A new term, evidence-based practice, is beginning to appear both in the healthcare literature and at professional, conferences. Its meaning, however, is not always clear, nor is its full implication for nurse administrators explained. This article provides a pragmatic definition of evidence-based practice developed in the nursing division at Baystate Medical Center, Springfield, Massachusetts. It outlines steps required to institutionalize evidence as a routine part of nursing practice and provide examples of its use.
Advanced practice nurses are challenged to assess comprehensively the value of their role and the impact of their practice. Value is defined as quality divided by cost. The correlations among the structure, strategies of care (process), and their objectives (outcome) are key to the assessment of the quality of care and the impact of the advanced practice nurse's role. Advanced practice nurses are challenged to provide high quality care for a competitive or decreased cost. For the profession of nursing, outcomes are the result of interventions based on the nurse's clinical judgment and theoretical, practical, or scientific knowledge. An evaluation model is presented that comprehensively measures the impact of advanced practice nurses on patients and families, and an example is presented. Using the model will give credibility and validity to the APNs' positive impact on the quality and financial outcomes of care for each patient and for entire patient populations.
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