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  • A computer based decision support system and risk chart did not reduce cardiovascular risk or blood pressure in hypertension

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Therapeutics
A computer based decision support system and risk chart did not reduce cardiovascular risk or blood pressure in hypertension

https://doi.org/10.1136/ebm.6.1.9

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    (2000) BMJ 320, 686; Montgomery AA, Fahey T, Peters TJ. , et al.. Evaluation of computer based clinical decision support system and risk chart for management of hypertension in primary care: randomised controlled trial.. Mar 11;. :. –90. .
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 Question In patients with hypertension, do a computer based clinical decision support system (CDSS) and a cardiovascular risk chart help to reduce absolute cardiovascular risk and blood pressure?

    Design

    Cluster randomised (allocation concealed*), unblinded,* controlled trial with 1 year follow up.

    Setting

    27 general practices in Avon, UK.

    Patients

    614 patients who were 60–80 years of age (mean age 71 y, 54% women), had a diagnosis of hypertension, and were prescribed antihypertensive drugs in the previous year. Follow up was 86% at 1 year.

    Intervention

    General practices were allocated to a CDSS plus a risk chart (10 practices, 229 patients); a risk chart only (10 practices, 228 patients); or usual care (7 practices, 157 patients). The CDSS required patient information to …

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    Footnotes

    • Source of funding: NHS Wales Office of Research and Development.

    • For correspondence: Dr T Fahey, Division of Primary Health Care, University of Bristol, Bristol BS8 2PR, England, UK. Fax +44 (0)117 928 7340.

    • ↵* See glossary.