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Am J Med. 2005 May;118(5):521-8.

Group versus individual academic detailing to improve the use of antihypertensive medications in primary care: a cluster-randomized controlled trial.

Author information

  • 1Department of Ambulatory Care and Prevention, Harvard Medical School and Harvard Pilgrim Health Care, 133 Brookline Avenue 6th Floor, Boston, MA 02215, USA. steven_simon@hms.harvard.edu

Abstract

PURPOSE:

To compare group versus individual academic detailing to increase diuretic or beta-blocker use in hypertension.

METHODS:

We conducted a cluster-randomized controlled trial in a large health maintenance organization. Subjects (N=9820) were patients with newly treated hypertension in the year preceding the intervention (N=3692), the 9 months following the intervention (N=3556), and the second year following intervention (N=2572). We randomly allocated 3 practice sites to group detailing (N=227 prescribers), 3 to individual detailing (N=235 prescribers), and 3 to usual care (N=319 prescribers). Individual detailing entailed a physician-educator meeting individually with clinicians to address barriers to prescribing guideline-recommended medications. The group detailing intervention incorporated the same social marketing principles in small groups of clinicians.

RESULTS:

In the first year following the intervention, the rates of diuretic or beta-blocker use increased by 13.2% in the group detailing practices, 12.5% in the individual detailing practices, and 6.2% in the usual care practices. As compared with usual care practices, diuretic or beta-blocker use was more likely in group detailing practices (adjusted odds ratio (OR), 1.40; 95% confidence interval (CI), 1.11 - 1.76) and individual detailing practices (adjusted OR, 1.30; 95% CI, 0.95 - 1.79). Neither intervention affected blood pressure control. Two years following this single-visit intervention, there was still a trend suggesting a persistent effect of individual (OR, 1.22; 95% CI, 0.92 - 1.62), but not group, detailing (OR, 1.06; 95% CI, 0.80 - 1.39), as compared with usual care.

CONCLUSION:

Both group and individual academic detailing improved antihypertensive prescribing over and above usual care but may require reinforcement to sustain improvements.

PMID:
15866255
[PubMed - indexed for MEDLINE]
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