BACKGROUND: Case-management programs for secondary prevention of coronary artery disease that utilize extensive resources can reduce cardiovascular risk factors, but less intensive approaches have failed to show benefits. This randomized trial evaluated whether a medium intensity case-management program improves risk factor control in patients with coronary artery disease.METHODS: We assigned 201 consecutive patients hospitalized for acute coronary events in the intensive care unit of University Hospital, Basel, Switzerland, to either a risk factor case-management program (n = 99) or care as usual (n = 102) using the patients' primary care physicians as the unit of randomization (cluster randomization). The case-management program consisted of an hour of counseling by a clinician during hospitalization and two short reminders by phone and mail 3 and 6 months later. Treatment decisions were left to patients and their primary care physicians.RESULTS: After 9 and 18 months of follow-up, there were no significant differences in lipid values, blood pressure control, fasting blood glucose, body-mass index, or number of smokers between the two groups. However, significantly more patients in the intervention group than in the care as usual group achieved target cholesterol values after 18 months (48% versus 27%, P = 0.002 and remained significant after Bonferroni-Holms correction) but not after 9 months of follow-up (31% versus 27%, P >0.2).CONCLUSION: This hospital-based case-management and outreach program, limited to counseling by a clinician, did not substantially improve cardiovascular risk factor control among patients hospitalized for coronary events.
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