Summary
Evidence-based medicine is a process approach to secure a standardized and optimal medical intervention for a given disease state based on a certain methodology. The results of evidence-based medicine activities are usually expressed as clinical practice guidelines (CPGs). CPGs should be evaluated at three different levels: the validity in selecting the disease, the validity of the CPG development process, and the impact of CPGs on medicine. Validity in selecting the disease means that it is justified to invest resources to develop the CPG for the disease. The disease will be prioritized and it will be regarded as worth investing resources to develop the CPG for the disease if: medical interventions by physicians vary, a new effective medical intervention that has been developed is not used widely, the disease affects many patients or has high costs of treatment, or the disease imposes a high risk on patients. A CPG should be developed by proper processes, and validated by other persons later. Validity, reliability and reproducibility, clinical applicability, clinical flexibility, clarity, a multidisciplinary process, scheduled review, and documentation are required for good CPGs. CPGs can change two criteria for evaluating the quality of health care, process and outcome, in two directions: standardization and improvement. Showing the impact of CPGs takes a great effort and is difficult to do, and only limited reports are available. Evidence-based medicine is an effective tool, but it is a process approach and the impact of the process approach should be measured using a highly useful standard: the outcome.
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© 2003 The Japanese Society of Endourology and ESWL
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Hasegawa, T. (2003). Evaluation of Clinical Practice Guidelines. In: Ohshima, S., Hirao, Y. (eds) Clinical Guidelines in Urological Management. Recent Advances in Endourology, vol 4. Springer, Tokyo. https://doi.org/10.1007/978-4-431-65944-0_2
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DOI: https://doi.org/10.1007/978-4-431-65944-0_2
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