• A H Morris, E Hirshberg, and K A Sward.
• Pulmonary and Critical Care Divisions, Departments of Medicine, LDS Hospital, Intermountain Medical Center, University of Utah School of Medicine, Salt Lake City, UT USA. alan.morris@imail.org
• Best Pract Res Clin Anaesthesiol. 2009 Mar 1; 23 (1): 51-67.

AbstractVariation in clinical practice impedes control, is associated with unwanted and widespread error, and may preclude replicability. Methodologic replicability enhances our ability to detect signals of interest by both increasing the signal through consistent application of the intervention, and by reducing the obscuring effects of noise. Decision-support tools are intended to standardize some aspect of clinical care and thereby help lead to uniform implementation of clinical interventions. This is realized by explicit replicable computer protocols that can produce appropriate patient-specific decisions and introduce control of process into clinical care. Development of such protocols has required around-the-clock implementation for patient management because of the influence of patient history and previous patient states on the output of the computer protocol. Three successful computer protocols for management of blood glucose provide compelling examples. This clinician driven "bottom-up" approach complements the common information technology service driven "top-down" approach to clinical problems.

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