Abstract
We have developed a Pressure Ulcer Prevention and Management System to assist clinicians with patient-specific decision making. The system captures coded data about assessment, diagnosis and interventions using a point-and-click interface. Guideline-based knowledge is imbedded into the system, and is accessible in several ways: 1) via hypertext links from the data entry screens; 2) via explicit entry into an indexed version of the guideline; 3) via imbedded knowledge-based rules that critique the diagnosis and offer guidance for treatment; and 4) via explicit entry into interactive algorithms. The system has been implemented experimentally on one care unit at our hospital, where its impact will be assessed in comparison with a control unit. Preliminary usage data are provided. Issues with rendering guideline material useful for patient-specific decision support are discussed. In our setting, these issues had to do with a) incongruity with local standards; b) insufficient specificity; and 3) insufficient comprehensiveness. Issues of use and dissemination in the context of today's health care environment are also addressed.
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