estimated stroke and fatal cardiovascular disease risks were moderate to high in hypertensive patients not at goal blood pressure, emphasizing the importance of global cardiovascular risk factor assessment.
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