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  • Title: Modifying dyspepsia management in primary care: a cluster randomised controlled trial of educational outreach compared with passive guideline dissemination.
    Author: Banait G, Sibbald B, Thompson D, Summerton C, Hann M, Talbot S, Salford and Trafford Ulcer Research Network.
    Journal: Br J Gen Pract; 2003 Feb; 53(487):94-100. PubMed ID: 12817353.
    Abstract:
    BACKGROUND: Quality improvement initiatives in health services rely upon the effective introduction of clinical practice guidelines. However, even well constructed guidelines have little effect unless supported by dissemination and implementation strategies. AIM: To test the effectiveness of 'educational outreach' as a strategy for facilitating the uptake of dyspepsia management guidelines in primary care. DESIGN OF STUDY: A pragmatic, cluster-randomised controlled trial of guideline introduction, comparing educational outreach with postal guideline dissemination alone. SETTING: One-hundred and fourteen general practices (233 general practitioners) in the Salford and Trafford Health authority catchment area in the northwest of England. METHOD: All practices received guidelines by post in July 1997. The intervention group practices began to receive educational outreach three months later. This consisted of practice-based seminars with hospital specialists at which guideline recommendations were appraised, and implementation plans formulated. Seminars were followed up with 'reinforcement' visits after a further 12 weeks. Outcome measures were: (a) the appropriateness of referral for; and (b) findings at, open access upper gastrointestinal endoscopy; (c) costs of GP prescriptions for acid-suppressing drugs, and (d) the use of laboratory-based serological tests for Helicobacter pylori. Data were collected for seven months before and/or after the intervention and analysed by intention-to-treat. RESULTS: (a) The proportion of appropriate referrals was higher in the intervention group in the six-month post-intervention period (practice medians: control = 50.0%, intervention = 63.9%, P < 0.05); (b) the proportion of major findings at endoscopy did not alter significantly; (c) there was a greater rise in overall expenditure on acid-suppressing drugs in the intervention as compared with the control group (+8% versus +2%, P = 0.005); and (d) the median testing rate per practice for H pylori in the post-intervention period was significantly greater in the intervention group (four versus O, P < 0.001). CONCLUSION: This study suggests that educational outreach may be more effective than passive guideline dissemination in changing clinical behaviour. It also demonstrates that unpredictable and unanticipated outcomes may emerge.
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