Who needs evidence-based health care?

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RESUMO

The vast amount of published material in clinical and biomedical sciences, and conflicting results on diagnostic and therapeutic procedures may introduce doubts in decision-making for patient care. Information retrieving skills and the critical appraisal of published literature, together with elaboration of practice guidelines based on epidemiological methodology, form the basis of the trend towards evidence-based health care, which aims to overcome these problems. A survey conducted by questionnaire at the Chaim Sheba Medical Center analyzed which types of information sources are considered most relevant and useful for patient care by a cross-section of physicians with varying degrees of experience. They considered review articles and meta-analyses extremely reliable for information purposes, while for practical patient-care purposes they tended to rely more on the opinions of peers and experts. As the requirements of evidence-based health care may influence the attitudes of clinicians to the published literature and its evaluation, they have implications for medical libraries and information centers. Specifically, information specialists will be called upon more and more to impart information-retrieval and critical appraisal skills to clinicians. The involvement of information specialists in information gathering and selection will provide added value to the expertise and knowledge of in-house experts for decision-making.

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