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To analyze blood pressure (BP) control in secondary prevention.Individual data of two cross-sectional studies on preventive cardiology (PRATIK and ESPOIR studies conducted, respectively, in general practice and with private cardiologists) were analyzed.Primary care.Patients both with treated hypertension and coronary disease.Risk factors, treatments, cardiovascular history and BP were recorded. Each population was divided in three groups: group I, no other risk factor; group II, one or two risk factors; group III, three or more risk factors or diabetes.A total of 1423 and 2596 patients, respectively, recruited in general practice and by cardiologists were analyzed. Of these, 473 (33.24%) and 1060 (40.83%) patients, respectively, had controlled hypertension. Among uncontrolled hypertensives, more than 50% had borderline isolated systolic hypertension. Associated risk factors negatively affect hypertension control, which had been achieved in a lower percentage of patients in group III than in group I (general practice, 26.28 versus 42.20%; cardiological practice, 32.42 versus 56.13%). In general practice, the percentage of patients receiving beta-blockers was significantly lower in group III. Among individuals with uncontrolled hypertension, only 17.58 and 26.69% received at least three-drug treatment including diuretics in general and in cardiological practice, respectively.The negative influence of associated risk factors and the under-use of combination therapy contribute to poor BP control. In addition the high frequency of borderline isolated systolic hypertension suggests that the prerequisite to improve hypertension control should be to convince practitioners of the beneficial effect of tight systolic BP control (below 140 mmHg) in secondary prevention.