Diabetes Care, Vol 22, Issue 10 1672-1678, Copyright © 1999 by American Diabetes Association

ARTICLES

Implementing practice guidelines for diabetes care using problem-based learning. A prospective controlled trial using firm systems

EM Benjamin, MS Schneider and KT Hinchey
Clinical Practices Evaluation and Management, Baystate Medical Center, Springfield, MA 01199, USA. evan.benjamin@bhs.org

OBJECTIVE: A controlled trial with 15-month follow-up was conducted in two outpatient clinics to study the effects of using the problem-based learning technique to implement a diabetes clinical practice guideline. RESEARCH DESIGN AND METHODS: A total of 144 patients with type 2 diabetes aged 25-65 years in two internal medicine outpatient clinics were enrolled in the study. African-Americans and Hispanics made up > 75% of the patients. Doctors and staff in one of the clinics were trained in the use of a clinical practice guideline based on Staged Diabetes Management. A problem-based learning educational program was instituted to reach consensus on a stepped intensification scheme for glycemic control and to determine the standards of care used in the clinic. HbA1c was obtained at baseline and at 9 and 15 months after enrollment. RESULTS: At 9 months, there was a mean -0.90% within-subject change in HbA1c in the intervention group, with no significant changes in the control group. The 15-month mean within-subject change in HbA1c of -0.62% in the intervention group was also significant. Among intervention patients, those with the poorest glycemic control at baseline realized the greatest benefit in improvement of HbA1c. The intervention group also exhibited significant changes in physician adherence with American Diabetes Association standards of care. CONCLUSIONS: Clinical practice guidelines are an effective way of improving the processes and outcomes of care for patients with diabetes. Problem-based learning is a useful strategy to gain physician support for clinical practice guidelines. More intensive interventions are needed to maintain treatment gains.
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